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<?php /** * General template tags that can go anywhere in a template. * * @package WordPress * @subpackage Template */ /** * Loads header template. * * Includes the header template for a theme or if a name is specified then a * specialized header will be included. * * For the parameter, if the file is called "header-special.php" then specify * "special". * * @since 1.5.0 * @since 5.5.0 A return value was added. * @since 5.5.0 The `$args` parameter was added. * * @param string $name The name of the specialized header. * @param array $args Optional. Additional arguments passed to the header template. * Default empty array. * @return void|false Void on success, false if the template does not exist. */ function get_header( $name = null, $args = array() ) { /** * Fires before the header template file is loaded. * * @since 2.1.0 * @since 2.8.0 The `$name` parameter was added. * @since 5.5.0 The `$args` parameter was added. * * @param string|null $name Name of the specific header file to use. Null for the default header. * @param array $args Additional arguments passed to the header template. */ do_action( 'get_header', $name, $args ); $templates = array(); $name = (string) $name; if ( '' !== $name ) { $templates[] = "header-{$name}.php"; } $templates[] = 'header.php'; if ( ! locate_template( $templates, true, true, $args ) ) { return false; } } /** * Loads footer template. * * Includes the footer template for a theme or if a name is specified then a * specialized footer will be included. * * For the parameter, if the file is called "footer-special.php" then specify * "special". * * @since 1.5.0 * @since 5.5.0 A return value was added. * @since 5.5.0 The `$args` parameter was added. * * @param string $name The name of the specialized footer. * @param array $args Optional. Additional arguments passed to the footer template. * Default empty array. * @return void|false Void on success, false if the template does not exist. */ function get_footer( $name = null, $args = array() ) { /** * Fires before the footer template file is loaded. * * @since 2.1.0 * @since 2.8.0 The `$name` parameter was added. * @since 5.5.0 The `$args` parameter was added. * * @param string|null $name Name of the specific footer file to use. Null for the default footer. * @param array $args Additional arguments passed to the footer template. */ do_action( 'get_footer', $name, $args ); $templates = array(); $name = (string) $name; if ( '' !== $name ) { $templates[] = "footer-{$name}.php"; } $templates[] = 'footer.php'; if ( ! locate_template( $templates, true, true, $args ) ) { return false; } } /** * Loads sidebar template. * * Includes the sidebar template for a theme or if a name is specified then a * specialized sidebar will be included. * * For the parameter, if the file is called "sidebar-special.php" then specify * "special". * * @since 1.5.0 * @since 5.5.0 A return value was added. * @since 5.5.0 The `$args` parameter was added. * * @param string $name The name of the specialized sidebar. * @param array $args Optional. Additional arguments passed to the sidebar template. * Default empty array. * @return void|false Void on success, false if the template does not exist. */ function get_sidebar( $name = null, $args = array() ) { /** * Fires before the sidebar template file is loaded. * * @since 2.2.0 * @since 2.8.0 The `$name` parameter was added. * @since 5.5.0 The `$args` parameter was added. * * @param string|null $name Name of the specific sidebar file to use. Null for the default sidebar. * @param array $args Additional arguments passed to the sidebar template. */ do_action( 'get_sidebar', $name, $args ); $templates = array(); $name = (string) $name; if ( '' !== $name ) { $templates[] = "sidebar-{$name}.php"; } $templates[] = 'sidebar.php'; if ( ! locate_template( $templates, true, true, $args ) ) { return false; } } /** * Loads a template part into a template. * * Provides a simple mechanism for child themes to overload reusable sections of code * in the theme. * * Includes the named template part for a theme or if a name is specified then a * specialized part will be included. If the theme contains no {slug}.php file * then no template will be included. * * The template is included using require, not require_once, so you may include the * same template part multiple times. * * For the $name parameter, if the file is called "{slug}-special.php" then specify * "special". * * @since 3.0.0 * @since 5.5.0 A return value was added. * @since 5.5.0 The `$args` parameter was added. * * @param string $slug The slug name for the generic template. * @param string|null $name Optional. The name of the specialized template. * @param array $args Optional. Additional arguments passed to the template. * Default empty array. * @return void|false Void on success, false if the template does not exist. */ function get_template_part( $slug, $name = null, $args = array() ) { /** * Fires before the specified template part file is loaded. * * The dynamic portion of the hook name, `$slug`, refers to the slug name * for the generic template part. * * @since 3.0.0 * @since 5.5.0 The `$args` parameter was added. * * @param string $slug The slug name for the generic template. * @param string|null $name The name of the specialized template or null if * there is none. * @param array $args Additional arguments passed to the template. */ do_action( "get_template_part_{$slug}", $slug, $name, $args ); $templates = array(); $name = (string) $name; if ( '' !== $name ) { $templates[] = "{$slug}-{$name}.php"; } $templates[] = "{$slug}.php"; /** * Fires before an attempt is made to locate and load a template part. * * @since 5.2.0 * @since 5.5.0 The `$args` parameter was added. * * @param string $slug The slug name for the generic template. * @param string $name The name of the specialized template or an empty * string if there is none. * @param string[] $templates Array of template files to search for, in order. * @param array $args Additional arguments passed to the template. */ do_action( 'get_template_part', $slug, $name, $templates, $args ); if ( ! locate_template( $templates, true, false, $args ) ) { return false; } } /** * Displays search form. * * Will first attempt to locate the searchform.php file in either the child or * the parent, then load it. If it doesn't exist, then the default search form * will be displayed. The default search form is HTML, which will be displayed. * There is a filter applied to the search form HTML in order to edit or replace * it. The filter is {@see 'get_search_form'}. * * This function is primarily used by themes which want to hardcode the search * form into the sidebar and also by the search widget in WordPress. * * There is also an action that is called whenever the function is run called, * {@see 'pre_get_search_form'}. This can be useful for outputting JavaScript that the * search relies on or various formatting that applies to the beginning of the * search. To give a few examples of what it can be used for. * * @since 2.7.0 * @since 5.2.0 The `$args` array parameter was added in place of an `$echo` boolean flag. * * @param array $args { * Optional. Array of display arguments. * * @type bool $echo Whether to echo or return the form. Default true. * @type string $aria_label ARIA label for the search form. Useful to distinguish * multiple search forms on the same page and improve * accessibility. Default empty. * } * @return void|string Void if 'echo' argument is true, search form HTML if 'echo' is false. */ function get_search_form( $args = array() ) { /** * Fires before the search form is retrieved, at the start of get_search_form(). * * @since 2.7.0 as 'get_search_form' action. * @since 3.6.0 * @since 5.5.0 The `$args` parameter was added. * * @link https://core.trac.wordpress.org/ticket/19321 * * @param array $args The array of arguments for building the search form. * See get_search_form() for information on accepted arguments. */ do_action( 'pre_get_search_form', $args ); $echo = true; if ( ! is_array( $args ) ) { /* * Back compat: to ensure previous uses of get_search_form() continue to * function as expected, we handle a value for the boolean $echo param removed * in 5.2.0. Then we deal with the $args array and cast its defaults. */ $echo = (bool) $args; // Set an empty array and allow default arguments to take over. $args = array(); } // Defaults are to echo and to output no custom label on the form. $defaults = array( 'echo' => $echo, 'aria_label' => '', ); $args = wp_parse_args( $args, $defaults ); /** * Filters the array of arguments used when generating the search form. * * @since 5.2.0 * * @param array $args The array of arguments for building the search form. * See get_search_form() for information on accepted arguments. */ $args = apply_filters( 'search_form_args', $args ); // Ensure that the filtered arguments contain all required default values. $args = array_merge( $defaults, $args ); $format = current_theme_supports( 'html5', 'search-form' ) ? 'html5' : 'xhtml'; /** * Filters the HTML format of the search form. * * @since 3.6.0 * @since 5.5.0 The `$args` parameter was added. * * @param string $format The type of markup to use in the search form. * Accepts 'html5', 'xhtml'. * @param array $args The array of arguments for building the search form. * See get_search_form() for information on accepted arguments. */ $format = apply_filters( 'search_form_format', $format, $args ); $search_form_template = locate_template( 'searchform.php' ); if ( '' !== $search_form_template ) { ob_start(); require $search_form_template; $form = ob_get_clean(); } else { // Build a string containing an aria-label to use for the search form. if ( $args['aria_label'] ) { $aria_label = 'aria-label="' . esc_attr( $args['aria_label'] ) . '" '; } else { /* * If there's no custom aria-label, we can set a default here. At the * moment it's empty as there's uncertainty about what the default should be. */ $aria_label = ''; } if ( 'html5' === $format ) { $form = '<form role="search" ' . $aria_label . 'method="get" class="search-form" action="' . esc_url( home_url( '/' ) ) . '"> <label> <span class="screen-reader-text">' . /* translators: Hidden accessibility text. */ _x( 'Search for:', 'label' ) . '</span> <input type="search" class="search-field" placeholder="' . esc_attr_x( 'Search …', 'placeholder' ) . '" value="' . get_search_query() . '" name="s" /> </label> <input type="submit" class="search-submit" value="' . esc_attr_x( 'Search', 'submit button' ) . '" /> </form>'; } else { $form = '<form role="search" ' . $aria_label . 'method="get" id="searchform" class="searchform" action="' . esc_url( home_url( '/' ) ) . '"> <div> <label class="screen-reader-text" for="s">' . /* translators: Hidden accessibility text. */ _x( 'Search for:', 'label' ) . '</label> <input type="text" value="' . get_search_query() . '" name="s" id="s" /> <input type="submit" id="searchsubmit" value="' . esc_attr_x( 'Search', 'submit button' ) . '" /> </div> </form>'; } } /** * Filters the HTML output of the search form. * * @since 2.7.0 * @since 5.5.0 The `$args` parameter was added. * * @param string $form The search form HTML output. * @param array $args The array of arguments for building the search form. * See get_search_form() for information on accepted arguments. */ $result = apply_filters( 'get_search_form', $form, $args ); if ( null === $result ) { $result = $form; } if ( $args['echo'] ) { echo $result; } else { return $result; } } /** * Displays the Log In/Out link. * * Displays a link, which allows users to navigate to the Log In page to log in * or log out depending on whether they are currently logged in. * * @since 1.5.0 * * @param string $redirect Optional path to redirect to on login/logout. * @param bool $display Default to echo and not return the link. * @return void|string Void if `$display` argument is true, log in/out link if `$display` is false. */ function wp_loginout( $redirect = '', $display = true ) { if ( ! is_user_logged_in() ) { $link = '<a href="' . esc_url( wp_login_url( $redirect ) ) . '">' . __( 'Log in' ) . '</a>'; } else { $link = '<a href="' . esc_url( wp_logout_url( $redirect ) ) . '">' . __( 'Log out' ) . '</a>'; } if ( $display ) { /** * Filters the HTML output for the Log In/Log Out link. * * @since 1.5.0 * * @param string $link The HTML link content. */ echo apply_filters( 'loginout', $link ); } else { /** This filter is documented in wp-includes/general-template.php */ return apply_filters( 'loginout', $link ); } } /** * Retrieves the logout URL. * * Returns the URL that allows the user to log out of the site. * * @since 2.7.0 * * @param string $redirect Path to redirect to on logout. * @return string The logout URL. Note: HTML-encoded via esc_html() in wp_nonce_url(). */ function wp_logout_url( $redirect = '' ) { $args = array(); if ( ! empty( $redirect ) ) { $args['redirect_to'] = urlencode( $redirect ); } $logout_url = add_query_arg( $args, site_url( 'wp-login.php?action=logout', 'login' ) ); $logout_url = wp_nonce_url( $logout_url, 'log-out' ); /** * Filters the logout URL. * * @since 2.8.0 * * @param string $logout_url The HTML-encoded logout URL. * @param string $redirect Path to redirect to on logout. */ return apply_filters( 'logout_url', $logout_url, $redirect ); } /** * Retrieves the login URL. * * @since 2.7.0 * * @param string $redirect Path to redirect to on log in. * @param bool $force_reauth Whether to force reauthorization, even if a cookie is present. * Default false. * @return string The login URL. Not HTML-encoded. */ function wp_login_url( $redirect = '', $force_reauth = false ) { $login_url = site_url( 'wp-login.php', 'login' ); if ( ! empty( $redirect ) ) { $login_url = add_query_arg( 'redirect_to', urlencode( $redirect ), $login_url ); } if ( $force_reauth ) { $login_url = add_query_arg( 'reauth', '1', $login_url ); } /** * Filters the login URL. * * @since 2.8.0 * @since 4.2.0 The `$force_reauth` parameter was added. * * @param string $login_url The login URL. Not HTML-encoded. * @param string $redirect The path to redirect to on login, if supplied. * @param bool $force_reauth Whether to force reauthorization, even if a cookie is present. */ return apply_filters( 'login_url', $login_url, $redirect, $force_reauth ); } /** * Returns the URL that allows the user to register on the site. * * @since 3.6.0 * * @return string User registration URL. */ function wp_registration_url() { /** * Filters the user registration URL. * * @since 3.6.0 * * @param string $register The user registration URL. */ return apply_filters( 'register_url', site_url( 'wp-login.php?action=register', 'login' ) ); } /** * Provides a simple login form for use anywhere within WordPress. * * The login form HTML is echoed by default. Pass a false value for `$echo` to return it instead. * * @since 3.0.0 * @since 6.6.0 Added `required_username` and `required_password` arguments. * * @param array $args { * Optional. Array of options to control the form output. Default empty array. * * @type bool $echo Whether to display the login form or return the form HTML code. * Default true (echo). * @type string $redirect URL to redirect to. Must be absolute, as in "https://example.com/mypage/". * Default is to redirect back to the request URI. * @type string $form_id ID attribute value for the form. Default 'loginform'. * @type string $label_username Label for the username or email address field. Default 'Username or Email Address'. * @type string $label_password Label for the password field. Default 'Password'. * @type string $label_remember Label for the remember field. Default 'Remember Me'. * @type string $label_log_in Label for the submit button. Default 'Log In'. * @type string $id_username ID attribute value for the username field. Default 'user_login'. * @type string $id_password ID attribute value for the password field. Default 'user_pass'. * @type string $id_remember ID attribute value for the remember field. Default 'rememberme'. * @type string $id_submit ID attribute value for the submit button. Default 'wp-submit'. * @type bool $remember Whether to display the "rememberme" checkbox in the form. * @type string $value_username Default value for the username field. Default empty. * @type bool $value_remember Whether the "Remember Me" checkbox should be checked by default. * Default false (unchecked). * @type bool $required_username Whether the username field has the 'required' attribute. * Default false. * @type bool $required_password Whether the password field has the 'required' attribute. * Default false. * * } * @return void|string Void if 'echo' argument is true, login form HTML if 'echo' is false. */ function wp_login_form( $args = array() ) { $defaults = array( 'echo' => true, // Default 'redirect' value takes the user back to the request URI. 'redirect' => ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'], 'form_id' => 'loginform', 'label_username' => __( 'Username or Email Address' ), 'label_password' => __( 'Password' ), 'label_remember' => __( 'Remember Me' ), 'label_log_in' => __( 'Log In' ), 'id_username' => 'user_login', 'id_password' => 'user_pass', 'id_remember' => 'rememberme', 'id_submit' => 'wp-submit', 'remember' => true, 'value_username' => '', // Set 'value_remember' to true to default the "Remember me" checkbox to checked. 'value_remember' => false, // Set 'required_username' to true to add the required attribute to username field. 'required_username' => false, // Set 'required_password' to true to add the required attribute to password field. 'required_password' => false, ); /** * Filters the default login form output arguments. * * @since 3.0.0 * * @see wp_login_form() * * @param array $defaults An array of default login form arguments. */ $args = wp_parse_args( $args, apply_filters( 'login_form_defaults', $defaults ) ); /** * Filters content to display at the top of the login form. * * The filter evaluates just following the opening form tag element. * * @since 3.0.0 * * @param string $content Content to display. Default empty. * @param array $args Array of login form arguments. */ $login_form_top = apply_filters( 'login_form_top', '', $args ); /** * Filters content to display in the middle of the login form. * * The filter evaluates just following the location where the 'login-password' * field is displayed. * * @since 3.0.0 * * @param string $content Content to display. Default empty. * @param array $args Array of login form arguments. */ $login_form_middle = apply_filters( 'login_form_middle', '', $args ); /** * Filters content to display at the bottom of the login form. * * The filter evaluates just preceding the closing form tag element. * * @since 3.0.0 * * @param string $content Content to display. Default empty. * @param array $args Array of login form arguments. */ $login_form_bottom = apply_filters( 'login_form_bottom', '', $args ); $form = sprintf( '<form name="%1$s" id="%1$s" action="%2$s" method="post">', esc_attr( $args['form_id'] ), esc_url( site_url( 'wp-login.php', 'login_post' ) ) ) . $login_form_top . sprintf( '<p class="login-username"> <label for="%1$s">%2$s</label> <input type="text" name="log" id="%1$s" autocomplete="username" class="input" value="%3$s" size="20"%4$s /> </p>', esc_attr( $args['id_username'] ), esc_html( $args['label_username'] ), esc_attr( $args['value_username'] ), ( $args['required_username'] ? ' required="required"' : '' ) ) . sprintf( '<p class="login-password"> <label for="%1$s">%2$s</label> <input type="password" name="pwd" id="%1$s" autocomplete="current-password" spellcheck="false" class="input" value="" size="20"%3$s /> </p>', esc_attr( $args['id_password'] ), esc_html( $args['label_password'] ), ( $args['required_password'] ? ' required="required"' : '' ) ) . $login_form_middle . ( $args['remember'] ? sprintf( '<p class="login-remember"><label><input name="rememberme" type="checkbox" id="%1$s" value="forever"%2$s /> %3$s</label></p>', esc_attr( $args['id_remember'] ), ( $args['value_remember'] ? ' checked="checked"' : '' ), esc_html( $args['label_remember'] ) ) : '' ) . sprintf( '<p class="login-submit"> <input type="submit" name="wp-submit" id="%1$s" class="button button-primary" value="%2$s" /> <input type="hidden" name="redirect_to" value="%3$s" /> </p>', esc_attr( $args['id_submit'] ), esc_attr( $args['label_log_in'] ), esc_url( $args['redirect'] ) ) . $login_form_bottom . '</form>'; if ( $args['echo'] ) { echo $form; } else { return $form; } } /** * Returns the URL that allows the user to reset the lost password. * * @since 2.8.0 * * @param string $redirect Path to redirect to on login. * @return string Lost password URL. */ function wp_lostpassword_url( $redirect = '' ) { $args = array( 'action' => 'lostpassword', ); if ( ! empty( $redirect ) ) { $args['redirect_to'] = urlencode( $redirect ); } if ( is_multisite() ) { $blog_details = get_site(); $wp_login_path = $blog_details->path . 'wp-login.php'; } else { $wp_login_path = 'wp-login.php'; } $lostpassword_url = add_query_arg( $args, network_site_url( $wp_login_path, 'login' ) ); /** * Filters the Lost Password URL. * * @since 2.8.0 * * @param string $lostpassword_url The lost password page URL. * @param string $redirect The path to redirect to on login. */ return apply_filters( 'lostpassword_url', $lostpassword_url, $redirect ); } /** * Displays the Registration or Admin link. * * Display a link which allows the user to navigate to the registration page if * not logged in and registration is enabled or to the dashboard if logged in. * * @since 1.5.0 * * @param string $before Text to output before the link. Default `<li>`. * @param string $after Text to output after the link. Default `</li>`. * @param bool $display Default to echo and not return the link. * @return void|string Void if `$display` argument is true, registration or admin link * if `$display` is false. */ function wp_register( $before = '<li>', $after = '</li>', $display = true ) { if ( ! is_user_logged_in() ) { if ( get_option( 'users_can_register' ) ) { $link = $before . '<a href="' . esc_url( wp_registration_url() ) . '">' . __( 'Register' ) . '</a>' . $after; } else { $link = ''; } } elseif ( current_user_can( 'read' ) ) { $link = $before . '<a href="' . admin_url() . '">' . __( 'Site Admin' ) . '</a>' . $after; } else { $link = ''; } /** * Filters the HTML link to the Registration or Admin page. * * Users are sent to the admin page if logged-in, or the registration page * if enabled and logged-out. * * @since 1.5.0 * * @param string $link The HTML code for the link to the Registration or Admin page. */ $link = apply_filters( 'register', $link ); if ( $display ) { echo $link; } else { return $link; } } /** * Theme container function for the 'wp_meta' action. * * The {@see 'wp_meta'} action can have several purposes, depending on how you use it, * but one purpose might have been to allow for theme switching. * * @since 1.5.0 * * @link https://core.trac.wordpress.org/ticket/1458 Explanation of 'wp_meta' action. */ function wp_meta() { /** * Fires before displaying echoed content in the sidebar. * * @since 1.5.0 */ do_action( 'wp_meta' ); } /** * Displays information about the current site. * * @since 0.71 * * @see get_bloginfo() For possible `$show` values * * @param string $show Optional. Site information to display. Default empty. */ function bloginfo( $show = '' ) { echo get_bloginfo( $show, 'display' ); } /** * Retrieves information about the current site. * * Possible values for `$show` include: * * - 'name' - Site title (set in Settings > General) * - 'description' - Site tagline (set in Settings > General) * - 'wpurl' - The WordPress address (URL) (set in Settings > General) * - 'url' - The Site address (URL) (set in Settings > General) * - 'admin_email' - Admin email (set in Settings > General) * - 'charset' - The "Encoding for pages and feeds" (set in Settings > Reading) * - 'version' - The current WordPress version * - 'html_type' - The Content-Type (default: "text/html"). Themes and plugins * can override the default value using the {@see 'pre_option_html_type'} filter * - 'text_direction' - The text direction determined by the site's language. is_rtl() * should be used instead * - 'language' - Language code for the current site * - 'stylesheet_url' - URL to the stylesheet for the active theme. An active child theme * will take precedence over this value * - 'stylesheet_directory' - Directory path for the active theme. An active child theme * will take precedence over this value * - 'template_url' / 'template_directory' - URL of the active theme's directory. An active * child theme will NOT take precedence over this value * - 'pingback_url' - The pingback XML-RPC file URL (xmlrpc.php) * - 'atom_url' - The Atom feed URL (/feed/atom) * - 'rdf_url' - The RDF/RSS 1.0 feed URL (/feed/rdf) * - 'rss_url' - The RSS 0.92 feed URL (/feed/rss) * - 'rss2_url' - The RSS 2.0 feed URL (/feed) * - 'comments_atom_url' - The comments Atom feed URL (/comments/feed) * - 'comments_rss2_url' - The comments RSS 2.0 feed URL (/comments/feed) * * Some `$show` values are deprecated and will be removed in future versions. * These options will trigger the _deprecated_argument() function. * * Deprecated arguments include: * * - 'siteurl' - Use 'url' instead * - 'home' - Use 'url' instead * * @since 0.71 * * @global string $wp_version The WordPress version string. * * @param string $show Optional. Site info to retrieve. Default empty (site name). * @param string $filter Optional. How to filter what is retrieved. Default 'raw'. * @return string Mostly string values, might be empty. */ function get_bloginfo( $show = '', $filter = 'raw' ) { switch ( $show ) { case 'home': // Deprecated. case 'siteurl': // Deprecated. _deprecated_argument( __FUNCTION__, '2.2.0', sprintf( /* translators: 1: 'siteurl'/'home' argument, 2: bloginfo() function name, 3: 'url' argument. */ __( 'The %1$s option is deprecated for the family of %2$s functions. Use the %3$s option instead.' ), '<code>' . $show . '</code>', '<code>bloginfo()</code>', '<code>url</code>' ) ); // Intentional fall-through to be handled by the 'url' case. case 'url': $output = home_url(); break; case 'wpurl': $output = site_url(); break; case 'description': $output = get_option( 'blogdescription' ); break; case 'rdf_url': $output = get_feed_link( 'rdf' ); break; case 'rss_url': $output = get_feed_link( 'rss' ); break; case 'rss2_url': $output = get_feed_link( 'rss2' ); break; case 'atom_url': $output = get_feed_link( 'atom' ); break; case 'comments_atom_url': $output = get_feed_link( 'comments_atom' ); break; case 'comments_rss2_url': $output = get_feed_link( 'comments_rss2' ); break; case 'pingback_url': $output = site_url( 'xmlrpc.php' ); break; case 'stylesheet_url': $output = get_stylesheet_uri(); break; case 'stylesheet_directory': $output = get_stylesheet_directory_uri(); break; case 'template_directory': case 'template_url': $output = get_template_directory_uri(); break; case 'admin_email': $output = get_option( 'admin_email' ); break; case 'charset': $output = get_option( 'blog_charset' ); if ( '' === $output ) { $output = 'UTF-8'; } break; case 'html_type': $output = get_option( 'html_type' ); break; case 'version': global $wp_version; $output = $wp_version; break; case 'language': /* * translators: Translate this to the correct language tag for your locale, * see https://www.w3.org/International/articles/language-tags/ for reference. * Do not translate into your own language. */ $output = __( 'html_lang_attribute' ); if ( 'html_lang_attribute' === $output || preg_match( '/[^a-zA-Z0-9-]/', $output ) ) { $output = determine_locale(); $output = str_replace( '_', '-', $output ); } break; case 'text_direction': _deprecated_argument( __FUNCTION__, '2.2.0', sprintf( /* translators: 1: 'text_direction' argument, 2: bloginfo() function name, 3: is_rtl() function name. */ __( 'The %1$s option is deprecated for the family of %2$s functions. Use the %3$s function instead.' ), '<code>' . $show . '</code>', '<code>bloginfo()</code>', '<code>is_rtl()</code>' ) ); if ( function_exists( 'is_rtl' ) ) { $output = is_rtl() ? 'rtl' : 'ltr'; } else { $output = 'ltr'; } break; case 'name': default: $output = get_option( 'blogname' ); break; } if ( 'display' === $filter ) { if ( str_contains( $show, 'url' ) || str_contains( $show, 'directory' ) || str_contains( $show, 'home' ) ) { /** * Filters the URL returned by get_bloginfo(). * * @since 2.0.5 * * @param string $output The URL returned by bloginfo(). * @param string $show Type of information requested. */ $output = apply_filters( 'bloginfo_url', $output, $show ); } else { /** * Filters the site information returned by get_bloginfo(). * * @since 0.71 * * @param mixed $output The requested non-URL site information. * @param string $show Type of information requested. */ $output = apply_filters( 'bloginfo', $output, $show ); } } return $output; } /** * Returns the Site Icon URL. * * @since 4.3.0 * * @param int $size Optional. Size of the site icon. Default 512 (pixels). * @param string $url Optional. Fallback url if no site icon is found. Default empty. * @param int $blog_id Optional. ID of the blog to get the site icon for. Default current blog. * @return string Site Icon URL. */ function get_site_icon_url( $size = 512, $url = '', $blog_id = 0 ) { $switched_blog = false; if ( is_multisite() && ! empty( $blog_id ) && get_current_blog_id() !== (int) $blog_id ) { switch_to_blog( $blog_id ); $switched_blog = true; } $site_icon_id = (int) get_option( 'site_icon' ); if ( $site_icon_id ) { if ( $size >= 512 ) { $size_data = 'full'; } else { $size_data = array( $size, $size ); } $url = wp_get_attachment_image_url( $site_icon_id, $size_data ); } if ( $switched_blog ) { restore_current_blog(); } /** * Filters the site icon URL. * * @since 4.4.0 * * @param string $url Site icon URL. * @param int $size Size of the site icon. * @param int $blog_id ID of the blog to get the site icon for. */ return apply_filters( 'get_site_icon_url', $url, $size, $blog_id ); } /** * Displays the Site Icon URL. * * @since 4.3.0 * * @param int $size Optional. Size of the site icon. Default 512 (pixels). * @param string $url Optional. Fallback url if no site icon is found. Default empty. * @param int $blog_id Optional. ID of the blog to get the site icon for. Default current blog. */ function site_icon_url( $size = 512, $url = '', $blog_id = 0 ) { echo esc_url( get_site_icon_url( $size, $url, $blog_id ) ); } /** * Determines whether the site has a Site Icon. * * @since 4.3.0 * * @param int $blog_id Optional. ID of the blog in question. Default current blog. * @return bool Whether the site has a site icon or not. */ function has_site_icon( $blog_id = 0 ) { return (bool) get_site_icon_url( 512, '', $blog_id ); } /** * Determines whether the site has a custom logo. * * @since 4.5.0 * * @param int $blog_id Optional. ID of the blog in question. Default is the ID of the current blog. * @return bool Whether the site has a custom logo or not. */ function has_custom_logo( $blog_id = 0 ) { $switched_blog = false; if ( is_multisite() && ! empty( $blog_id ) && get_current_blog_id() !== (int) $blog_id ) { switch_to_blog( $blog_id ); $switched_blog = true; } $custom_logo_id = get_theme_mod( 'custom_logo' ); $is_image = ( $custom_logo_id ) ? wp_attachment_is_image( $custom_logo_id ) : false; if ( $switched_blog ) { restore_current_blog(); } return $is_image; } /** * Returns a custom logo, linked to home unless the theme supports removing the link on the home page. * * @since 4.5.0 * @since 5.5.0 Added option to remove the link on the home page with `unlink-homepage-logo` theme support * for the `custom-logo` theme feature. * @since 5.5.1 Disabled lazy-loading by default. * * @param int $blog_id Optional. ID of the blog in question. Default is the ID of the current blog. * @return string Custom logo markup. */ function get_custom_logo( $blog_id = 0 ) { $html = ''; $switched_blog = false; if ( is_multisite() && ! empty( $blog_id ) && get_current_blog_id() !== (int) $blog_id ) { switch_to_blog( $blog_id ); $switched_blog = true; } // We have a logo. Logo is go. if ( has_custom_logo() ) { $custom_logo_id = get_theme_mod( 'custom_logo' ); $custom_logo_attr = array( 'class' => 'custom-logo', 'loading' => false, ); $unlink_homepage_logo = (bool) get_theme_support( 'custom-logo', 'unlink-homepage-logo' ); if ( $unlink_homepage_logo && is_front_page() && ! is_paged() ) { /* * If on the home page, set the logo alt attribute to an empty string, * as the image is decorative and doesn't need its purpose to be described. */ $custom_logo_attr['alt'] = ''; } else { /* * If the logo alt attribute is empty, get the site title and explicitly pass it * to the attributes used by wp_get_attachment_image(). */ $image_alt = get_post_meta( $custom_logo_id, '_wp_attachment_image_alt', true ); if ( empty( $image_alt ) ) { $custom_logo_attr['alt'] = get_bloginfo( 'name', 'display' ); } } /** * Filters the list of custom logo image attributes. * * @since 5.5.0 * * @param array $custom_logo_attr Custom logo image attributes. * @param int $custom_logo_id Custom logo attachment ID. * @param int $blog_id ID of the blog to get the custom logo for. */ $custom_logo_attr = apply_filters( 'get_custom_logo_image_attributes', $custom_logo_attr, $custom_logo_id, $blog_id ); /* * If the alt attribute is not empty, there's no need to explicitly pass it * because wp_get_attachment_image() already adds the alt attribute. */ $image = wp_get_attachment_image( $custom_logo_id, 'full', false, $custom_logo_attr ); // Check that we have a proper HTML img element. if ( $image ) { if ( $unlink_homepage_logo && is_front_page() && ! is_paged() ) { // If on the home page, don't link the logo to home. $html = sprintf( '<span class="custom-logo-link">%1$s</span>', $image ); } else { $aria_current = is_front_page() && ! is_paged() ? ' aria-current="page"' : ''; $html = sprintf( '<a href="%1$s" class="custom-logo-link" rel="home"%2$s>%3$s</a>', esc_url( home_url( '/' ) ), $aria_current, $image ); } } } elseif ( is_customize_preview() ) { // If no logo is set but we're in the Customizer, leave a placeholder (needed for the live preview). $html = sprintf( '<a href="%1$s" class="custom-logo-link" style="display:none;"><img class="custom-logo" alt="" /></a>', esc_url( home_url( '/' ) ) ); } if ( $switched_blog ) { restore_current_blog(); } /** * Filters the custom logo output. * * @since 4.5.0 * @since 4.6.0 Added the `$blog_id` parameter. * * @param string $html Custom logo HTML output. * @param int $blog_id ID of the blog to get the custom logo for. */ return apply_filters( 'get_custom_logo', $html, $blog_id ); } /** * Displays a custom logo, linked to home unless the theme supports removing the link on the home page. * * @since 4.5.0 * * @param int $blog_id Optional. ID of the blog in question. Default is the ID of the current blog. */ function the_custom_logo( $blog_id = 0 ) { echo get_custom_logo( $blog_id ); } /** * Returns document title for the current page. * * @since 4.4.0 * * @global int $page Page number of a single post. * @global int $paged Page number of a list of posts. * * @return string Tag with the document title. */ function wp_get_document_title() { /** * Filters the document title before it is generated. * * Passing a non-empty value will short-circuit wp_get_document_title(), * returning that value instead. * * @since 4.4.0 * * @param string $title The document title. Default empty string. */ $title = apply_filters( 'pre_get_document_title', '' ); if ( ! empty( $title ) ) { return $title; } global $page, $paged; $title = array( 'title' => '', ); // If it's a 404 page, use a "Page not found" title. if ( is_404() ) { $title['title'] = __( 'Page not found' ); // If it's a search, use a dynamic search results title. } elseif ( is_search() ) { /* translators: %s: Search query. */ $title['title'] = sprintf( __( 'Search Results for “%s”' ), get_search_query() ); // If on the front page, use the site title. } elseif ( is_front_page() ) { $title['title'] = get_bloginfo( 'name', 'display' ); // If on a post type archive, use the post type archive title. } elseif ( is_post_type_archive() ) { $title['title'] = post_type_archive_title( '', false ); // If on a taxonomy archive, use the term title. } elseif ( is_tax() ) { $title['title'] = single_term_title( '', false ); /* * If we're on the blog page that is not the homepage * or a single post of any post type, use the post title. */ } elseif ( is_home() || is_singular() ) { $title['title'] = single_post_title( '', false ); // If on a category or tag archive, use the term title. } elseif ( is_category() || is_tag() ) { $title['title'] = single_term_title( '', false ); // If on an author archive, use the author's display name. } elseif ( is_author() && get_queried_object() ) { $author = get_queried_object(); $title['title'] = $author->display_name; // If it's a date archive, use the date as the title. } elseif ( is_year() ) { $title['title'] = get_the_date( _x( 'Y', 'yearly archives date format' ) ); } elseif ( is_month() ) { $title['title'] = get_the_date( _x( 'F Y', 'monthly archives date format' ) ); } elseif ( is_day() ) { $title['title'] = get_the_date(); } // Add a page number if necessary. if ( ( $paged >= 2 || $page >= 2 ) && ! is_404() ) { /* translators: %s: Page number. */ $title['page'] = sprintf( __( 'Page %s' ), max( $paged, $page ) ); } // Append the description or site title to give context. if ( is_front_page() ) { $title['tagline'] = get_bloginfo( 'description', 'display' ); } else { $title['site'] = get_bloginfo( 'name', 'display' ); } /** * Filters the separator for the document title. * * @since 4.4.0 * * @param string $sep Document title separator. Default '-'. */ $sep = apply_filters( 'document_title_separator', '-' ); /** * Filters the parts of the document title. * * @since 4.4.0 * * @param array $title { * The document title parts. * * @type string $title Title of the viewed page. * @type string $page Optional. Page number if paginated. * @type string $tagline Optional. Site description when on home page. * @type string $site Optional. Site title when not on home page. * } */ $title = apply_filters( 'document_title_parts', $title ); $title = implode( " $sep ", array_filter( $title ) ); /** * Filters the document title. * * @since 5.8.0 * * @param string $title Document title. */ $title = apply_filters( 'document_title', $title ); return $title; } /** * Displays title tag with content. * * @since 4.1.0 * @since 4.4.0 Improved title output replaced `wp_title()`. * @access private */ function _wp_render_title_tag() { if ( ! current_theme_supports( 'title-tag' ) ) { return; } echo '<title>' . wp_get_document_title() . '</title>' . "\n"; } /** * Displays or retrieves page title for all areas of blog. * * By default, the page title will display the separator before the page title, * so that the blog title will be before the page title. This is not good for * title display, since the blog title shows up on most tabs and not what is * important, which is the page that the user is looking at. * * There are also SEO benefits to having the blog title after or to the 'right' * of the page title. However, it is mostly common sense to have the blog title * to the right with most browsers supporting tabs. You can achieve this by * using the seplocation parameter and setting the value to 'right'. This change * was introduced around 2.5.0, in case backward compatibility of themes is * important. * * @since 1.0.0 * * @global WP_Locale $wp_locale WordPress date and time locale object. * * @param string $sep Optional. How to separate the various items within the page title. * Default '»'. * @param bool $display Optional. Whether to display or retrieve title. Default true. * @param string $seplocation Optional. Location of the separator (either 'left' or 'right'). * @return string|void String when `$display` is false, nothing otherwise. */ function wp_title( $sep = '»', $display = true, $seplocation = '' ) { global $wp_locale; $m = get_query_var( 'm' ); $year = get_query_var( 'year' ); $monthnum = get_query_var( 'monthnum' ); $day = get_query_var( 'day' ); $search = get_query_var( 's' ); $title = ''; $t_sep = '%WP_TITLE_SEP%'; // Temporary separator, for accurate flipping, if necessary. // If there is a post. if ( is_single() || ( is_home() && ! is_front_page() ) || ( is_page() && ! is_front_page() ) ) { $title = single_post_title( '', false ); } // If there's a post type archive. if ( is_post_type_archive() ) { $post_type = get_query_var( 'post_type' ); if ( is_array( $post_type ) ) { $post_type = reset( $post_type ); } $post_type_object = get_post_type_object( $post_type ); if ( ! $post_type_object->has_archive ) { $title = post_type_archive_title( '', false ); } } // If there's a category or tag. if ( is_category() || is_tag() ) { $title = single_term_title( '', false ); } // If there's a taxonomy. if ( is_tax() ) { $term = get_queried_object(); if ( $term ) { $tax = get_taxonomy( $term->taxonomy ); $title = single_term_title( $tax->labels->name . $t_sep, false ); } } // If there's an author. if ( is_author() && ! is_post_type_archive() ) { $author = get_queried_object(); if ( $author ) { $title = $author->display_name; } } // Post type archives with has_archive should override terms. if ( is_post_type_archive() && $post_type_object->has_archive ) { $title = post_type_archive_title( '', false ); } // If there's a month. if ( is_archive() && ! empty( $m ) ) { $my_year = substr( $m, 0, 4 ); $my_month = substr( $m, 4, 2 ); $my_day = (int) substr( $m, 6, 2 ); $title = $my_year . ( $my_month ? $t_sep . $wp_locale->get_month( $my_month ) : '' ) . ( $my_day ? $t_sep . $my_day : '' ); } // If there's a year. if ( is_archive() && ! empty( $year ) ) { $title = $year; if ( ! empty( $monthnum ) ) { $title .= $t_sep . $wp_locale->get_month( $monthnum ); } if ( ! empty( $day ) ) { $title .= $t_sep . zeroise( $day, 2 ); } } // If it's a search. if ( is_search() ) { /* translators: 1: Separator, 2: Search query. */ $title = sprintf( __( 'Search Results %1$s %2$s' ), $t_sep, strip_tags( $search ) ); } // If it's a 404 page. if ( is_404() ) { $title = __( 'Page not found' ); } $prefix = ''; if ( ! empty( $title ) ) { $prefix = " $sep "; } /** * Filters the parts of the page title. * * @since 4.0.0 * * @param string[] $title_array Array of parts of the page title. */ $title_array = apply_filters( 'wp_title_parts', explode( $t_sep, $title ) ); // Determines position of the separator and direction of the breadcrumb. if ( 'right' === $seplocation ) { // Separator on right, so reverse the order. $title_array = array_reverse( $title_array ); $title = implode( " $sep ", $title_array ) . $prefix; } else { $title = $prefix . implode( " $sep ", $title_array ); } /** * Filters the text of the page title. * * @since 2.0.0 * * @param string $title Page title. * @param string $sep Title separator. * @param string $seplocation Location of the separator (either 'left' or 'right'). */ $title = apply_filters( 'wp_title', $title, $sep, $seplocation ); // Send it out. if ( $display ) { echo $title; } else { return $title; } } /** * Displays or retrieves page title for post. * * This is optimized for single.php template file for displaying the post title. * * It does not support placing the separator after the title, but by leaving the * prefix parameter empty, you can set the title separator manually. The prefix * does not automatically place a space between the prefix, so if there should * be a space, the parameter value will need to have it at the end. * * @since 0.71 * * @param string $prefix Optional. What to display before the title. * @param bool $display Optional. Whether to display or retrieve title. Default true. * @return string|void Title when retrieving. */ function single_post_title( $prefix = '', $display = true ) { $_post = get_queried_object(); if ( ! isset( $_post->post_title ) ) { return; } /** * Filters the page title for a single post. * * @since 0.71 * * @param string $_post_title The single post page title. * @param WP_Post $_post The current post. */ $title = apply_filters( 'single_post_title', $_post->post_title, $_post ); if ( $display ) { echo $prefix . $title; } else { return $prefix . $title; } } /** * Displays or retrieves title for a post type archive. * * This is optimized for archive.php and archive-{$post_type}.php template files * for displaying the title of the post type. * * @since 3.1.0 * * @param string $prefix Optional. What to display before the title. * @param bool $display Optional. Whether to display or retrieve title. Default true. * @return string|void Title when retrieving, null when displaying or failure. */ function post_type_archive_title( $prefix = '', $display = true ) { if ( ! is_post_type_archive() ) { return; } $post_type = get_query_var( 'post_type' ); if ( is_array( $post_type ) ) { $post_type = reset( $post_type ); } $post_type_obj = get_post_type_object( $post_type ); /** * Filters the post type archive title. * * @since 3.1.0 * * @param string $post_type_name Post type 'name' label. * @param string $post_type Post type. */ $title = apply_filters( 'post_type_archive_title', $post_type_obj->labels->name, $post_type ); if ( $display ) { echo $prefix . $title; } else { return $prefix . $title; } } /** * Displays or retrieves page title for category archive. * * Useful for category template files for displaying the category page title. * The prefix does not automatically place a space between the prefix, so if * there should be a space, the parameter value will need to have it at the end. * * @since 0.71 * * @param string $prefix Optional. What to display before the title. * @param bool $display Optional. Whether to display or retrieve title. Default true. * @return string|void Title when retrieving. */ function single_cat_title( $prefix = '', $display = true ) { return single_term_title( $prefix, $display ); } /** * Displays or retrieves page title for tag post archive. * * Useful for tag template files for displaying the tag page title. The prefix * does not automatically place a space between the prefix, so if there should * be a space, the parameter value will need to have it at the end. * * @since 2.3.0 * * @param string $prefix Optional. What to display before the title. * @param bool $display Optional. Whether to display or retrieve title. Default true. * @return string|void Title when retrieving. */ function single_tag_title( $prefix = '', $display = true ) { return single_term_title( $prefix, $display ); } /** * Displays or retrieves page title for taxonomy term archive. * * Useful for taxonomy term template files for displaying the taxonomy term page title. * The prefix does not automatically place a space between the prefix, so if there should * be a space, the parameter value will need to have it at the end. * * @since 3.1.0 * * @param string $prefix Optional. What to display before the title. * @param bool $display Optional. Whether to display or retrieve title. Default true. * @return string|void Title when retrieving. */ function single_term_title( $prefix = '', $display = true ) { $term = get_queried_object(); if ( ! $term ) { return; } if ( is_category() ) { /** * Filters the category archive page title. * * @since 2.0.10 * * @param string $term_name Category name for archive being displayed. */ $term_name = apply_filters( 'single_cat_title', $term->name ); } elseif ( is_tag() ) { /** * Filters the tag archive page title. * * @since 2.3.0 * * @param string $term_name Tag name for archive being displayed. */ $term_name = apply_filters( 'single_tag_title', $term->name ); } elseif ( is_tax() ) { /** * Filters the custom taxonomy archive page title. * * @since 3.1.0 * * @param string $term_name Term name for archive being displayed. */ $term_name = apply_filters( 'single_term_title', $term->name ); } else { return; } if ( empty( $term_name ) ) { return; } if ( $display ) { echo $prefix . $term_name; } else { return $prefix . $term_name; } } /** * Displays or retrieves page title for post archive based on date. * * Useful for when the template only needs to display the month and year, * if either are available. The prefix does not automatically place a space * between the prefix, so if there should be a space, the parameter value * will need to have it at the end. * * @since 0.71 * * @global WP_Locale $wp_locale WordPress date and time locale object. * * @param string $prefix Optional. What to display before the title. * @param bool $display Optional. Whether to display or retrieve title. Default true. * @return string|false|void False if there's no valid title for the month. Title when retrieving. */ function single_month_title( $prefix = '', $display = true ) { global $wp_locale; $m = get_query_var( 'm' ); $year = get_query_var( 'year' ); $monthnum = get_query_var( 'monthnum' ); if ( ! empty( $monthnum ) && ! empty( $year ) ) { $my_year = $year; $my_month = $wp_locale->get_month( $monthnum ); } elseif ( ! empty( $m ) ) { $my_year = substr( $m, 0, 4 ); $my_month = $wp_locale->get_month( substr( $m, 4, 2 ) ); } if ( empty( $my_month ) ) { return false; } $result = $prefix . $my_month . $prefix . $my_year; if ( ! $display ) { return $result; } echo $result; } /** * Displays the archive title based on the queried object. * * @since 4.1.0 * * @see get_the_archive_title() * * @param string $before Optional. Content to prepend to the title. Default empty. * @param string $after Optional. Content to append to the title. Default empty. */ function the_archive_title( $before = '', $after = '' ) { $title = get_the_archive_title(); if ( ! empty( $title ) ) { echo $before . $title . $after; } } /** * Retrieves the archive title based on the queried object. * * @since 4.1.0 * @since 5.5.0 The title part is wrapped in a `<span>` element. * * @return string Archive title. */ function get_the_archive_title() { $title = __( 'Archives' ); $prefix = ''; if ( is_category() ) { $title = single_cat_title( '', false ); $prefix = _x( 'Category:', 'category archive title prefix' ); } elseif ( is_tag() ) { $title = single_tag_title( '', false ); $prefix = _x( 'Tag:', 'tag archive title prefix' ); } elseif ( is_author() ) { $title = get_the_author(); $prefix = _x( 'Author:', 'author archive title prefix' ); } elseif ( is_year() ) { /* translators: See https://www.php.net/manual/datetime.format.php */ $title = get_the_date( _x( 'Y', 'yearly archives date format' ) ); $prefix = _x( 'Year:', 'date archive title prefix' ); } elseif ( is_month() ) { /* translators: See https://www.php.net/manual/datetime.format.php */ $title = get_the_date( _x( 'F Y', 'monthly archives date format' ) ); $prefix = _x( 'Month:', 'date archive title prefix' ); } elseif ( is_day() ) { /* translators: See https://www.php.net/manual/datetime.format.php */ $title = get_the_date( _x( 'F j, Y', 'daily archives date format' ) ); $prefix = _x( 'Day:', 'date archive title prefix' ); } elseif ( is_tax( 'post_format' ) ) { if ( is_tax( 'post_format', 'post-format-aside' ) ) { $title = _x( 'Asides', 'post format archive title' ); } elseif ( is_tax( 'post_format', 'post-format-gallery' ) ) { $title = _x( 'Galleries', 'post format archive title' ); } elseif ( is_tax( 'post_format', 'post-format-image' ) ) { $title = _x( 'Images', 'post format archive title' ); } elseif ( is_tax( 'post_format', 'post-format-video' ) ) { $title = _x( 'Videos', 'post format archive title' ); } elseif ( is_tax( 'post_format', 'post-format-quote' ) ) { $title = _x( 'Quotes', 'post format archive title' ); } elseif ( is_tax( 'post_format', 'post-format-link' ) ) { $title = _x( 'Links', 'post format archive title' ); } elseif ( is_tax( 'post_format', 'post-format-status' ) ) { $title = _x( 'Statuses', 'post format archive title' ); } elseif ( is_tax( 'post_format', 'post-format-audio' ) ) { $title = _x( 'Audio', 'post format archive title' ); } elseif ( is_tax( 'post_format', 'post-format-chat' ) ) { $title = _x( 'Chats', 'post format archive title' ); } } elseif ( is_post_type_archive() ) { $title = post_type_archive_title( '', false ); $prefix = _x( 'Archives:', 'post type archive title prefix' ); } elseif ( is_tax() ) { $queried_object = get_queried_object(); if ( $queried_object ) { $tax = get_taxonomy( $queried_object->taxonomy ); $title = single_term_title( '', false ); $prefix = sprintf( /* translators: %s: Taxonomy singular name. */ _x( '%s:', 'taxonomy term archive title prefix' ), $tax->labels->singular_name ); } } $original_title = $title; /** * Filters the archive title prefix. * * @since 5.5.0 * * @param string $prefix Archive title prefix. */ $prefix = apply_filters( 'get_the_archive_title_prefix', $prefix ); if ( $prefix ) { $title = sprintf( /* translators: 1: Title prefix. 2: Title. */ _x( '%1$s %2$s', 'archive title' ), $prefix, '<span>' . $title . '</span>' ); } /** * Filters the archive title. * * @since 4.1.0 * @since 5.5.0 Added the `$prefix` and `$original_title` parameters. * * @param string $title Archive title to be displayed. * @param string $original_title Archive title without prefix. * @param string $prefix Archive title prefix. */ return apply_filters( 'get_the_archive_title', $title, $original_title, $prefix ); } /** * Displays category, tag, term, or author description. * * @since 4.1.0 * * @see get_the_archive_description() * * @param string $before Optional. Content to prepend to the description. Default empty. * @param string $after Optional. Content to append to the description. Default empty. */ function the_archive_description( $before = '', $after = '' ) { $description = get_the_archive_description(); if ( $description ) { echo $before . $description . $after; } } /** * Retrieves the description for an author, post type, or term archive. * * @since 4.1.0 * @since 4.7.0 Added support for author archives. * @since 4.9.0 Added support for post type archives. * * @see term_description() * * @return string Archive description. */ function get_the_archive_description() { if ( is_author() ) { $description = get_the_author_meta( 'description' ); } elseif ( is_post_type_archive() ) { $description = get_the_post_type_description(); } else { $description = term_description(); } /** * Filters the archive description. * * @since 4.1.0 * * @param string $description Archive description to be displayed. */ return apply_filters( 'get_the_archive_description', $description ); } /** * Retrieves the description for a post type archive. * * @since 4.9.0 * * @return string The post type description. */ function get_the_post_type_description() { $post_type = get_query_var( 'post_type' ); if ( is_array( $post_type ) ) { $post_type = reset( $post_type ); } $post_type_obj = get_post_type_object( $post_type ); // Check if a description is set. if ( isset( $post_type_obj->description ) ) { $description = $post_type_obj->description; } else { $description = ''; } /** * Filters the description for a post type archive. * * @since 4.9.0 * * @param string $description The post type description. * @param WP_Post_Type $post_type_obj The post type object. */ return apply_filters( 'get_the_post_type_description', $description, $post_type_obj ); } /** * Retrieves archive link content based on predefined or custom code. * * The format can be one of four styles. The 'link' for head element, 'option' * for use in the select element, 'html' for use in list (either ol or ul HTML * elements). Custom content is also supported using the before and after * parameters. * * The 'link' format uses the `<link>` HTML element with the **archives** * relationship. The before and after parameters are not used. The text * parameter is used to describe the link. * * The 'option' format uses the option HTML element for use in select element. * The value is the url parameter and the before and after parameters are used * between the text description. * * The 'html' format, which is the default, uses the li HTML element for use in * the list HTML elements. The before parameter is before the link and the after * parameter is after the closing link. * * The custom format uses the before parameter before the link ('a' HTML * element) and the after parameter after the closing link tag. If the above * three values for the format are not used, then custom format is assumed. * * @since 1.0.0 * @since 5.2.0 Added the `$selected` parameter. * * @param string $url URL to archive. * @param string $text Archive text description. * @param string $format Optional. Can be 'link', 'option', 'html', or custom. Default 'html'. * @param string $before Optional. Content to prepend to the description. Default empty. * @param string $after Optional. Content to append to the description. Default empty. * @param bool $selected Optional. Set to true if the current page is the selected archive page. * @return string HTML link content for archive. */ function get_archives_link( $url, $text, $format = 'html', $before = '', $after = '', $selected = false ) { $text = wptexturize( $text ); $url = esc_url( $url ); $aria_current = $selected ? ' aria-current="page"' : ''; if ( 'link' === $format ) { $link_html = "\t<link rel='archives' title='" . esc_attr( $text ) . "' href='$url' />\n"; } elseif ( 'option' === $format ) { $selected_attr = $selected ? " selected='selected'" : ''; $link_html = "\t<option value='$url'$selected_attr>$before $text $after</option>\n"; } elseif ( 'html' === $format ) { $link_html = "\t<li>$before<a href='$url'$aria_current>$text</a>$after</li>\n"; } else { // Custom. $link_html = "\t$before<a href='$url'$aria_current>$text</a>$after\n"; } /** * Filters the archive link content. * * @since 2.6.0 * @since 4.5.0 Added the `$url`, `$text`, `$format`, `$before`, and `$after` parameters. * @since 5.2.0 Added the `$selected` parameter. * * @param string $link_html The archive HTML link content. * @param string $url URL to archive. * @param string $text Archive text description. * @param string $format Link format. Can be 'link', 'option', 'html', or custom. * @param string $before Content to prepend to the description. * @param string $after Content to append to the description. * @param bool $selected True if the current page is the selected archive. */ return apply_filters( 'get_archives_link', $link_html, $url, $text, $format, $before, $after, $selected ); } /** * Displays archive links based on type and format. * * @since 1.2.0 * @since 4.4.0 The `$post_type` argument was added. * @since 5.2.0 The `$year`, `$monthnum`, `$day`, and `$w` arguments were added. * * @see get_archives_link() * * @global wpdb $wpdb WordPress database abstraction object. * @global WP_Locale $wp_locale WordPress date and time locale object. * * @param string|array $args { * Default archive links arguments. Optional. * * @type string $type Type of archive to retrieve. Accepts 'daily', 'weekly', 'monthly', * 'yearly', 'postbypost', or 'alpha'. Both 'postbypost' and 'alpha' * display the same archive link list as well as post titles instead * of displaying dates. The difference between the two is that 'alpha' * will order by post title and 'postbypost' will order by post date. * Default 'monthly'. * @type string|int $limit Number of links to limit the query to. Default empty (no limit). * @type string $format Format each link should take using the $before and $after args. * Accepts 'link' (`<link>` tag), 'option' (`<option>` tag), 'html' * (`<li>` tag), or a custom format, which generates a link anchor * with $before preceding and $after succeeding. Default 'html'. * @type string $before Markup to prepend to the beginning of each link. Default empty. * @type string $after Markup to append to the end of each link. Default empty. * @type bool $show_post_count Whether to display the post count alongside the link. Default false. * @type bool|int $echo Whether to echo or return the links list. Default 1|true to echo. * @type string $order Whether to use ascending or descending order. Accepts 'ASC', or 'DESC'. * Default 'DESC'. * @type string $post_type Post type. Default 'post'. * @type string $year Year. Default current year. * @type string $monthnum Month number. Default current month number. * @type string $day Day. Default current day. * @type string $w Week. Default current week. * } * @return void|string Void if 'echo' argument is true, archive links if 'echo' is false. */ function wp_get_archives( $args = '' ) { global $wpdb, $wp_locale; $defaults = array( 'type' => 'monthly', 'limit' => '', 'format' => 'html', 'before' => '', 'after' => '', 'show_post_count' => false, 'echo' => 1, 'order' => 'DESC', 'post_type' => 'post', 'year' => get_query_var( 'year' ), 'monthnum' => get_query_var( 'monthnum' ), 'day' => get_query_var( 'day' ), 'w' => get_query_var( 'w' ), ); $parsed_args = wp_parse_args( $args, $defaults ); $post_type_object = get_post_type_object( $parsed_args['post_type'] ); if ( ! is_post_type_viewable( $post_type_object ) ) { return; } $parsed_args['post_type'] = $post_type_object->name; if ( '' === $parsed_args['type'] ) { $parsed_args['type'] = 'monthly'; } if ( ! empty( $parsed_args['limit'] ) ) { $parsed_args['limit'] = absint( $parsed_args['limit'] ); $parsed_args['limit'] = ' LIMIT ' . $parsed_args['limit']; } $order = strtoupper( $parsed_args['order'] ); if ( 'ASC' !== $order ) { $order = 'DESC'; } // This is what will separate dates on weekly archive links. $archive_week_separator = '–'; $sql_where = $wpdb->prepare( "WHERE post_type = %s AND post_status = 'publish'", $parsed_args['post_type'] ); /** * Filters the SQL WHERE clause for retrieving archives. * * @since 2.2.0 * * @param string $sql_where Portion of SQL query containing the WHERE clause. * @param array $parsed_args An array of default arguments. */ $where = apply_filters( 'getarchives_where', $sql_where, $parsed_args ); /** * Filters the SQL JOIN clause for retrieving archives. * * @since 2.2.0 * * @param string $sql_join Portion of SQL query containing JOIN clause. * @param array $parsed_args An array of default arguments. */ $join = apply_filters( 'getarchives_join', '', $parsed_args ); $output = ''; $last_changed = wp_cache_get_last_changed( 'posts' ); $limit = $parsed_args['limit']; if ( 'monthly' === $parsed_args['type'] ) { $query = "SELECT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date), MONTH(post_date) ORDER BY post_date $order $limit"; $key = md5( $query ); $key = "wp_get_archives:$key:$last_changed"; $results = wp_cache_get( $key, 'post-queries' ); if ( ! $results ) { $results = $wpdb->get_results( $query ); wp_cache_set( $key, $results, 'post-queries' ); } if ( $results ) { $after = $parsed_args['after']; foreach ( (array) $results as $result ) { $url = get_month_link( $result->year, $result->month ); if ( 'post' !== $parsed_args['post_type'] ) { $url = add_query_arg( 'post_type', $parsed_args['post_type'], $url ); } /* translators: 1: Month name, 2: 4-digit year. */ $text = sprintf( __( '%1$s %2$d' ), $wp_locale->get_month( $result->month ), $result->year ); if ( $parsed_args['show_post_count'] ) { $parsed_args['after'] = ' (' . $result->posts . ')' . $after; } $selected = is_archive() && (string) $parsed_args['year'] === $result->year && (string) $parsed_args['monthnum'] === $result->month; $output .= get_archives_link( $url, $text, $parsed_args['format'], $parsed_args['before'], $parsed_args['after'], $selected ); } } } elseif ( 'yearly' === $parsed_args['type'] ) { $query = "SELECT YEAR(post_date) AS `year`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date) ORDER BY post_date $order $limit"; $key = md5( $query ); $key = "wp_get_archives:$key:$last_changed"; $results = wp_cache_get( $key, 'post-queries' ); if ( ! $results ) { $results = $wpdb->get_results( $query ); wp_cache_set( $key, $results, 'post-queries' ); } if ( $results ) { $after = $parsed_args['after']; foreach ( (array) $results as $result ) { $url = get_year_link( $result->year ); if ( 'post' !== $parsed_args['post_type'] ) { $url = add_query_arg( 'post_type', $parsed_args['post_type'], $url ); } $text = sprintf( '%d', $result->year ); if ( $parsed_args['show_post_count'] ) { $parsed_args['after'] = ' (' . $result->posts . ')' . $after; } $selected = is_archive() && (string) $parsed_args['year'] === $result->year; $output .= get_archives_link( $url, $text, $parsed_args['format'], $parsed_args['before'], $parsed_args['after'], $selected ); } } } elseif ( 'daily' === $parsed_args['type'] ) { $query = "SELECT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, DAYOFMONTH(post_date) AS `dayofmonth`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date), MONTH(post_date), DAYOFMONTH(post_date) ORDER BY post_date $order $limit"; $key = md5( $query ); $key = "wp_get_archives:$key:$last_changed"; $results = wp_cache_get( $key, 'post-queries' ); if ( ! $results ) { $results = $wpdb->get_results( $query ); wp_cache_set( $key, $results, 'post-queries' ); } if ( $results ) { $after = $parsed_args['after']; foreach ( (array) $results as $result ) { $url = get_day_link( $result->year, $result->month, $result->dayofmonth ); if ( 'post' !== $parsed_args['post_type'] ) { $url = add_query_arg( 'post_type', $parsed_args['post_type'], $url ); } $date = sprintf( '%1$d-%2$02d-%3$02d 00:00:00', $result->year, $result->month, $result->dayofmonth ); $text = mysql2date( get_option( 'date_format' ), $date ); if ( $parsed_args['show_post_count'] ) { $parsed_args['after'] = ' (' . $result->posts . ')' . $after; } $selected = is_archive() && (string) $parsed_args['year'] === $result->year && (string) $parsed_args['monthnum'] === $result->month && (string) $parsed_args['day'] === $result->dayofmonth; $output .= get_archives_link( $url, $text, $parsed_args['format'], $parsed_args['before'], $parsed_args['after'], $selected ); } } } elseif ( 'weekly' === $parsed_args['type'] ) { $week = _wp_mysql_week( '`post_date`' ); $query = "SELECT DISTINCT $week AS `week`, YEAR( `post_date` ) AS `yr`, DATE_FORMAT( `post_date`, '%Y-%m-%d' ) AS `yyyymmdd`, count( `ID` ) AS `posts` FROM `$wpdb->posts` $join $where GROUP BY $week, YEAR( `post_date` ) ORDER BY `post_date` $order $limit"; $key = md5( $query ); $key = "wp_get_archives:$key:$last_changed"; $results = wp_cache_get( $key, 'post-queries' ); if ( ! $results ) { $results = $wpdb->get_results( $query ); wp_cache_set( $key, $results, 'post-queries' ); } $arc_w_last = ''; if ( $results ) { $after = $parsed_args['after']; foreach ( (array) $results as $result ) { if ( $result->week != $arc_w_last ) { $arc_year = $result->yr; $arc_w_last = $result->week; $arc_week = get_weekstartend( $result->yyyymmdd, get_option( 'start_of_week' ) ); $arc_week_start = date_i18n( get_option( 'date_format' ), $arc_week['start'] ); $arc_week_end = date_i18n( get_option( 'date_format' ), $arc_week['end'] ); $url = add_query_arg( array( 'm' => $arc_year, 'w' => $result->week, ), home_url( '/' ) ); if ( 'post' !== $parsed_args['post_type'] ) { $url = add_query_arg( 'post_type', $parsed_args['post_type'], $url ); } $text = $arc_week_start . $archive_week_separator . $arc_week_end; if ( $parsed_args['show_post_count'] ) { $parsed_args['after'] = ' (' . $result->posts . ')' . $after; } $selected = is_archive() && (string) $parsed_args['year'] === $result->yr && (string) $parsed_args['w'] === $result->week; $output .= get_archives_link( $url, $text, $parsed_args['format'], $parsed_args['before'], $parsed_args['after'], $selected ); } } } } elseif ( ( 'postbypost' === $parsed_args['type'] ) || ( 'alpha' === $parsed_args['type'] ) ) { $orderby = ( 'alpha' === $parsed_args['type'] ) ? 'post_title ASC ' : 'post_date DESC, ID DESC '; $query = "SELECT * FROM $wpdb->posts $join $where ORDER BY $orderby $limit"; $key = md5( $query ); $key = "wp_get_archives:$key:$last_changed"; $results = wp_cache_get( $key, 'post-queries' ); if ( ! $results ) { $results = $wpdb->get_results( $query ); wp_cache_set( $key, $results, 'post-queries' ); } if ( $results ) { foreach ( (array) $results as $result ) { if ( '0000-00-00 00:00:00' !== $result->post_date ) { $url = get_permalink( $result ); if ( $result->post_title ) { /** This filter is documented in wp-includes/post-template.php */ $text = strip_tags( apply_filters( 'the_title', $result->post_title, $result->ID ) ); } else { $text = $result->ID; } $selected = get_the_ID() === $result->ID; $output .= get_archives_link( $url, $text, $parsed_args['format'], $parsed_args['before'], $parsed_args['after'], $selected ); } } } } if ( $parsed_args['echo'] ) { echo $output; } else { return $output; } } /** * Gets number of days since the start of the week. * * @since 1.5.0 * * @param int $num Number of day. * @return float Days since the start of the week. */ function calendar_week_mod( $num ) { $base = 7; return ( $num - $base * floor( $num / $base ) ); } /** * Displays calendar with days that have posts as links. * * The calendar is cached, which will be retrieved, if it exists. If there are * no posts for the month, then it will not be displayed. * * @since 1.0.0 * * @global wpdb $wpdb WordPress database abstraction object. * @global int $m * @global int $monthnum * @global int $year * @global WP_Locale $wp_locale WordPress date and time locale object. * @global array $posts * * @param bool $initial Optional. Whether to use initial calendar names. Default true. * @param bool $display Optional. Whether to display the calendar output. Default true. * @return void|string Void if `$display` argument is true, calendar HTML if `$display` is false. */ function get_calendar( $initial = true, $display = true ) { global $wpdb, $m, $monthnum, $year, $wp_locale, $posts; $key = md5( $m . $monthnum . $year ); $cache = wp_cache_get( 'get_calendar', 'calendar' ); if ( $cache && is_array( $cache ) && isset( $cache[ $key ] ) ) { /** This filter is documented in wp-includes/general-template.php */ $output = apply_filters( 'get_calendar', $cache[ $key ] ); if ( $display ) { echo $output; return; } return $output; } if ( ! is_array( $cache ) ) { $cache = array(); } // Quick check. If we have no posts at all, abort! if ( ! $posts ) { $gotsome = $wpdb->get_var( "SELECT 1 as test FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' LIMIT 1" ); if ( ! $gotsome ) { $cache[ $key ] = ''; wp_cache_set( 'get_calendar', $cache, 'calendar' ); return; } } if ( isset( $_GET['w'] ) ) { $w = (int) $_GET['w']; } // week_begins = 0 stands for Sunday. $week_begins = (int) get_option( 'start_of_week' ); // Let's figure out when we are. if ( ! empty( $monthnum ) && ! empty( $year ) ) { $thismonth = zeroise( (int) $monthnum, 2 ); $thisyear = (int) $year; } elseif ( ! empty( $w ) ) { // We need to get the month from MySQL. $thisyear = (int) substr( $m, 0, 4 ); // It seems MySQL's weeks disagree with PHP's. $d = ( ( $w - 1 ) * 7 ) + 6; $thismonth = $wpdb->get_var( "SELECT DATE_FORMAT((DATE_ADD('{$thisyear}0101', INTERVAL $d DAY) ), '%m')" ); } elseif ( ! empty( $m ) ) { $thisyear = (int) substr( $m, 0, 4 ); if ( strlen( $m ) < 6 ) { $thismonth = '01'; } else { $thismonth = zeroise( (int) substr( $m, 4, 2 ), 2 ); } } else { $thisyear = current_time( 'Y' ); $thismonth = current_time( 'm' ); } $unixmonth = mktime( 0, 0, 0, $thismonth, 1, $thisyear ); $last_day = gmdate( 't', $unixmonth ); // Get the next and previous month and year with at least one post. $previous = $wpdb->get_row( "SELECT MONTH(post_date) AS month, YEAR(post_date) AS year FROM $wpdb->posts WHERE post_date < '$thisyear-$thismonth-01' AND post_type = 'post' AND post_status = 'publish' ORDER BY post_date DESC LIMIT 1" ); $next = $wpdb->get_row( "SELECT MONTH(post_date) AS month, YEAR(post_date) AS year FROM $wpdb->posts WHERE post_date > '$thisyear-$thismonth-{$last_day} 23:59:59' AND post_type = 'post' AND post_status = 'publish' ORDER BY post_date ASC LIMIT 1" ); /* translators: Calendar caption: 1: Month name, 2: 4-digit year. */ $calendar_caption = _x( '%1$s %2$s', 'calendar caption' ); $calendar_output = '<table id="wp-calendar" class="wp-calendar-table"> <caption>' . sprintf( $calendar_caption, $wp_locale->get_month( $thismonth ), gmdate( 'Y', $unixmonth ) ) . '</caption> <thead> <tr>'; $myweek = array(); for ( $wdcount = 0; $wdcount <= 6; $wdcount++ ) { $myweek[] = $wp_locale->get_weekday( ( $wdcount + $week_begins ) % 7 ); } foreach ( $myweek as $wd ) { $day_name = $initial ? $wp_locale->get_weekday_initial( $wd ) : $wp_locale->get_weekday_abbrev( $wd ); $wd = esc_attr( $wd ); $calendar_output .= "\n\t\t<th scope=\"col\" title=\"$wd\">$day_name</th>"; } $calendar_output .= ' </tr> </thead> <tbody> <tr>'; $daywithpost = array(); // Get days with posts. $dayswithposts = $wpdb->get_results( "SELECT DISTINCT DAYOFMONTH(post_date) FROM $wpdb->posts WHERE post_date >= '{$thisyear}-{$thismonth}-01 00:00:00' AND post_type = 'post' AND post_status = 'publish' AND post_date <= '{$thisyear}-{$thismonth}-{$last_day} 23:59:59'", ARRAY_N ); if ( $dayswithposts ) { foreach ( (array) $dayswithposts as $daywith ) { $daywithpost[] = (int) $daywith[0]; } } // See how much we should pad in the beginning. $pad = calendar_week_mod( gmdate( 'w', $unixmonth ) - $week_begins ); if ( 0 != $pad ) { $calendar_output .= "\n\t\t" . '<td colspan="' . esc_attr( $pad ) . '" class="pad"> </td>'; } $newrow = false; $daysinmonth = (int) gmdate( 't', $unixmonth ); for ( $day = 1; $day <= $daysinmonth; ++$day ) { if ( isset( $newrow ) && $newrow ) { $calendar_output .= "\n\t</tr>\n\t<tr>\n\t\t"; } $newrow = false; if ( current_time( 'j' ) == $day && current_time( 'm' ) == $thismonth && current_time( 'Y' ) == $thisyear ) { $calendar_output .= '<td id="today">'; } else { $calendar_output .= '<td>'; } if ( in_array( $day, $daywithpost, true ) ) { // Any posts today? $date_format = gmdate( _x( 'F j, Y', 'daily archives date format' ), strtotime( "{$thisyear}-{$thismonth}-{$day}" ) ); /* translators: Post calendar label. %s: Date. */ $label = sprintf( __( 'Posts published on %s' ), $date_format ); $calendar_output .= sprintf( '<a href="%s" aria-label="%s">%s</a>', get_day_link( $thisyear, $thismonth, $day ), esc_attr( $label ), $day ); } else { $calendar_output .= $day; } $calendar_output .= '</td>'; if ( 6 == calendar_week_mod( gmdate( 'w', mktime( 0, 0, 0, $thismonth, $day, $thisyear ) ) - $week_begins ) ) { $newrow = true; } } $pad = 7 - calendar_week_mod( gmdate( 'w', mktime( 0, 0, 0, $thismonth, $day, $thisyear ) ) - $week_begins ); if ( 0 != $pad && 7 != $pad ) { $calendar_output .= "\n\t\t" . '<td class="pad" colspan="' . esc_attr( $pad ) . '"> </td>'; } $calendar_output .= "\n\t</tr>\n\t</tbody>"; $calendar_output .= "\n\t</table>"; $calendar_output .= '<nav aria-label="' . __( 'Previous and next months' ) . '" class="wp-calendar-nav">'; if ( $previous ) { $calendar_output .= "\n\t\t" . '<span class="wp-calendar-nav-prev"><a href="' . get_month_link( $previous->year, $previous->month ) . '">« ' . $wp_locale->get_month_abbrev( $wp_locale->get_month( $previous->month ) ) . '</a></span>'; } else { $calendar_output .= "\n\t\t" . '<span class="wp-calendar-nav-prev"> </span>'; } $calendar_output .= "\n\t\t" . '<span class="pad"> </span>'; if ( $next ) { $calendar_output .= "\n\t\t" . '<span class="wp-calendar-nav-next"><a href="' . get_month_link( $next->year, $next->month ) . '">' . $wp_locale->get_month_abbrev( $wp_locale->get_month( $next->month ) ) . ' »</a></span>'; } else { $calendar_output .= "\n\t\t" . '<span class="wp-calendar-nav-next"> </span>'; } $calendar_output .= ' </nav>'; $cache[ $key ] = $calendar_output; wp_cache_set( 'get_calendar', $cache, 'calendar' ); if ( $display ) { /** * Filters the HTML calendar output. * * @since 3.0.0 * * @param string $calendar_output HTML output of the calendar. */ echo apply_filters( 'get_calendar', $calendar_output ); return; } /** This filter is documented in wp-includes/general-template.php */ return apply_filters( 'get_calendar', $calendar_output ); } /** * Purges the cached results of get_calendar. * * @see get_calendar() * @since 2.1.0 */ function delete_get_calendar_cache() { wp_cache_delete( 'get_calendar', 'calendar' ); } /** * Displays all of the allowed tags in HTML format with attributes. * * This is useful for displaying in the comment area, which elements and * attributes are supported. As well as any plugins which want to display it. * * @since 1.0.1 * @since 4.4.0 No longer used in core. * * @global array $allowedtags * * @return string HTML allowed tags entity encoded. */ function allowed_tags() { global $allowedtags; $allowed = ''; foreach ( (array) $allowedtags as $tag => $attributes ) { $allowed .= '<' . $tag; if ( 0 < count( $attributes ) ) { foreach ( $attributes as $attribute => $limits ) { $allowed .= ' ' . $attribute . '=""'; } } $allowed .= '> '; } return htmlentities( $allowed ); } /***** Date/Time tags */ /** * Outputs the date in iso8601 format for xml files. * * @since 1.0.0 */ function the_date_xml() { echo mysql2date( 'Y-m-d', get_post()->post_date, false ); } /** * Displays or retrieves the date the current post was written (once per date) * * Will only output the date if the current post's date is different from the * previous one output. * * i.e. Only one date listing will show per day worth of posts shown in the loop, even if the * function is called several times for each post. * * HTML output can be filtered with 'the_date'. * Date string output can be filtered with 'get_the_date'. * * @since 0.71 * * @global string $currentday The day of the current post in the loop. * @global string $previousday The day of the previous post in the loop. * * @param string $format Optional. PHP date format. Defaults to the 'date_format' option. * @param string $before Optional. Output before the date. Default empty. * @param string $after Optional. Output after the date. Default empty. * @param bool $display Optional. Whether to echo the date or return it. Default true. * @return string|void String if retrieving. */ function the_date( $format = '', $before = '', $after = '', $display = true ) { global $currentday, $previousday; $the_date = ''; if ( is_new_day() ) { $the_date = $before . get_the_date( $format ) . $after; $previousday = $currentday; } /** * Filters the date a post was published for display. * * @since 0.71 * * @param string $the_date The formatted date string. * @param string $format PHP date format. * @param string $before HTML output before the date. * @param string $after HTML output after the date. */ $the_date = apply_filters( 'the_date', $the_date, $format, $before, $after ); if ( $display ) { echo $the_date; } else { return $the_date; } } /** * Retrieves the date on which the post was written. * * Unlike the_date() this function will always return the date. * Modify output with the {@see 'get_the_date'} filter. * * @since 3.0.0 * * @param string $format Optional. PHP date format. Defaults to the 'date_format' option. * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default current post. * @return string|int|false Date the current post was written. False on failure. */ function get_the_date( $format = '', $post = null ) { $post = get_post( $post ); if ( ! $post ) { return false; } $_format = ! empty( $format ) ? $format : get_option( 'date_format' ); $the_date = get_post_time( $_format, false, $post, true ); /** * Filters the date a post was published. * * @since 3.0.0 * * @param string|int $the_date Formatted date string or Unix timestamp if `$format` is 'U' or 'G'. * @param string $format PHP date format. * @param WP_Post $post The post object. */ return apply_filters( 'get_the_date', $the_date, $format, $post ); } /** * Displays the date on which the post was last modified. * * @since 2.1.0 * * @param string $format Optional. PHP date format. Defaults to the 'date_format' option. * @param string $before Optional. Output before the date. Default empty. * @param string $after Optional. Output after the date. Default empty. * @param bool $display Optional. Whether to echo the date or return it. Default true. * @return string|void String if retrieving. */ function the_modified_date( $format = '', $before = '', $after = '', $display = true ) { $the_modified_date = $before . get_the_modified_date( $format ) . $after; /** * Filters the date a post was last modified for display. * * @since 2.1.0 * * @param string|false $the_modified_date The last modified date or false if no post is found. * @param string $format PHP date format. * @param string $before HTML output before the date. * @param string $after HTML output after the date. */ $the_modified_date = apply_filters( 'the_modified_date', $the_modified_date, $format, $before, $after ); if ( $display ) { echo $the_modified_date; } else { return $the_modified_date; } } /** * Retrieves the date on which the post was last modified. * * @since 2.1.0 * @since 4.6.0 Added the `$post` parameter. * * @param string $format Optional. PHP date format. Defaults to the 'date_format' option. * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default current post. * @return string|int|false Date the current post was modified. False on failure. */ function get_the_modified_date( $format = '', $post = null ) { $post = get_post( $post ); if ( ! $post ) { // For backward compatibility, failures go through the filter below. $the_time = false; } else { $_format = ! empty( $format ) ? $format : get_option( 'date_format' ); $the_time = get_post_modified_time( $_format, false, $post, true ); } /** * Filters the date a post was last modified. * * @since 2.1.0 * @since 4.6.0 Added the `$post` parameter. * * @param string|int|false $the_time The formatted date or false if no post is found. * @param string $format PHP date format. * @param WP_Post|null $post WP_Post object or null if no post is found. */ return apply_filters( 'get_the_modified_date', $the_time, $format, $post ); } /** * Displays the time at which the post was written. * * @since 0.71 * * @param string $format Optional. Format to use for retrieving the time the post * was written. Accepts 'G', 'U', or PHP date format. * Defaults to the 'time_format' option. */ function the_time( $format = '' ) { /** * Filters the time a post was written for display. * * @since 0.71 * * @param string $get_the_time The formatted time. * @param string $format Format to use for retrieving the time the post * was written. Accepts 'G', 'U', or PHP date format. */ echo apply_filters( 'the_time', get_the_time( $format ), $format ); } /** * Retrieves the time at which the post was written. * * @since 1.5.0 * * @param string $format Optional. Format to use for retrieving the time the post * was written. Accepts 'G', 'U', or PHP date format. * Defaults to the 'time_format' option. * @param int|WP_Post $post Post ID or post object. Default is global `$post` object. * @return string|int|false Formatted date string or Unix timestamp if `$format` is 'U' or 'G'. * False on failure. */ function get_the_time( $format = '', $post = null ) { $post = get_post( $post ); if ( ! $post ) { return false; } $_format = ! empty( $format ) ? $format : get_option( 'time_format' ); $the_time = get_post_time( $_format, false, $post, true ); /** * Filters the time a post was written. * * @since 1.5.0 * * @param string|int $the_time Formatted date string or Unix timestamp if `$format` is 'U' or 'G'. * @param string $format Format to use for retrieving the time the post * was written. Accepts 'G', 'U', or PHP date format. * @param WP_Post $post Post object. */ return apply_filters( 'get_the_time', $the_time, $format, $post ); } /** * Retrieves the time at which the post was written. * * @since 2.0.0 * * @param string $format Optional. Format to use for retrieving the time the post * was written. Accepts 'G', 'U', or PHP date format. Default 'U'. * @param bool $gmt Optional. Whether to retrieve the GMT time. Default false. * @param int|WP_Post $post Post ID or post object. Default is global `$post` object. * @param bool $translate Whether to translate the time string. Default false. * @return string|int|false Formatted date string or Unix timestamp if `$format` is 'U' or 'G'. * False on failure. */ function get_post_time( $format = 'U', $gmt = false, $post = null, $translate = false ) { $post = get_post( $post ); if ( ! $post ) { return false; } $source = ( $gmt ) ? 'gmt' : 'local'; $datetime = get_post_datetime( $post, 'date', $source ); if ( false === $datetime ) { return false; } if ( 'U' === $format || 'G' === $format ) { $time = $datetime->getTimestamp(); // Returns a sum of timestamp with timezone offset. Ideally should never be used. if ( ! $gmt ) { $time += $datetime->getOffset(); } } elseif ( $translate ) { $time = wp_date( $format, $datetime->getTimestamp(), $gmt ? new DateTimeZone( 'UTC' ) : null ); } else { if ( $gmt ) { $datetime = $datetime->setTimezone( new DateTimeZone( 'UTC' ) ); } $time = $datetime->format( $format ); } /** * Filters the localized time a post was written. * * @since 2.6.0 * * @param string|int $time Formatted date string or Unix timestamp if `$format` is 'U' or 'G'. * @param string $format Format to use for retrieving the time the post was written. * Accepts 'G', 'U', or PHP date format. * @param bool $gmt Whether to retrieve the GMT time. */ return apply_filters( 'get_post_time', $time, $format, $gmt ); } /** * Retrieves post published or modified time as a `DateTimeImmutable` object instance. * * The object will be set to the timezone from WordPress settings. * * For legacy reasons, this function allows to choose to instantiate from local or UTC time in database. * Normally this should make no difference to the result. However, the values might get out of sync in database, * typically because of timezone setting changes. The parameter ensures the ability to reproduce backwards * compatible behaviors in such cases. * * @since 5.3.0 * * @param int|WP_Post $post Optional. Post ID or post object. Default is global `$post` object. * @param string $field Optional. Published or modified time to use from database. Accepts 'date' or 'modified'. * Default 'date'. * @param string $source Optional. Local or UTC time to use from database. Accepts 'local' or 'gmt'. * Default 'local'. * @return DateTimeImmutable|false Time object on success, false on failure. */ function get_post_datetime( $post = null, $field = 'date', $source = 'local' ) { $post = get_post( $post ); if ( ! $post ) { return false; } $wp_timezone = wp_timezone(); if ( 'gmt' === $source ) { $time = ( 'modified' === $field ) ? $post->post_modified_gmt : $post->post_date_gmt; $timezone = new DateTimeZone( 'UTC' ); } else { $time = ( 'modified' === $field ) ? $post->post_modified : $post->post_date; $timezone = $wp_timezone; } if ( empty( $time ) || '0000-00-00 00:00:00' === $time ) { return false; } $datetime = date_create_immutable_from_format( 'Y-m-d H:i:s', $time, $timezone ); if ( false === $datetime ) { return false; } return $datetime->setTimezone( $wp_timezone ); } /** * Retrieves post published or modified time as a Unix timestamp. * * Note that this function returns a true Unix timestamp, not summed with timezone offset * like older WP functions. * * @since 5.3.0 * * @param int|WP_Post $post Optional. Post ID or post object. Default is global `$post` object. * @param string $field Optional. Published or modified time to use from database. Accepts 'date' or 'modified'. * Default 'date'. * @return int|false Unix timestamp on success, false on failure. */ function get_post_timestamp( $post = null, $field = 'date' ) { $datetime = get_post_datetime( $post, $field ); if ( false === $datetime ) { return false; } return $datetime->getTimestamp(); } /** * Displays the time at which the post was last modified. * * @since 2.0.0 * * @param string $format Optional. Format to use for retrieving the time the post * was modified. Accepts 'G', 'U', or PHP date format. * Defaults to the 'time_format' option. */ function the_modified_time( $format = '' ) { /** * Filters the localized time a post was last modified, for display. * * @since 2.0.0 * * @param string|false $get_the_modified_time The formatted time or false if no post is found. * @param string $format Format to use for retrieving the time the post * was modified. Accepts 'G', 'U', or PHP date format. */ echo apply_filters( 'the_modified_time', get_the_modified_time( $format ), $format ); } /** * Retrieves the time at which the post was last modified. * * @since 2.0.0 * @since 4.6.0 Added the `$post` parameter. * * @param string $format Optional. Format to use for retrieving the time the post * was modified. Accepts 'G', 'U', or PHP date format. * Defaults to the 'time_format' option. * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default current post. * @return string|int|false Formatted date string or Unix timestamp. False on failure. */ function get_the_modified_time( $format = '', $post = null ) { $post = get_post( $post ); if ( ! $post ) { // For backward compatibility, failures go through the filter below. $the_time = false; } else { $_format = ! empty( $format ) ? $format : get_option( 'time_format' ); $the_time = get_post_modified_time( $_format, false, $post, true ); } /** * Filters the localized time a post was last modified. * * @since 2.0.0 * @since 4.6.0 Added the `$post` parameter. * * @param string|int|false $the_time The formatted time or false if no post is found. * @param string $format Format to use for retrieving the time the post * was modified. Accepts 'G', 'U', or PHP date format. * @param WP_Post|null $post WP_Post object or null if no post is found. */ return apply_filters( 'get_the_modified_time', $the_time, $format, $post ); } /** * Retrieves the time at which the post was last modified. * * @since 2.0.0 * * @param string $format Optional. Format to use for retrieving the time the post * was modified. Accepts 'G', 'U', or PHP date format. Default 'U'. * @param bool $gmt Optional. Whether to retrieve the GMT time. Default false. * @param int|WP_Post $post Post ID or post object. Default is global `$post` object. * @param bool $translate Whether to translate the time string. Default false. * @return string|int|false Formatted date string or Unix timestamp if `$format` is 'U' or 'G'. * False on failure. */ function get_post_modified_time( $format = 'U', $gmt = false, $post = null, $translate = false ) { $post = get_post( $post ); if ( ! $post ) { return false; } $source = ( $gmt ) ? 'gmt' : 'local'; $datetime = get_post_datetime( $post, 'modified', $source ); if ( false === $datetime ) { return false; } if ( 'U' === $format || 'G' === $format ) { $time = $datetime->getTimestamp(); // Returns a sum of timestamp with timezone offset. Ideally should never be used. if ( ! $gmt ) { $time += $datetime->getOffset(); } } elseif ( $translate ) { $time = wp_date( $format, $datetime->getTimestamp(), $gmt ? new DateTimeZone( 'UTC' ) : null ); } else { if ( $gmt ) { $datetime = $datetime->setTimezone( new DateTimeZone( 'UTC' ) ); } $time = $datetime->format( $format ); } /** * Filters the localized time a post was last modified. * * @since 2.8.0 * * @param string|int $time Formatted date string or Unix timestamp if `$format` is 'U' or 'G'. * @param string $format Format to use for retrieving the time the post was modified. * Accepts 'G', 'U', or PHP date format. Default 'U'. * @param bool $gmt Whether to retrieve the GMT time. Default false. */ return apply_filters( 'get_post_modified_time', $time, $format, $gmt ); } /** * Displays the weekday on which the post was written. * * @since 0.71 * * @global WP_Locale $wp_locale WordPress date and time locale object. */ function the_weekday() { global $wp_locale; $post = get_post(); if ( ! $post ) { return; } $the_weekday = $wp_locale->get_weekday( get_post_time( 'w', false, $post ) ); /** * Filters the weekday on which the post was written, for display. * * @since 0.71 * * @param string $the_weekday */ echo apply_filters( 'the_weekday', $the_weekday ); } /** * Displays the weekday on which the post was written. * * Will only output the weekday if the current post's weekday is different from * the previous one output. * * @since 0.71 * * @global WP_Locale $wp_locale WordPress date and time locale object. * @global string $currentday The day of the current post in the loop. * @global string $previousweekday The day of the previous post in the loop. * * @param string $before Optional. Output before the date. Default empty. * @param string $after Optional. Output after the date. Default empty. */ function the_weekday_date( $before = '', $after = '' ) { global $wp_locale, $currentday, $previousweekday; $post = get_post(); if ( ! $post ) { return; } $the_weekday_date = ''; if ( $currentday !== $previousweekday ) { $the_weekday_date .= $before; $the_weekday_date .= $wp_locale->get_weekday( get_post_time( 'w', false, $post ) ); $the_weekday_date .= $after; $previousweekday = $currentday; } /** * Filters the localized date on which the post was written, for display. * * @since 0.71 * * @param string $the_weekday_date The weekday on which the post was written. * @param string $before The HTML to output before the date. * @param string $after The HTML to output after the date. */ echo apply_filters( 'the_weekday_date', $the_weekday_date, $before, $after ); } /** * Fires the wp_head action. * * See {@see 'wp_head'}. * * @since 1.2.0 */ function wp_head() { /** * Prints scripts or data in the head tag on the front end. * * @since 1.5.0 */ do_action( 'wp_head' ); } /** * Fires the wp_footer action. * * See {@see 'wp_footer'}. * * @since 1.5.1 */ function wp_footer() { /** * Prints scripts or data before the closing body tag on the front end. * * @since 1.5.1 */ do_action( 'wp_footer' ); } /** * Fires the wp_body_open action. * * See {@see 'wp_body_open'}. * * @since 5.2.0 */ function wp_body_open() { /** * Triggered after the opening body tag. * * @since 5.2.0 */ do_action( 'wp_body_open' ); } /** * Displays the links to the general feeds. * * @since 2.8.0 * * @param array $args Optional arguments. */ function feed_links( $args = array() ) { if ( ! current_theme_supports( 'automatic-feed-links' ) ) { return; } $defaults = array( /* translators: Separator between site name and feed type in feed links. */ 'separator' => _x( '»', 'feed link' ), /* translators: 1: Site title, 2: Separator (raquo). */ 'feedtitle' => __( '%1$s %2$s Feed' ), /* translators: 1: Site title, 2: Separator (raquo). */ 'comstitle' => __( '%1$s %2$s Comments Feed' ), ); $args = wp_parse_args( $args, $defaults ); /** * Filters the feed links arguments. * * @since 6.7.0 * * @param array $args An array of feed links arguments. */ $args = apply_filters( 'feed_links_args', $args ); /** * Filters whether to display the posts feed link. * * @since 4.4.0 * * @param bool $show Whether to display the posts feed link. Default true. */ if ( apply_filters( 'feed_links_show_posts_feed', true ) ) { printf( '<link rel="alternate" type="%s" title="%s" href="%s" />' . "\n", feed_content_type(), esc_attr( sprintf( $args['feedtitle'], get_bloginfo( 'name' ), $args['separator'] ) ), esc_url( get_feed_link() ) ); } /** * Filters whether to display the comments feed link. * * @since 4.4.0 * * @param bool $show Whether to display the comments feed link. Default true. */ if ( apply_filters( 'feed_links_show_comments_feed', true ) ) { printf( '<link rel="alternate" type="%s" title="%s" href="%s" />' . "\n", feed_content_type(), esc_attr( sprintf( $args['comstitle'], get_bloginfo( 'name' ), $args['separator'] ) ), esc_url( get_feed_link( 'comments_' . get_default_feed() ) ) ); } } /** * Displays the links to the extra feeds such as category feeds. * * @since 2.8.0 * * @param array $args Optional arguments. */ function feed_links_extra( $args = array() ) { $defaults = array( /* translators: Separator between site name and feed type in feed links. */ 'separator' => _x( '»', 'feed link' ), /* translators: 1: Site name, 2: Separator (raquo), 3: Post title. */ 'singletitle' => __( '%1$s %2$s %3$s Comments Feed' ), /* translators: 1: Site name, 2: Separator (raquo), 3: Category name. */ 'cattitle' => __( '%1$s %2$s %3$s Category Feed' ), /* translators: 1: Site name, 2: Separator (raquo), 3: Tag name. */ 'tagtitle' => __( '%1$s %2$s %3$s Tag Feed' ), /* translators: 1: Site name, 2: Separator (raquo), 3: Term name, 4: Taxonomy singular name. */ 'taxtitle' => __( '%1$s %2$s %3$s %4$s Feed' ), /* translators: 1: Site name, 2: Separator (raquo), 3: Author name. */ 'authortitle' => __( '%1$s %2$s Posts by %3$s Feed' ), /* translators: 1: Site name, 2: Separator (raquo), 3: Search query. */ 'searchtitle' => __( '%1$s %2$s Search Results for “%3$s” Feed' ), /* translators: 1: Site name, 2: Separator (raquo), 3: Post type name. */ 'posttypetitle' => __( '%1$s %2$s %3$s Feed' ), ); $args = wp_parse_args( $args, $defaults ); /** * Filters the extra feed links arguments. * * @since 6.7.0 * * @param array $args An array of extra feed links arguments. */ $args = apply_filters( 'feed_links_extra_args', $args ); if ( is_singular() ) { $id = 0; $post = get_post( $id ); /** This filter is documented in wp-includes/general-template.php */ $show_comments_feed = apply_filters( 'feed_links_show_comments_feed', true ); /** * Filters whether to display the post comments feed link. * * This filter allows to enable or disable the feed link for a singular post * in a way that is independent of {@see 'feed_links_show_comments_feed'} * (which controls the global comments feed). The result of that filter * is accepted as a parameter. * * @since 6.1.0 * * @param bool $show_comments_feed Whether to display the post comments feed link. Defaults to * the {@see 'feed_links_show_comments_feed'} filter result. */ $show_post_comments_feed = apply_filters( 'feed_links_extra_show_post_comments_feed', $show_comments_feed ); if ( $show_post_comments_feed && ( comments_open() || pings_open() || $post->comment_count > 0 ) ) { $title = sprintf( $args['singletitle'], get_bloginfo( 'name' ), $args['separator'], the_title_attribute( array( 'echo' => false ) ) ); $feed_link = get_post_comments_feed_link( $post->ID ); if ( $feed_link ) { $href = $feed_link; } } } elseif ( is_post_type_archive() ) { /** * Filters whether to display the post type archive feed link. * * @since 6.1.0 * * @param bool $show Whether to display the post type archive feed link. Default true. */ $show_post_type_archive_feed = apply_filters( 'feed_links_extra_show_post_type_archive_feed', true ); if ( $show_post_type_archive_feed ) { $post_type = get_query_var( 'post_type' ); if ( is_array( $post_type ) ) { $post_type = reset( $post_type ); } $post_type_obj = get_post_type_object( $post_type ); $title = sprintf( $args['posttypetitle'], get_bloginfo( 'name' ), $args['separator'], $post_type_obj->labels->name ); $href = get_post_type_archive_feed_link( $post_type_obj->name ); } } elseif ( is_category() ) { /** * Filters whether to display the category feed link. * * @since 6.1.0 * * @param bool $show Whether to display the category feed link. Default true. */ $show_category_feed = apply_filters( 'feed_links_extra_show_category_feed', true ); if ( $show_category_feed ) { $term = get_queried_object(); if ( $term ) { $title = sprintf( $args['cattitle'], get_bloginfo( 'name' ), $args['separator'], $term->name ); $href = get_category_feed_link( $term->term_id ); } } } elseif ( is_tag() ) { /** * Filters whether to display the tag feed link. * * @since 6.1.0 * * @param bool $show Whether to display the tag feed link. Default true. */ $show_tag_feed = apply_filters( 'feed_links_extra_show_tag_feed', true ); if ( $show_tag_feed ) { $term = get_queried_object(); if ( $term ) { $title = sprintf( $args['tagtitle'], get_bloginfo( 'name' ), $args['separator'], $term->name ); $href = get_tag_feed_link( $term->term_id ); } } } elseif ( is_tax() ) { /** * Filters whether to display the custom taxonomy feed link. * * @since 6.1.0 * * @param bool $show Whether to display the custom taxonomy feed link. Default true. */ $show_tax_feed = apply_filters( 'feed_links_extra_show_tax_feed', true ); if ( $show_tax_feed ) { $term = get_queried_object(); if ( $term ) { $tax = get_taxonomy( $term->taxonomy ); $title = sprintf( $args['taxtitle'], get_bloginfo( 'name' ), $args['separator'], $term->name, $tax->labels->singular_name ); $href = get_term_feed_link( $term->term_id, $term->taxonomy ); } } } elseif ( is_author() ) { /** * Filters whether to display the author feed link. * * @since 6.1.0 * * @param bool $show Whether to display the author feed link. Default true. */ $show_author_feed = apply_filters( 'feed_links_extra_show_author_feed', true ); if ( $show_author_feed ) { $author_id = (int) get_query_var( 'author' ); $title = sprintf( $args['authortitle'], get_bloginfo( 'name' ), $args['separator'], get_the_author_meta( 'display_name', $author_id ) ); $href = get_author_feed_link( $author_id ); } } elseif ( is_search() ) { /** * Filters whether to display the search results feed link. * * @since 6.1.0 * * @param bool $show Whether to display the search results feed link. Default true. */ $show_search_feed = apply_filters( 'feed_links_extra_show_search_feed', true ); if ( $show_search_feed ) { $title = sprintf( $args['searchtitle'], get_bloginfo( 'name' ), $args['separator'], get_search_query( false ) ); $href = get_search_feed_link(); } } if ( isset( $title ) && isset( $href ) ) { printf( '<link rel="alternate" type="%s" title="%s" href="%s" />' . "\n", feed_content_type(), esc_attr( $title ), esc_url( $href ) ); } } /** * Displays the link to the Really Simple Discovery service endpoint. * * @link http://archipelago.phrasewise.com/rsd * @since 2.0.0 */ function rsd_link() { printf( '<link rel="EditURI" type="application/rsd+xml" title="RSD" href="%s" />' . "\n", esc_url( site_url( 'xmlrpc.php?rsd', 'rpc' ) ) ); } /** * Displays a referrer `strict-origin-when-cross-origin` meta tag. * * Outputs a referrer `strict-origin-when-cross-origin` meta tag that tells the browser not to send * the full URL as a referrer to other sites when cross-origin assets are loaded. * * Typical usage is as a {@see 'wp_head'} callback: * * add_action( 'wp_head', 'wp_strict_cross_origin_referrer' ); * * @since 5.7.0 */ function wp_strict_cross_origin_referrer() { ?> <meta name='referrer' content='strict-origin-when-cross-origin' /> <?php } /** * Displays site icon meta tags. * * @since 4.3.0 * * @link https://www.whatwg.org/specs/web-apps/current-work/multipage/links.html#rel-icon HTML5 specification link icon. */ function wp_site_icon() { if ( ! has_site_icon() && ! is_customize_preview() ) { return; } $meta_tags = array(); $icon_32 = get_site_icon_url( 32 ); if ( empty( $icon_32 ) && is_customize_preview() ) { $icon_32 = '/favicon.ico'; // Serve default favicon URL in customizer so element can be updated for preview. } if ( $icon_32 ) { $meta_tags[] = sprintf( '<link rel="icon" href="%s" sizes="32x32" />', esc_url( $icon_32 ) ); } $icon_192 = get_site_icon_url( 192 ); if ( $icon_192 ) { $meta_tags[] = sprintf( '<link rel="icon" href="%s" sizes="192x192" />', esc_url( $icon_192 ) ); } $icon_180 = get_site_icon_url( 180 ); if ( $icon_180 ) { $meta_tags[] = sprintf( '<link rel="apple-touch-icon" href="%s" />', esc_url( $icon_180 ) ); } $icon_270 = get_site_icon_url( 270 ); if ( $icon_270 ) { $meta_tags[] = sprintf( '<meta name="msapplication-TileImage" content="%s" />', esc_url( $icon_270 ) ); } /** * Filters the site icon meta tags, so plugins can add their own. * * @since 4.3.0 * * @param string[] $meta_tags Array of Site Icon meta tags. */ $meta_tags = apply_filters( 'site_icon_meta_tags', $meta_tags ); $meta_tags = array_filter( $meta_tags ); foreach ( $meta_tags as $meta_tag ) { echo "$meta_tag\n"; } } /** * Prints resource hints to browsers for pre-fetching, pre-rendering * and pre-connecting to websites. * * Gives hints to browsers to prefetch specific pages or render them * in the background, to perform DNS lookups or to begin the connection * handshake (DNS, TCP, TLS) in the background. * * These performance improving indicators work by using `<link rel"…">`. * * @since 4.6.0 */ function wp_resource_hints() { $hints = array( 'dns-prefetch' => wp_dependencies_unique_hosts(), 'preconnect' => array(), 'prefetch' => array(), 'prerender' => array(), ); foreach ( $hints as $relation_type => $urls ) { $unique_urls = array(); /** * Filters domains and URLs for resource hints of the given relation type. * * @since 4.6.0 * @since 4.7.0 The `$urls` parameter accepts arrays of specific HTML attributes * as its child elements. * * @param array $urls { * Array of resources and their attributes, or URLs to print for resource hints. * * @type array|string ...$0 { * Array of resource attributes, or a URL string. * * @type string $href URL to include in resource hints. Required. * @type string $as How the browser should treat the resource * (`script`, `style`, `image`, `document`, etc). * @type string $crossorigin Indicates the CORS policy of the specified resource. * @type float $pr Expected probability that the resource hint will be used. * @type string $type Type of the resource (`text/html`, `text/css`, etc). * } * } * @param string $relation_type The relation type the URLs are printed for. One of * 'dns-prefetch', 'preconnect', 'prefetch', or 'prerender'. */ $urls = apply_filters( 'wp_resource_hints', $urls, $relation_type ); foreach ( $urls as $key => $url ) { $atts = array(); if ( is_array( $url ) ) { if ( isset( $url['href'] ) ) { $atts = $url; $url = $url['href']; } else { continue; } } $url = esc_url( $url, array( 'http', 'https' ) ); if ( ! $url ) { continue; } if ( isset( $unique_urls[ $url ] ) ) { continue; } if ( in_array( $relation_type, array( 'preconnect', 'dns-prefetch' ), true ) ) { $parsed = wp_parse_url( $url ); if ( empty( $parsed['host'] ) ) { continue; } if ( 'preconnect' === $relation_type && ! empty( $parsed['scheme'] ) ) { $url = $parsed['scheme'] . '://' . $parsed['host']; } else { // Use protocol-relative URLs for dns-prefetch or if scheme is missing. $url = '//' . $parsed['host']; } } $atts['rel'] = $relation_type; $atts['href'] = $url; $unique_urls[ $url ] = $atts; } foreach ( $unique_urls as $atts ) { $html = ''; foreach ( $atts as $attr => $value ) { if ( ! is_scalar( $value ) || ( ! in_array( $attr, array( 'as', 'crossorigin', 'href', 'pr', 'rel', 'type' ), true ) && ! is_numeric( $attr ) ) ) { continue; } $value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value ); if ( ! is_string( $attr ) ) { $html .= " $value"; } else { $html .= " $attr='$value'"; } } $html = trim( $html ); echo "<link $html />\n"; } } } /** * Prints resource preloads directives to browsers. * * Gives directive to browsers to preload specific resources that website will * need very soon, this ensures that they are available earlier and are less * likely to block the page's render. Preload directives should not be used for * non-render-blocking elements, as then they would compete with the * render-blocking ones, slowing down the render. * * These performance improving indicators work by using `<link rel="preload">`. * * @link https://developer.mozilla.org/en-US/docs/Web/HTML/Link_types/preload * @link https://web.dev/preload-responsive-images/ * * @since 6.1.0 */ function wp_preload_resources() { /** * Filters domains and URLs for resource preloads. * * @since 6.1.0 * @since 6.6.0 Added the `$fetchpriority` attribute. * * @param array $preload_resources { * Array of resources and their attributes, or URLs to print for resource preloads. * * @type array ...$0 { * Array of resource attributes. * * @type string $href URL to include in resource preloads. Required. * @type string $as How the browser should treat the resource * (`script`, `style`, `image`, `document`, etc). * @type string $crossorigin Indicates the CORS policy of the specified resource. * @type string $type Type of the resource (`text/html`, `text/css`, etc). * @type string $media Accepts media types or media queries. Allows responsive preloading. * @type string $imagesizes Responsive source size to the source Set. * @type string $imagesrcset Responsive image sources to the source set. * @type string $fetchpriority Fetchpriority value for the resource. * } * } */ $preload_resources = apply_filters( 'wp_preload_resources', array() ); if ( ! is_array( $preload_resources ) ) { return; } $unique_resources = array(); // Parse the complete resource list and extract unique resources. foreach ( $preload_resources as $resource ) { if ( ! is_array( $resource ) ) { continue; } $attributes = $resource; if ( isset( $resource['href'] ) ) { $href = $resource['href']; if ( isset( $unique_resources[ $href ] ) ) { continue; } $unique_resources[ $href ] = $attributes; // Media can use imagesrcset and not href. } elseif ( ( 'image' === $resource['as'] ) && ( isset( $resource['imagesrcset'] ) || isset( $resource['imagesizes'] ) ) ) { if ( isset( $unique_resources[ $resource['imagesrcset'] ] ) ) { continue; } $unique_resources[ $resource['imagesrcset'] ] = $attributes; } else { continue; } } // Build and output the HTML for each unique resource. foreach ( $unique_resources as $unique_resource ) { $html = ''; foreach ( $unique_resource as $resource_key => $resource_value ) { if ( ! is_scalar( $resource_value ) ) { continue; } // Ignore non-supported attributes. $non_supported_attributes = array( 'as', 'crossorigin', 'href', 'imagesrcset', 'imagesizes', 'type', 'media', 'fetchpriority' ); if ( ! in_array( $resource_key, $non_supported_attributes, true ) && ! is_numeric( $resource_key ) ) { continue; } // imagesrcset only usable when preloading image, ignore otherwise. if ( ( 'imagesrcset' === $resource_key ) && ( ! isset( $unique_resource['as'] ) || ( 'image' !== $unique_resource['as'] ) ) ) { continue; } // imagesizes only usable when preloading image and imagesrcset present, ignore otherwise. if ( ( 'imagesizes' === $resource_key ) && ( ! isset( $unique_resource['as'] ) || ( 'image' !== $unique_resource['as'] ) || ! isset( $unique_resource['imagesrcset'] ) ) ) { continue; } $resource_value = ( 'href' === $resource_key ) ? esc_url( $resource_value, array( 'http', 'https' ) ) : esc_attr( $resource_value ); if ( ! is_string( $resource_key ) ) { $html .= " $resource_value"; } else { $html .= " $resource_key='$resource_value'"; } } $html = trim( $html ); printf( "<link rel='preload' %s />\n", $html ); } } /** * Retrieves a list of unique hosts of all enqueued scripts and styles. * * @since 4.6.0 * * @global WP_Scripts $wp_scripts The WP_Scripts object for printing scripts. * @global WP_Styles $wp_styles The WP_Styles object for printing styles. * * @return string[] A list of unique hosts of enqueued scripts and styles. */ function wp_dependencies_unique_hosts() { global $wp_scripts, $wp_styles; $unique_hosts = array(); foreach ( array( $wp_scripts, $wp_styles ) as $dependencies ) { if ( $dependencies instanceof WP_Dependencies && ! empty( $dependencies->queue ) ) { foreach ( $dependencies->queue as $handle ) { if ( ! isset( $dependencies->registered[ $handle ] ) ) { continue; } /* @var _WP_Dependency $dependency */ $dependency = $dependencies->registered[ $handle ]; $parsed = wp_parse_url( $dependency->src ); if ( ! empty( $parsed['host'] ) && ! in_array( $parsed['host'], $unique_hosts, true ) && $parsed['host'] !== $_SERVER['SERVER_NAME'] ) { $unique_hosts[] = $parsed['host']; } } } } return $unique_hosts; } /** * Determines whether the user can access the visual editor. * * Checks if the user can access the visual editor and that it's supported by the user's browser. * * @since 2.0.0 * * @global bool $wp_rich_edit Whether the user can access the visual editor. * @global bool $is_gecko Whether the browser is Gecko-based. * @global bool $is_opera Whether the browser is Opera. * @global bool $is_safari Whether the browser is Safari. * @global bool $is_chrome Whether the browser is Chrome. * @global bool $is_IE Whether the browser is Internet Explorer. * @global bool $is_edge Whether the browser is Microsoft Edge. * * @return bool True if the user can access the visual editor, false otherwise. */ function user_can_richedit() { global $wp_rich_edit, $is_gecko, $is_opera, $is_safari, $is_chrome, $is_IE, $is_edge; if ( ! isset( $wp_rich_edit ) ) { $wp_rich_edit = false; if ( 'true' === get_user_option( 'rich_editing' ) || ! is_user_logged_in() ) { // Default to 'true' for logged out users. if ( $is_safari ) { $wp_rich_edit = ! wp_is_mobile() || ( preg_match( '!AppleWebKit/(\d+)!', $_SERVER['HTTP_USER_AGENT'], $match ) && (int) $match[1] >= 534 ); } elseif ( $is_IE ) { $wp_rich_edit = str_contains( $_SERVER['HTTP_USER_AGENT'], 'Trident/7.0;' ); } elseif ( $is_gecko || $is_chrome || $is_edge || ( $is_opera && ! wp_is_mobile() ) ) { $wp_rich_edit = true; } } } /** * Filters whether the user can access the visual editor. * * @since 2.1.0 * * @param bool $wp_rich_edit Whether the user can access the visual editor. */ return apply_filters( 'user_can_richedit', $wp_rich_edit ); } /** * Finds out which editor should be displayed by default. * * Works out which of the editors to display as the current editor for a * user. The 'html' setting is for the "Text" editor tab. * * @since 2.5.0 * * @return string Either 'tinymce', 'html', or 'test' */ function wp_default_editor() { $r = user_can_richedit() ? 'tinymce' : 'html'; // Defaults. if ( wp_get_current_user() ) { // Look for cookie. $ed = get_user_setting( 'editor', 'tinymce' ); $r = ( in_array( $ed, array( 'tinymce', 'html', 'test' ), true ) ) ? $ed : $r; } /** * Filters which editor should be displayed by default. * * @since 2.5.0 * * @param string $r Which editor should be displayed by default. Either 'tinymce', 'html', or 'test'. */ return apply_filters( 'wp_default_editor', $r ); } /** * Renders an editor. * * Using this function is the proper way to output all needed components for both TinyMCE and Quicktags. * _WP_Editors should not be used directly. See https://core.trac.wordpress.org/ticket/17144. * * NOTE: Once initialized the TinyMCE editor cannot be safely moved in the DOM. For that reason * running wp_editor() inside of a meta box is not a good idea unless only Quicktags is used. * On the post edit screen several actions can be used to include additional editors * containing TinyMCE: 'edit_page_form', 'edit_form_advanced' and 'dbx_post_sidebar'. * See https://core.trac.wordpress.org/ticket/19173 for more information. * * @see _WP_Editors::editor() * @see _WP_Editors::parse_settings() * @since 3.3.0 * * @param string $content Initial content for the editor. * @param string $editor_id HTML ID attribute value for the textarea and TinyMCE. * Should not contain square brackets. * @param array $settings See _WP_Editors::parse_settings() for description. */ function wp_editor( $content, $editor_id, $settings = array() ) { if ( ! class_exists( '_WP_Editors', false ) ) { require ABSPATH . WPINC . '/class-wp-editor.php'; } _WP_Editors::editor( $content, $editor_id, $settings ); } /** * Outputs the editor scripts, stylesheets, and default settings. * * The editor can be initialized when needed after page load. * See wp.editor.initialize() in wp-admin/js/editor.js for initialization options. * * @uses _WP_Editors * @since 4.8.0 */ function wp_enqueue_editor() { if ( ! class_exists( '_WP_Editors', false ) ) { require ABSPATH . WPINC . '/class-wp-editor.php'; } _WP_Editors::enqueue_default_editor(); } /** * Enqueues assets needed by the code editor for the given settings. * * @since 4.9.0 * * @see wp_enqueue_editor() * @see wp_get_code_editor_settings(); * @see _WP_Editors::parse_settings() * * @param array $args { * Args. * * @type string $type The MIME type of the file to be edited. * @type string $file Filename to be edited. Extension is used to sniff the type. Can be supplied as alternative to `$type` param. * @type WP_Theme $theme Theme being edited when on the theme file editor. * @type string $plugin Plugin being edited when on the plugin file editor. * @type array $codemirror Additional CodeMirror setting overrides. * @type array $csslint CSSLint rule overrides. * @type array $jshint JSHint rule overrides. * @type array $htmlhint HTMLHint rule overrides. * } * @return array|false Settings for the enqueued code editor, or false if the editor was not enqueued. */ function wp_enqueue_code_editor( $args ) { if ( is_user_logged_in() && 'false' === wp_get_current_user()->syntax_highlighting ) { return false; } $settings = wp_get_code_editor_settings( $args ); if ( empty( $settings ) || empty( $settings['codemirror'] ) ) { return false; } wp_enqueue_script( 'code-editor' ); wp_enqueue_style( 'code-editor' ); if ( isset( $settings['codemirror']['mode'] ) ) { $mode = $settings['codemirror']['mode']; if ( is_string( $mode ) ) { $mode = array( 'name' => $mode, ); } if ( ! empty( $settings['codemirror']['lint'] ) ) { switch ( $mode['name'] ) { case 'css': case 'text/css': case 'text/x-scss': case 'text/x-less': wp_enqueue_script( 'csslint' ); break; case 'htmlmixed': case 'text/html': case 'php': case 'application/x-httpd-php': case 'text/x-php': wp_enqueue_script( 'htmlhint' ); wp_enqueue_script( 'csslint' ); wp_enqueue_script( 'jshint' ); if ( ! current_user_can( 'unfiltered_html' ) ) { wp_enqueue_script( 'htmlhint-kses' ); } break; case 'javascript': case 'application/ecmascript': case 'application/json': case 'application/javascript': case 'application/ld+json': case 'text/typescript': case 'application/typescript': wp_enqueue_script( 'jshint' ); wp_enqueue_script( 'jsonlint' ); break; } } } wp_add_inline_script( 'code-editor', sprintf( 'jQuery.extend( wp.codeEditor.defaultSettings, %s );', wp_json_encode( $settings ) ) ); /** * Fires when scripts and styles are enqueued for the code editor. * * @since 4.9.0 * * @param array $settings Settings for the enqueued code editor. */ do_action( 'wp_enqueue_code_editor', $settings ); return $settings; } /** * Generates and returns code editor settings. * * @since 5.0.0 * * @see wp_enqueue_code_editor() * * @param array $args { * Args. * * @type string $type The MIME type of the file to be edited. * @type string $file Filename to be edited. Extension is used to sniff the type. Can be supplied as alternative to `$type` param. * @type WP_Theme $theme Theme being edited when on the theme file editor. * @type string $plugin Plugin being edited when on the plugin file editor. * @type array $codemirror Additional CodeMirror setting overrides. * @type array $csslint CSSLint rule overrides. * @type array $jshint JSHint rule overrides. * @type array $htmlhint HTMLHint rule overrides. * } * @return array|false Settings for the code editor. */ function wp_get_code_editor_settings( $args ) { $settings = array( 'codemirror' => array( 'indentUnit' => 4, 'indentWithTabs' => true, 'inputStyle' => 'contenteditable', 'lineNumbers' => true, 'lineWrapping' => true, 'styleActiveLine' => true, 'continueComments' => true, 'extraKeys' => array( 'Ctrl-Space' => 'autocomplete', 'Ctrl-/' => 'toggleComment', 'Cmd-/' => 'toggleComment', 'Alt-F' => 'findPersistent', 'Ctrl-F' => 'findPersistent', 'Cmd-F' => 'findPersistent', ), 'direction' => 'ltr', // Code is shown in LTR even in RTL languages. 'gutters' => array(), ), 'csslint' => array( 'errors' => true, // Parsing errors. 'box-model' => true, 'display-property-grouping' => true, 'duplicate-properties' => true, 'known-properties' => true, 'outline-none' => true, ), 'jshint' => array( // The following are copied from <https://github.com/WordPress/wordpress-develop/blob/4.8.1/.jshintrc>. 'boss' => true, 'curly' => true, 'eqeqeq' => true, 'eqnull' => true, 'es3' => true, 'expr' => true, 'immed' => true, 'noarg' => true, 'nonbsp' => true, 'onevar' => true, 'quotmark' => 'single', 'trailing' => true, 'undef' => true, 'unused' => true, 'browser' => true, 'globals' => array( '_' => false, 'Backbone' => false, 'jQuery' => false, 'JSON' => false, 'wp' => false, ), ), 'htmlhint' => array( 'tagname-lowercase' => true, 'attr-lowercase' => true, 'attr-value-double-quotes' => false, 'doctype-first' => false, 'tag-pair' => true, 'spec-char-escape' => true, 'id-unique' => true, 'src-not-empty' => true, 'attr-no-duplication' => true, 'alt-require' => true, 'space-tab-mixed-disabled' => 'tab', 'attr-unsafe-chars' => true, ), ); $type = ''; if ( isset( $args['type'] ) ) { $type = $args['type']; // Remap MIME types to ones that CodeMirror modes will recognize. if ( 'application/x-patch' === $type || 'text/x-patch' === $type ) { $type = 'text/x-diff'; } } elseif ( isset( $args['file'] ) && str_contains( basename( $args['file'] ), '.' ) ) { $extension = strtolower( pathinfo( $args['file'], PATHINFO_EXTENSION ) ); foreach ( wp_get_mime_types() as $exts => $mime ) { if ( preg_match( '!^(' . $exts . ')$!i', $extension ) ) { $type = $mime; break; } } // Supply any types that are not matched by wp_get_mime_types(). if ( empty( $type ) ) { switch ( $extension ) { case 'conf': $type = 'text/nginx'; break; case 'css': $type = 'text/css'; break; case 'diff': case 'patch': $type = 'text/x-diff'; break; case 'html': case 'htm': $type = 'text/html'; break; case 'http': $type = 'message/http'; break; case 'js': $type = 'text/javascript'; break; case 'json': $type = 'application/json'; break; case 'jsx': $type = 'text/jsx'; break; case 'less': $type = 'text/x-less'; break; case 'md': $type = 'text/x-gfm'; break; case 'php': case 'phtml': case 'php3': case 'php4': case 'php5': case 'php7': case 'phps': $type = 'application/x-httpd-php'; break; case 'scss': $type = 'text/x-scss'; break; case 'sass': $type = 'text/x-sass'; break; case 'sh': case 'bash': $type = 'text/x-sh'; break; case 'sql': $type = 'text/x-sql'; break; case 'svg': $type = 'application/svg+xml'; break; case 'xml': $type = 'text/xml'; break; case 'yml': case 'yaml': $type = 'text/x-yaml'; break; case 'txt': default: $type = 'text/plain'; break; } } } if ( in_array( $type, array( 'text/css', 'text/x-scss', 'text/x-less', 'text/x-sass' ), true ) ) { $settings['codemirror'] = array_merge( $settings['codemirror'], array( 'mode' => $type, 'lint' => false, 'autoCloseBrackets' => true, 'matchBrackets' => true, ) ); } elseif ( 'text/x-diff' === $type ) { $settings['codemirror'] = array_merge( $settings['codemirror'], array( 'mode' => 'diff', ) ); } elseif ( 'text/html' === $type ) { $settings['codemirror'] = array_merge( $settings['codemirror'], array( 'mode' => 'htmlmixed', 'lint' => true, 'autoCloseBrackets' => true, 'autoCloseTags' => true, 'matchTags' => array( 'bothTags' => true, ), ) ); if ( ! current_user_can( 'unfiltered_html' ) ) { $settings['htmlhint']['kses'] = wp_kses_allowed_html( 'post' ); } } elseif ( 'text/x-gfm' === $type ) { $settings['codemirror'] = array_merge( $settings['codemirror'], array( 'mode' => 'gfm', 'highlightFormatting' => true, ) ); } elseif ( 'application/javascript' === $type || 'text/javascript' === $type ) { $settings['codemirror'] = array_merge( $settings['codemirror'], array( 'mode' => 'javascript', 'lint' => true, 'autoCloseBrackets' => true, 'matchBrackets' => true, ) ); } elseif ( str_contains( $type, 'json' ) ) { $settings['codemirror'] = array_merge( $settings['codemirror'], array( 'mode' => array( 'name' => 'javascript', ), 'lint' => true, 'autoCloseBrackets' => true, 'matchBrackets' => true, ) ); if ( 'application/ld+json' === $type ) { $settings['codemirror']['mode']['jsonld'] = true; } else { $settings['codemirror']['mode']['json'] = true; } } elseif ( str_contains( $type, 'jsx' ) ) { $settings['codemirror'] = array_merge( $settings['codemirror'], array( 'mode' => 'jsx', 'autoCloseBrackets' => true, 'matchBrackets' => true, ) ); } elseif ( 'text/x-markdown' === $type ) { $settings['codemirror'] = array_merge( $settings['codemirror'], array( 'mode' => 'markdown', 'highlightFormatting' => true, ) ); } elseif ( 'text/nginx' === $type ) { $settings['codemirror'] = array_merge( $settings['codemirror'], array( 'mode' => 'nginx', ) ); } elseif ( 'application/x-httpd-php' === $type ) { $settings['codemirror'] = array_merge( $settings['codemirror'], array( 'mode' => 'php', 'autoCloseBrackets' => true, 'autoCloseTags' => true, 'matchBrackets' => true, 'matchTags' => array( 'bothTags' => true, ), ) ); } elseif ( 'text/x-sql' === $type || 'text/x-mysql' === $type ) { $settings['codemirror'] = array_merge( $settings['codemirror'], array( 'mode' => 'sql', 'autoCloseBrackets' => true, 'matchBrackets' => true, ) ); } elseif ( str_contains( $type, 'xml' ) ) { $settings['codemirror'] = array_merge( $settings['codemirror'], array( 'mode' => 'xml', 'autoCloseBrackets' => true, 'autoCloseTags' => true, 'matchTags' => array( 'bothTags' => true, ), ) ); } elseif ( 'text/x-yaml' === $type ) { $settings['codemirror'] = array_merge( $settings['codemirror'], array( 'mode' => 'yaml', ) ); } else { $settings['codemirror']['mode'] = $type; } if ( ! empty( $settings['codemirror']['lint'] ) ) { $settings['codemirror']['gutters'][] = 'CodeMirror-lint-markers'; } // Let settings supplied via args override any defaults. foreach ( wp_array_slice_assoc( $args, array( 'codemirror', 'csslint', 'jshint', 'htmlhint' ) ) as $key => $value ) { $settings[ $key ] = array_merge( $settings[ $key ], $value ); } /** * Filters settings that are passed into the code editor. * * Returning a falsey value will disable the syntax-highlighting code editor. * * @since 4.9.0 * * @param array $settings The array of settings passed to the code editor. * A falsey value disables the editor. * @param array $args { * Args passed when calling `get_code_editor_settings()`. * * @type string $type The MIME type of the file to be edited. * @type string $file Filename being edited. * @type WP_Theme $theme Theme being edited when on the theme file editor. * @type string $plugin Plugin being edited when on the plugin file editor. * @type array $codemirror Additional CodeMirror setting overrides. * @type array $csslint CSSLint rule overrides. * @type array $jshint JSHint rule overrides. * @type array $htmlhint HTMLHint rule overrides. * } */ return apply_filters( 'wp_code_editor_settings', $settings, $args ); } /** * Retrieves the contents of the search WordPress query variable. * * The search query string is passed through esc_attr() to ensure that it is safe * for placing in an HTML attribute. * * @since 2.3.0 * * @param bool $escaped Whether the result is escaped. Default true. * Only use when you are later escaping it. Do not use unescaped. * @return string */ function get_search_query( $escaped = true ) { /** * Filters the contents of the search query variable. * * @since 2.3.0 * * @param mixed $search Contents of the search query variable. */ $query = apply_filters( 'get_search_query', get_query_var( 's' ) ); if ( $escaped ) { $query = esc_attr( $query ); } return $query; } /** * Displays the contents of the search query variable. * * The search query string is passed through esc_attr() to ensure that it is safe * for placing in an HTML attribute. * * @since 2.1.0 */ function the_search_query() { /** * Filters the contents of the search query variable for display. * * @since 2.3.0 * * @param mixed $search Contents of the search query variable. */ echo esc_attr( apply_filters( 'the_search_query', get_search_query( false ) ) ); } /** * Gets the language attributes for the 'html' tag. * * Builds up a set of HTML attributes containing the text direction and language * information for the page. * * @since 4.3.0 * * @param string $doctype Optional. The type of HTML document. Accepts 'xhtml' or 'html'. Default 'html'. * @return string A space-separated list of language attributes. */ function get_language_attributes( $doctype = 'html' ) { $attributes = array(); if ( function_exists( 'is_rtl' ) && is_rtl() ) { $attributes[] = 'dir="rtl"'; } $lang = get_bloginfo( 'language' ); if ( $lang ) { if ( 'text/html' === get_option( 'html_type' ) || 'html' === $doctype ) { $attributes[] = 'lang="' . esc_attr( $lang ) . '"'; } if ( 'text/html' !== get_option( 'html_type' ) || 'xhtml' === $doctype ) { $attributes[] = 'xml:lang="' . esc_attr( $lang ) . '"'; } } $output = implode( ' ', $attributes ); /** * Filters the language attributes for display in the 'html' tag. * * @since 2.5.0 * @since 4.3.0 Added the `$doctype` parameter. * * @param string $output A space-separated list of language attributes. * @param string $doctype The type of HTML document (xhtml|html). */ return apply_filters( 'language_attributes', $output, $doctype ); } /** * Displays the language attributes for the 'html' tag. * * Builds up a set of HTML attributes containing the text direction and language * information for the page. * * @since 2.1.0 * @since 4.3.0 Converted into a wrapper for get_language_attributes(). * * @param string $doctype Optional. The type of HTML document. Accepts 'xhtml' or 'html'. Default 'html'. */ function language_attributes( $doctype = 'html' ) { echo get_language_attributes( $doctype ); } /** * Retrieves paginated links for archive post pages. * * Technically, the function can be used to create paginated link list for any * area. The 'base' argument is used to reference the url, which will be used to * create the paginated links. The 'format' argument is then used for replacing * the page number. It is however, most likely and by default, to be used on the * archive post pages. * * The 'type' argument controls format of the returned value. The default is * 'plain', which is just a string with the links separated by a newline * character. The other possible values are either 'array' or 'list'. The * 'array' value will return an array of the paginated link list to offer full * control of display. The 'list' value will place all of the paginated links in * an unordered HTML list. * * The 'total' argument is the total amount of pages and is an integer. The * 'current' argument is the current page number and is also an integer. * * An example of the 'base' argument is "http://example.com/all_posts.php%_%" * and the '%_%' is required. The '%_%' will be replaced by the contents of in * the 'format' argument. An example for the 'format' argument is "?page=%#%" * and the '%#%' is also required. The '%#%' will be replaced with the page * number. * * You can include the previous and next links in the list by setting the * 'prev_next' argument to true, which it is by default. You can set the * previous text, by using the 'prev_text' argument. You can set the next text * by setting the 'next_text' argument. * * If the 'show_all' argument is set to true, then it will show all of the pages * instead of a short list of the pages near the current page. By default, the * 'show_all' is set to false and controlled by the 'end_size' and 'mid_size' * arguments. The 'end_size' argument is how many numbers on either the start * and the end list edges, by default is 1. The 'mid_size' argument is how many * numbers to either side of current page, but not including current page. * * It is possible to add query vars to the link by using the 'add_args' argument * and see add_query_arg() for more information. * * The 'before_page_number' and 'after_page_number' arguments allow users to * augment the links themselves. Typically this might be to add context to the * numbered links so that screen reader users understand what the links are for. * The text strings are added before and after the page number - within the * anchor tag. * * @since 2.1.0 * @since 4.9.0 Added the `aria_current` argument. * * @global WP_Query $wp_query WordPress Query object. * @global WP_Rewrite $wp_rewrite WordPress rewrite component. * * @param string|array $args { * Optional. Array or string of arguments for generating paginated links for archives. * * @type string $base Base of the paginated url. Default empty. * @type string $format Format for the pagination structure. Default empty. * @type int $total The total amount of pages. Default is the value WP_Query's * `max_num_pages` or 1. * @type int $current The current page number. Default is 'paged' query var or 1. * @type string $aria_current The value for the aria-current attribute. Possible values are 'page', * 'step', 'location', 'date', 'time', 'true', 'false'. Default is 'page'. * @type bool $show_all Whether to show all pages. Default false. * @type int $end_size How many numbers on either the start and the end list edges. * Default 1. * @type int $mid_size How many numbers to either side of the current pages. Default 2. * @type bool $prev_next Whether to include the previous and next links in the list. Default true. * @type string $prev_text The previous page text. Default '« Previous'. * @type string $next_text The next page text. Default 'Next »'. * @type string $type Controls format of the returned value. Possible values are 'plain', * 'array' and 'list'. Default is 'plain'. * @type array $add_args An array of query args to add. Default false. * @type string $add_fragment A string to append to each link. Default empty. * @type string $before_page_number A string to appear before the page number. Default empty. * @type string $after_page_number A string to append after the page number. Default empty. * } * @return string|string[]|void String of page links or array of page links, depending on 'type' argument. * Void if total number of pages is less than 2. */ function paginate_links( $args = '' ) { global $wp_query, $wp_rewrite; // Setting up default values based on the current URL. $pagenum_link = html_entity_decode( get_pagenum_link() ); $url_parts = explode( '?', $pagenum_link ); // Get max pages and current page out of the current query, if available. $total = isset( $wp_query->max_num_pages ) ? $wp_query->max_num_pages : 1; $current = get_query_var( 'paged' ) ? (int) get_query_var( 'paged' ) : 1; // Append the format placeholder to the base URL. $pagenum_link = trailingslashit( $url_parts[0] ) . '%_%'; // URL base depends on permalink settings. $format = $wp_rewrite->using_index_permalinks() && ! strpos( $pagenum_link, 'index.php' ) ? 'index.php/' : ''; $format .= $wp_rewrite->using_permalinks() ? user_trailingslashit( $wp_rewrite->pagination_base . '/%#%', 'paged' ) : '?paged=%#%'; $defaults = array( 'base' => $pagenum_link, // http://example.com/all_posts.php%_% : %_% is replaced by format (below). 'format' => $format, // ?page=%#% : %#% is replaced by the page number. 'total' => $total, 'current' => $current, 'aria_current' => 'page', 'show_all' => false, 'prev_next' => true, 'prev_text' => __( '« Previous' ), 'next_text' => __( 'Next »' ), 'end_size' => 1, 'mid_size' => 2, 'type' => 'plain', 'add_args' => array(), // Array of query args to add. 'add_fragment' => '', 'before_page_number' => '', 'after_page_number' => '', ); $args = wp_parse_args( $args, $defaults ); if ( ! is_array( $args['add_args'] ) ) { $args['add_args'] = array(); } // Merge additional query vars found in the original URL into 'add_args' array. if ( isset( $url_parts[1] ) ) { // Find the format argument. $format = explode( '?', str_replace( '%_%', $args['format'], $args['base'] ) ); $format_query = isset( $format[1] ) ? $format[1] : ''; wp_parse_str( $format_query, $format_args ); // Find the query args of the requested URL. wp_parse_str( $url_parts[1], $url_query_args ); // Remove the format argument from the array of query arguments, to avoid overwriting custom format. foreach ( $format_args as $format_arg => $format_arg_value ) { unset( $url_query_args[ $format_arg ] ); } $args['add_args'] = array_merge( $args['add_args'], urlencode_deep( $url_query_args ) ); } // Who knows what else people pass in $args. $total = (int) $args['total']; if ( $total < 2 ) { return; } $current = (int) $args['current']; $end_size = (int) $args['end_size']; // Out of bounds? Make it the default. if ( $end_size < 1 ) { $end_size = 1; } $mid_size = (int) $args['mid_size']; if ( $mid_size < 0 ) { $mid_size = 2; } $add_args = $args['add_args']; $r = ''; $page_links = array(); $dots = false; if ( $args['prev_next'] && $current && 1 < $current ) : $link = str_replace( '%_%', 2 == $current ? '' : $args['format'], $args['base'] ); $link = str_replace( '%#%', $current - 1, $link ); if ( $add_args ) { $link = add_query_arg( $add_args, $link ); } $link .= $args['add_fragment']; $page_links[] = sprintf( '<a class="prev page-numbers" href="%s">%s</a>', /** * Filters the paginated links for the given archive pages. * * @since 3.0.0 * * @param string $link The paginated link URL. */ esc_url( apply_filters( 'paginate_links', $link ) ), $args['prev_text'] ); endif; for ( $n = 1; $n <= $total; $n++ ) : if ( $n == $current ) : $page_links[] = sprintf( '<span aria-current="%s" class="page-numbers current">%s</span>', esc_attr( $args['aria_current'] ), $args['before_page_number'] . number_format_i18n( $n ) . $args['after_page_number'] ); $dots = true; else : if ( $args['show_all'] || ( $n <= $end_size || ( $current && $n >= $current - $mid_size && $n <= $current + $mid_size ) || $n > $total - $end_size ) ) : $link = str_replace( '%_%', 1 == $n ? '' : $args['format'], $args['base'] ); $link = str_replace( '%#%', $n, $link ); if ( $add_args ) { $link = add_query_arg( $add_args, $link ); } $link .= $args['add_fragment']; $page_links[] = sprintf( '<a class="page-numbers" href="%s">%s</a>', /** This filter is documented in wp-includes/general-template.php */ esc_url( apply_filters( 'paginate_links', $link ) ), $args['before_page_number'] . number_format_i18n( $n ) . $args['after_page_number'] ); $dots = true; elseif ( $dots && ! $args['show_all'] ) : $page_links[] = '<span class="page-numbers dots">' . __( '…' ) . '</span>'; $dots = false; endif; endif; endfor; if ( $args['prev_next'] && $current && $current < $total ) : $link = str_replace( '%_%', $args['format'], $args['base'] ); $link = str_replace( '%#%', $current + 1, $link ); if ( $add_args ) { $link = add_query_arg( $add_args, $link ); } $link .= $args['add_fragment']; $page_links[] = sprintf( '<a class="next page-numbers" href="%s">%s</a>', /** This filter is documented in wp-includes/general-template.php */ esc_url( apply_filters( 'paginate_links', $link ) ), $args['next_text'] ); endif; switch ( $args['type'] ) { case 'array': return $page_links; case 'list': $r .= "<ul class='page-numbers'>\n\t<li>"; $r .= implode( "</li>\n\t<li>", $page_links ); $r .= "</li>\n</ul>\n"; break; default: $r = implode( "\n", $page_links ); break; } /** * Filters the HTML output of paginated links for archives. * * @since 5.7.0 * * @param string $r HTML output. * @param array $args An array of arguments. See paginate_links() * for information on accepted arguments. */ $r = apply_filters( 'paginate_links_output', $r, $args ); return $r; } /** * Registers an admin color scheme css file. * * Allows a plugin to register a new admin color scheme. For example: * * wp_admin_css_color( 'classic', __( 'Classic' ), admin_url( "css/colors-classic.css" ), array( * '#07273E', '#14568A', '#D54E21', '#2683AE' * ) ); * * @since 2.5.0 * * @global array $_wp_admin_css_colors * * @param string $key The unique key for this theme. * @param string $name The name of the theme. * @param string $url The URL of the CSS file containing the color scheme. * @param array $colors Optional. An array of CSS color definition strings which are used * to give the user a feel for the theme. * @param array $icons { * Optional. CSS color definitions used to color any SVG icons. * * @type string $base SVG icon base color. * @type string $focus SVG icon color on focus. * @type string $current SVG icon color of current admin menu link. * } */ function wp_admin_css_color( $key, $name, $url, $colors = array(), $icons = array() ) { global $_wp_admin_css_colors; if ( ! isset( $_wp_admin_css_colors ) ) { $_wp_admin_css_colors = array(); } $_wp_admin_css_colors[ $key ] = (object) array( 'name' => $name, 'url' => $url, 'colors' => $colors, 'icon_colors' => $icons, ); } /** * Registers the default admin color schemes. * * Registers the initial set of eight color schemes in the Profile section * of the dashboard which allows for styling the admin menu and toolbar. * * @see wp_admin_css_color() * * @since 3.0.0 */ function register_admin_color_schemes() { $suffix = is_rtl() ? '-rtl' : ''; $suffix .= SCRIPT_DEBUG ? '' : '.min'; wp_admin_css_color( 'fresh', _x( 'Default', 'admin color scheme' ), false, array( '#1d2327', '#2c3338', '#2271b1', '#72aee6' ), array( 'base' => '#a7aaad', 'focus' => '#72aee6', 'current' => '#fff', ) ); wp_admin_css_color( 'light', _x( 'Light', 'admin color scheme' ), admin_url( "css/colors/light/colors$suffix.css" ), array( '#e5e5e5', '#999', '#d64e07', '#04a4cc' ), array( 'base' => '#999', 'focus' => '#ccc', 'current' => '#ccc', ) ); wp_admin_css_color( 'modern', _x( 'Modern', 'admin color scheme' ), admin_url( "css/colors/modern/colors$suffix.css" ), array( '#1e1e1e', '#3858e9', '#33f078' ), array( 'base' => '#f3f1f1', 'focus' => '#fff', 'current' => '#fff', ) ); wp_admin_css_color( 'blue', _x( 'Blue', 'admin color scheme' ), admin_url( "css/colors/blue/colors$suffix.css" ), array( '#096484', '#4796b3', '#52accc', '#74B6CE' ), array( 'base' => '#e5f8ff', 'focus' => '#fff', 'current' => '#fff', ) ); wp_admin_css_color( 'midnight', _x( 'Midnight', 'admin color scheme' ), admin_url( "css/colors/midnight/colors$suffix.css" ), array( '#25282b', '#363b3f', '#69a8bb', '#e14d43' ), array( 'base' => '#f1f2f3', 'focus' => '#fff', 'current' => '#fff', ) ); wp_admin_css_color( 'sunrise', _x( 'Sunrise', 'admin color scheme' ), admin_url( "css/colors/sunrise/colors$suffix.css" ), array( '#b43c38', '#cf4944', '#dd823b', '#ccaf0b' ), array( 'base' => '#f3f1f1', 'focus' => '#fff', 'current' => '#fff', ) ); wp_admin_css_color( 'ectoplasm', _x( 'Ectoplasm', 'admin color scheme' ), admin_url( "css/colors/ectoplasm/colors$suffix.css" ), array( '#413256', '#523f6d', '#a3b745', '#d46f15' ), array( 'base' => '#ece6f6', 'focus' => '#fff', 'current' => '#fff', ) ); wp_admin_css_color( 'ocean', _x( 'Ocean', 'admin color scheme' ), admin_url( "css/colors/ocean/colors$suffix.css" ), array( '#627c83', '#738e96', '#9ebaa0', '#aa9d88' ), array( 'base' => '#f2fcff', 'focus' => '#fff', 'current' => '#fff', ) ); wp_admin_css_color( 'coffee', _x( 'Coffee', 'admin color scheme' ), admin_url( "css/colors/coffee/colors$suffix.css" ), array( '#46403c', '#59524c', '#c7a589', '#9ea476' ), array( 'base' => '#f3f2f1', 'focus' => '#fff', 'current' => '#fff', ) ); } /** * Displays the URL of a WordPress admin CSS file. * * @see WP_Styles::_css_href() and its {@see 'style_loader_src'} filter. * * @since 2.3.0 * * @param string $file file relative to wp-admin/ without its ".css" extension. * @return string */ function wp_admin_css_uri( $file = 'wp-admin' ) { if ( defined( 'WP_INSTALLING' ) ) { $_file = "./$file.css"; } else { $_file = admin_url( "$file.css" ); } $_file = add_query_arg( 'version', get_bloginfo( 'version' ), $_file ); /** * Filters the URI of a WordPress admin CSS file. * * @since 2.3.0 * * @param string $_file Relative path to the file with query arguments attached. * @param string $file Relative path to the file, minus its ".css" extension. */ return apply_filters( 'wp_admin_css_uri', $_file, $file ); } /** * Enqueues or directly prints a stylesheet link to the specified CSS file. * * "Intelligently" decides to enqueue or to print the CSS file. If the * {@see 'wp_print_styles'} action has *not* yet been called, the CSS file will be * enqueued. If the {@see 'wp_print_styles'} action has been called, the CSS link will * be printed. Printing may be forced by passing true as the $force_echo * (second) parameter. * * For backward compatibility with WordPress 2.3 calling method: If the $file * (first) parameter does not correspond to a registered CSS file, we assume * $file is a file relative to wp-admin/ without its ".css" extension. A * stylesheet link to that generated URL is printed. * * @since 2.3.0 * * @param string $file Optional. Style handle name or file name (without ".css" extension) relative * to wp-admin/. Defaults to 'wp-admin'. * @param bool $force_echo Optional. Force the stylesheet link to be printed rather than enqueued. */ function wp_admin_css( $file = 'wp-admin', $force_echo = false ) { // For backward compatibility. $handle = str_starts_with( $file, 'css/' ) ? substr( $file, 4 ) : $file; if ( wp_styles()->query( $handle ) ) { if ( $force_echo || did_action( 'wp_print_styles' ) ) { // We already printed the style queue. Print this one immediately. wp_print_styles( $handle ); } else { // Add to style queue. wp_enqueue_style( $handle ); } return; } $stylesheet_link = sprintf( "<link rel='stylesheet' href='%s' type='text/css' />\n", esc_url( wp_admin_css_uri( $file ) ) ); /** * Filters the stylesheet link to the specified CSS file. * * If the site is set to display right-to-left, the RTL stylesheet link * will be used instead. * * @since 2.3.0 * @param string $stylesheet_link HTML link element for the stylesheet. * @param string $file Style handle name or filename (without ".css" extension) * relative to wp-admin/. Defaults to 'wp-admin'. */ echo apply_filters( 'wp_admin_css', $stylesheet_link, $file ); if ( function_exists( 'is_rtl' ) && is_rtl() ) { $rtl_stylesheet_link = sprintf( "<link rel='stylesheet' href='%s' type='text/css' />\n", esc_url( wp_admin_css_uri( "$file-rtl" ) ) ); /** This filter is documented in wp-includes/general-template.php */ echo apply_filters( 'wp_admin_css', $rtl_stylesheet_link, "$file-rtl" ); } } /** * Enqueues the default ThickBox js and css. * * If any of the settings need to be changed, this can be done with another js * file similar to media-upload.js. That file should * require array('thickbox') to ensure it is loaded after. * * @since 2.5.0 */ function add_thickbox() { wp_enqueue_script( 'thickbox' ); wp_enqueue_style( 'thickbox' ); if ( is_network_admin() ) { add_action( 'admin_head', '_thickbox_path_admin_subfolder' ); } } /** * Displays the XHTML generator that is generated on the wp_head hook. * * See {@see 'wp_head'}. * * @since 2.5.0 */ function wp_generator() { /** * Filters the output of the XHTML generator tag. * * @since 2.5.0 * * @param string $generator_type The XHTML generator. */ the_generator( apply_filters( 'wp_generator_type', 'xhtml' ) ); } /** * Displays the generator XML or Comment for RSS, ATOM, etc. * * Returns the correct generator type for the requested output format. Allows * for a plugin to filter generators overall the {@see 'the_generator'} filter. * * @since 2.5.0 * * @param string $type The type of generator to output - (html|xhtml|atom|rss2|rdf|comment|export). */ function the_generator( $type ) { /** * Filters the output of the XHTML generator tag for display. * * @since 2.5.0 * * @param string $generator_type The generator output. * @param string $type The type of generator to output. Accepts 'html', * 'xhtml', 'atom', 'rss2', 'rdf', 'comment', 'export'. */ echo apply_filters( 'the_generator', get_the_generator( $type ), $type ) . "\n"; } /** * Creates the generator XML or Comment for RSS, ATOM, etc. * * Returns the correct generator type for the requested output format. Allows * for a plugin to filter generators on an individual basis using the * {@see 'get_the_generator_$type'} filter. * * @since 2.5.0 * * @param string $type The type of generator to return - (html|xhtml|atom|rss2|rdf|comment|export). * @return string|void The HTML content for the generator. */ function get_the_generator( $type = '' ) { if ( empty( $type ) ) { $current_filter = current_filter(); if ( empty( $current_filter ) ) { return; } switch ( $current_filter ) { case 'rss2_head': case 'commentsrss2_head': $type = 'rss2'; break; case 'rss_head': case 'opml_head': $type = 'comment'; break; case 'rdf_header': $type = 'rdf'; break; case 'atom_head': case 'comments_atom_head': case 'app_head': $type = 'atom'; break; } } switch ( $type ) { case 'html': $gen = '<meta name="generator" content="WordPress ' . esc_attr( get_bloginfo( 'version' ) ) . '">'; break; case 'xhtml': $gen = '<meta name="generator" content="WordPress ' . esc_attr( get_bloginfo( 'version' ) ) . '" />'; break; case 'atom': $gen = '<generator uri="https://wordpress.org/" version="' . esc_attr( get_bloginfo_rss( 'version' ) ) . '">WordPress</generator>'; break; case 'rss2': $gen = '<generator>' . sanitize_url( 'https://wordpress.org/?v=' . get_bloginfo_rss( 'version' ) ) . '</generator>'; break; case 'rdf': $gen = '<admin:generatorAgent rdf:resource="' . sanitize_url( 'https://wordpress.org/?v=' . get_bloginfo_rss( 'version' ) ) . '" />'; break; case 'comment': $gen = '<!-- generator="WordPress/' . esc_attr( get_bloginfo( 'version' ) ) . '" -->'; break; case 'export': $gen = '<!-- generator="WordPress/' . esc_attr( get_bloginfo_rss( 'version' ) ) . '" created="' . gmdate( 'Y-m-d H:i' ) . '" -->'; break; } /** * Filters the HTML for the retrieved generator type. * * The dynamic portion of the hook name, `$type`, refers to the generator type. * * Possible hook names include: * * - `get_the_generator_atom` * - `get_the_generator_comment` * - `get_the_generator_export` * - `get_the_generator_html` * - `get_the_generator_rdf` * - `get_the_generator_rss2` * - `get_the_generator_xhtml` * * @since 2.5.0 * * @param string $gen The HTML markup output to wp_head(). * @param string $type The type of generator. Accepts 'html', 'xhtml', 'atom', * 'rss2', 'rdf', 'comment', 'export'. */ return apply_filters( "get_the_generator_{$type}", $gen, $type ); } /** * Outputs the HTML checked attribute. * * Compares the first two arguments and if identical marks as checked. * * @since 1.0.0 * * @param mixed $checked One of the values to compare. * @param mixed $current Optional. The other value to compare if not just true. * Default true. * @param bool $display Optional. Whether to echo or just return the string. * Default true. * @return string HTML attribute or empty string. */ function checked( $checked, $current = true, $display = true ) { return __checked_selected_helper( $checked, $current, $display, 'checked' ); } /** * Outputs the HTML selected attribute. * * Compares the first two arguments and if identical marks as selected. * * @since 1.0.0 * * @param mixed $selected One of the values to compare. * @param mixed $current Optional. The other value to compare if not just true. * Default true. * @param bool $display Optional. Whether to echo or just return the string. * Default true. * @return string HTML attribute or empty string. */ function selected( $selected, $current = true, $display = true ) { return __checked_selected_helper( $selected, $current, $display, 'selected' ); } /** * Outputs the HTML disabled attribute. * * Compares the first two arguments and if identical marks as disabled. * * @since 3.0.0 * * @param mixed $disabled One of the values to compare. * @param mixed $current Optional. The other value to compare if not just true. * Default true. * @param bool $display Optional. Whether to echo or just return the string. * Default true. * @return string HTML attribute or empty string. */ function disabled( $disabled, $current = true, $display = true ) { return __checked_selected_helper( $disabled, $current, $display, 'disabled' ); } /** * Outputs the HTML readonly attribute. * * Compares the first two arguments and if identical marks as readonly. * * @since 5.9.0 * * @param mixed $readonly_value One of the values to compare. * @param mixed $current Optional. The other value to compare if not just true. * Default true. * @param bool $display Optional. Whether to echo or just return the string. * Default true. * @return string HTML attribute or empty string. */ function wp_readonly( $readonly_value, $current = true, $display = true ) { return __checked_selected_helper( $readonly_value, $current, $display, 'readonly' ); } /* * Include a compat `readonly()` function on PHP < 8.1. Since PHP 8.1, * `readonly` is a reserved keyword and cannot be used as a function name. * In order to avoid PHP parser errors, this function was extracted * to a separate file and is only included conditionally on PHP < 8.1. */ if ( PHP_VERSION_ID < 80100 ) { require_once __DIR__ . '/php-compat/readonly.php'; } /** * Private helper function for checked, selected, disabled and readonly. * * Compares the first two arguments and if identical marks as `$type`. * * @since 2.8.0 * @access private * * @param mixed $helper One of the values to compare. * @param mixed $current The other value to compare if not just true. * @param bool $display Whether to echo or just return the string. * @param string $type The type of checked|selected|disabled|readonly we are doing. * @return string HTML attribute or empty string. */ function __checked_selected_helper( $helper, $current, $display, $type ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore if ( (string) $helper === (string) $current ) { $result = " $type='$type'"; } else { $result = ''; } if ( $display ) { echo $result; } return $result; } /** * Assigns a visual indicator for required form fields. * * @since 6.1.0 * * @return string Indicator glyph wrapped in a `span` tag. */ function wp_required_field_indicator() { /* translators: Character to identify required form fields. */ $glyph = __( '*' ); $indicator = '<span class="required">' . esc_html( $glyph ) . '</span>'; /** * Filters the markup for a visual indicator of required form fields. * * @since 6.1.0 * * @param string $indicator Markup for the indicator element. */ return apply_filters( 'wp_required_field_indicator', $indicator ); } /** * Creates a message to explain required form fields. * * @since 6.1.0 * * @return string Message text and glyph wrapped in a `span` tag. */ function wp_required_field_message() { $message = sprintf( '<span class="required-field-message">%s</span>', /* translators: %s: Asterisk symbol (*). */ sprintf( __( 'Required fields are marked %s' ), wp_required_field_indicator() ) ); /** * Filters the message to explain required form fields. * * @since 6.1.0 * * @param string $message Message text and glyph wrapped in a `span` tag. */ return apply_filters( 'wp_required_field_message', $message ); } /** * Default settings for heartbeat. * * Outputs the nonce used in the heartbeat XHR. * * @since 3.6.0 * * @param array $settings * @return array Heartbeat settings. */ function wp_heartbeat_settings( $settings ) { if ( ! is_admin() ) { $settings['ajaxurl'] = admin_url( 'admin-ajax.php', 'relative' ); } if ( is_user_logged_in() ) { $settings['nonce'] = wp_create_nonce( 'heartbeat-nonce' ); } return $settings; }
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