|
- <?php
- /**
- * Misc WordPress Administration API.
- *
- * @package WordPress
- * @subpackage Administration
- */
-
- /**
- * Returns whether the server is running Apache with the mod_rewrite module loaded.
- *
- * @since 2.0.0
- *
- * @return bool
- */
- function got_mod_rewrite() {
- $got_rewrite = apache_mod_loaded('mod_rewrite', true);
-
- /**
- * Filters whether Apache and mod_rewrite are present.
- *
- * This filter was previously used to force URL rewriting for other servers,
- * like nginx. Use the {@see 'got_url_rewrite'} filter in got_url_rewrite() instead.
- *
- * @since 2.5.0
- *
- * @see got_url_rewrite()
- *
- * @param bool $got_rewrite Whether Apache and mod_rewrite are present.
- */
- return apply_filters( 'got_rewrite', $got_rewrite );
- }
-
- /**
- * Returns whether the server supports URL rewriting.
- *
- * Detects Apache's mod_rewrite, IIS 7.0+ permalink support, and nginx.
- *
- * @since 3.7.0
- *
- * @global bool $is_nginx
- *
- * @return bool Whether the server supports URL rewriting.
- */
- function got_url_rewrite() {
- $got_url_rewrite = ( got_mod_rewrite() || $GLOBALS['is_nginx'] || iis7_supports_permalinks() );
-
- /**
- * Filters whether URL rewriting is available.
- *
- * @since 3.7.0
- *
- * @param bool $got_url_rewrite Whether URL rewriting is available.
- */
- return apply_filters( 'got_url_rewrite', $got_url_rewrite );
- }
-
- /**
- * Extracts strings from between the BEGIN and END markers in the .htaccess file.
- *
- * @since 1.5.0
- *
- * @param string $filename
- * @param string $marker
- * @return array An array of strings from a file (.htaccess ) from between BEGIN and END markers.
- */
- function extract_from_markers( $filename, $marker ) {
- $result = array ();
-
- if (!file_exists( $filename ) ) {
- return $result;
- }
-
- if ( $markerdata = explode( "\n", implode( '', file( $filename ) ) ));
- {
- $state = false;
- foreach ( $markerdata as $markerline ) {
- if (strpos($markerline, '# END ' . $marker) !== false)
- $state = false;
- if ( $state )
- $result[] = $markerline;
- if (strpos($markerline, '# BEGIN ' . $marker) !== false)
- $state = true;
- }
- }
-
- return $result;
- }
-
- /**
- * Inserts an array of strings into a file (.htaccess ), placing it between
- * BEGIN and END markers.
- *
- * Replaces existing marked info. Retains surrounding
- * data. Creates file if none exists.
- *
- * @since 1.5.0
- *
- * @param string $filename Filename to alter.
- * @param string $marker The marker to alter.
- * @param array|string $insertion The new content to insert.
- * @return bool True on write success, false on failure.
- */
- function insert_with_markers( $filename, $marker, $insertion ) {
- if ( ! file_exists( $filename ) ) {
- if ( ! is_writable( dirname( $filename ) ) ) {
- return false;
- }
- if ( ! touch( $filename ) ) {
- return false;
- }
- } elseif ( ! is_writeable( $filename ) ) {
- return false;
- }
-
- if ( ! is_array( $insertion ) ) {
- $insertion = explode( "\n", $insertion );
- }
-
- $start_marker = "# BEGIN {$marker}";
- $end_marker = "# END {$marker}";
-
- $fp = fopen( $filename, 'r+' );
- if ( ! $fp ) {
- return false;
- }
-
- // Attempt to get a lock. If the filesystem supports locking, this will block until the lock is acquired.
- flock( $fp, LOCK_EX );
-
- $lines = array();
- while ( ! feof( $fp ) ) {
- $lines[] = rtrim( fgets( $fp ), "\r\n" );
- }
-
- // Split out the existing file into the preceding lines, and those that appear after the marker
- $pre_lines = $post_lines = $existing_lines = array();
- $found_marker = $found_end_marker = false;
- foreach ( $lines as $line ) {
- if ( ! $found_marker && false !== strpos( $line, $start_marker ) ) {
- $found_marker = true;
- continue;
- } elseif ( ! $found_end_marker && false !== strpos( $line, $end_marker ) ) {
- $found_end_marker = true;
- continue;
- }
- if ( ! $found_marker ) {
- $pre_lines[] = $line;
- } elseif ( $found_marker && $found_end_marker ) {
- $post_lines[] = $line;
- } else {
- $existing_lines[] = $line;
- }
- }
-
- // Check to see if there was a change
- if ( $existing_lines === $insertion ) {
- flock( $fp, LOCK_UN );
- fclose( $fp );
-
- return true;
- }
-
- // Generate the new file data
- $new_file_data = implode( "\n", array_merge(
- $pre_lines,
- array( $start_marker ),
- $insertion,
- array( $end_marker ),
- $post_lines
- ) );
-
- // Write to the start of the file, and truncate it to that length
- fseek( $fp, 0 );
- $bytes = fwrite( $fp, $new_file_data );
- if ( $bytes ) {
- ftruncate( $fp, ftell( $fp ) );
- }
- fflush( $fp );
- flock( $fp, LOCK_UN );
- fclose( $fp );
-
- return (bool) $bytes;
- }
-
- /**
- * Updates the htaccess file with the current rules if it is writable.
- *
- * Always writes to the file if it exists and is writable to ensure that we
- * blank out old rules.
- *
- * @since 1.5.0
- *
- * @global WP_Rewrite $wp_rewrite
- */
- function save_mod_rewrite_rules() {
- if ( is_multisite() )
- return;
-
- global $wp_rewrite;
-
- $home_path = get_home_path();
- $htaccess_file = $home_path.'.htaccess';
-
- /*
- * If the file doesn't already exist check for write access to the directory
- * and whether we have some rules. Else check for write access to the file.
- */
- if ((!file_exists($htaccess_file) && is_writable($home_path) && $wp_rewrite->using_mod_rewrite_permalinks()) || is_writable($htaccess_file)) {
- if ( got_mod_rewrite() ) {
- $rules = explode( "\n", $wp_rewrite->mod_rewrite_rules() );
- return insert_with_markers( $htaccess_file, 'WordPress', $rules );
- }
- }
-
- return false;
- }
-
- /**
- * Updates the IIS web.config file with the current rules if it is writable.
- * If the permalinks do not require rewrite rules then the rules are deleted from the web.config file.
- *
- * @since 2.8.0
- *
- * @global WP_Rewrite $wp_rewrite
- *
- * @return bool True if web.config was updated successfully
- */
- function iis7_save_url_rewrite_rules(){
- if ( is_multisite() )
- return;
-
- global $wp_rewrite;
-
- $home_path = get_home_path();
- $web_config_file = $home_path . 'web.config';
-
- // Using win_is_writable() instead of is_writable() because of a bug in Windows PHP
- if ( iis7_supports_permalinks() && ( ( ! file_exists($web_config_file) && win_is_writable($home_path) && $wp_rewrite->using_mod_rewrite_permalinks() ) || win_is_writable($web_config_file) ) ) {
- $rule = $wp_rewrite->iis7_url_rewrite_rules(false, '', '');
- if ( ! empty($rule) ) {
- return iis7_add_rewrite_rule($web_config_file, $rule);
- } else {
- return iis7_delete_rewrite_rule($web_config_file);
- }
- }
- return false;
- }
-
- /**
- * Update the "recently-edited" file for the plugin or theme editor.
- *
- * @since 1.5.0
- *
- * @param string $file
- */
- function update_recently_edited( $file ) {
- $oldfiles = (array ) get_option( 'recently_edited' );
- if ( $oldfiles ) {
- $oldfiles = array_reverse( $oldfiles );
- $oldfiles[] = $file;
- $oldfiles = array_reverse( $oldfiles );
- $oldfiles = array_unique( $oldfiles );
- if ( 5 < count( $oldfiles ))
- array_pop( $oldfiles );
- } else {
- $oldfiles[] = $file;
- }
- update_option( 'recently_edited', $oldfiles );
- }
-
- /**
- * Flushes rewrite rules if siteurl, home or page_on_front changed.
- *
- * @since 2.1.0
- *
- * @param string $old_value
- * @param string $value
- */
- function update_home_siteurl( $old_value, $value ) {
- if ( wp_installing() )
- return;
-
- if ( is_multisite() && ms_is_switched() ) {
- delete_option( 'rewrite_rules' );
- } else {
- flush_rewrite_rules();
- }
- }
-
-
- /**
- * Resets global variables based on $_GET and $_POST
- *
- * This function resets global variables based on the names passed
- * in the $vars array to the value of $_POST[$var] or $_GET[$var] or ''
- * if neither is defined.
- *
- * @since 2.0.0
- *
- * @param array $vars An array of globals to reset.
- */
- function wp_reset_vars( $vars ) {
- foreach ( $vars as $var ) {
- if ( empty( $_POST[ $var ] ) ) {
- if ( empty( $_GET[ $var ] ) ) {
- $GLOBALS[ $var ] = '';
- } else {
- $GLOBALS[ $var ] = $_GET[ $var ];
- }
- } else {
- $GLOBALS[ $var ] = $_POST[ $var ];
- }
- }
- }
-
- /**
- * Displays the given administration message.
- *
- * @since 2.1.0
- *
- * @param string|WP_Error $message
- */
- function show_message($message) {
- if ( is_wp_error($message) ){
- if ( $message->get_error_data() && is_string( $message->get_error_data() ) )
- $message = $message->get_error_message() . ': ' . $message->get_error_data();
- else
- $message = $message->get_error_message();
- }
- echo "<p>$message</p>\n";
- wp_ob_end_flush_all();
- flush();
- }
-
- /**
- * @since 2.8.0
- *
- * @param string $content
- * @return array
- */
- function wp_doc_link_parse( $content ) {
- if ( !is_string( $content ) || empty( $content ) )
- return array();
-
- if ( !function_exists('token_get_all') )
- return array();
-
- $tokens = token_get_all( $content );
- $count = count( $tokens );
- $functions = array();
- $ignore_functions = array();
- for ( $t = 0; $t < $count - 2; $t++ ) {
- if ( ! is_array( $tokens[ $t ] ) ) {
- continue;
- }
-
- if ( T_STRING == $tokens[ $t ][0] && ( '(' == $tokens[ $t + 1 ] || '(' == $tokens[ $t + 2 ] ) ) {
- // If it's a function or class defined locally, there's not going to be any docs available
- if ( ( isset( $tokens[ $t - 2 ][1] ) && in_array( $tokens[ $t - 2 ][1], array( 'function', 'class' ) ) ) || ( isset( $tokens[ $t - 2 ][0] ) && T_OBJECT_OPERATOR == $tokens[ $t - 1 ][0] ) ) {
- $ignore_functions[] = $tokens[$t][1];
- }
- // Add this to our stack of unique references
- $functions[] = $tokens[$t][1];
- }
- }
-
- $functions = array_unique( $functions );
- sort( $functions );
-
- /**
- * Filters the list of functions and classes to be ignored from the documentation lookup.
- *
- * @since 2.8.0
- *
- * @param array $ignore_functions Functions and classes to be ignored.
- */
- $ignore_functions = apply_filters( 'documentation_ignore_functions', $ignore_functions );
-
- $ignore_functions = array_unique( $ignore_functions );
-
- $out = array();
- foreach ( $functions as $function ) {
- if ( in_array( $function, $ignore_functions ) )
- continue;
- $out[] = $function;
- }
-
- return $out;
- }
-
- /**
- * Saves option for number of rows when listing posts, pages, comments, etc.
- *
- * @since 2.8.0
- */
- function set_screen_options() {
-
- if ( isset($_POST['wp_screen_options']) && is_array($_POST['wp_screen_options']) ) {
- check_admin_referer( 'screen-options-nonce', 'screenoptionnonce' );
-
- if ( !$user = wp_get_current_user() )
- return;
- $option = $_POST['wp_screen_options']['option'];
- $value = $_POST['wp_screen_options']['value'];
-
- if ( $option != sanitize_key( $option ) )
- return;
-
- $map_option = $option;
- $type = str_replace('edit_', '', $map_option);
- $type = str_replace('_per_page', '', $type);
- if ( in_array( $type, get_taxonomies() ) )
- $map_option = 'edit_tags_per_page';
- elseif ( in_array( $type, get_post_types() ) )
- $map_option = 'edit_per_page';
- else
- $option = str_replace('-', '_', $option);
-
- switch ( $map_option ) {
- case 'edit_per_page':
- case 'users_per_page':
- case 'edit_comments_per_page':
- case 'upload_per_page':
- case 'edit_tags_per_page':
- case 'plugins_per_page':
- // Network admin
- case 'sites_network_per_page':
- case 'users_network_per_page':
- case 'site_users_network_per_page':
- case 'plugins_network_per_page':
- case 'themes_network_per_page':
- case 'site_themes_network_per_page':
- $value = (int) $value;
- if ( $value < 1 || $value > 999 )
- return;
- break;
- default:
-
- /**
- * Filters a screen option value before it is set.
- *
- * The filter can also be used to modify non-standard [items]_per_page
- * settings. See the parent function for a full list of standard options.
- *
- * Returning false to the filter will skip saving the current option.
- *
- * @since 2.8.0
- *
- * @see set_screen_options()
- *
- * @param bool|int $value Screen option value. Default false to skip.
- * @param string $option The option name.
- * @param int $value The number of rows to use.
- */
- $value = apply_filters( 'set-screen-option', false, $option, $value );
-
- if ( false === $value )
- return;
- break;
- }
-
- update_user_meta($user->ID, $option, $value);
-
- $url = remove_query_arg( array( 'pagenum', 'apage', 'paged' ), wp_get_referer() );
- if ( isset( $_POST['mode'] ) ) {
- $url = add_query_arg( array( 'mode' => $_POST['mode'] ), $url );
- }
-
- wp_safe_redirect( $url );
- exit;
- }
- }
-
- /**
- * Check if rewrite rule for WordPress already exists in the IIS 7+ configuration file
- *
- * @since 2.8.0
- *
- * @return bool
- * @param string $filename The file path to the configuration file
- */
- function iis7_rewrite_rule_exists($filename) {
- if ( ! file_exists($filename) )
- return false;
- if ( ! class_exists( 'DOMDocument', false ) ) {
- return false;
- }
-
- $doc = new DOMDocument();
- if ( $doc->load($filename) === false )
- return false;
- $xpath = new DOMXPath($doc);
- $rules = $xpath->query('/configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'wordpress\')] | /configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'WordPress\')]');
- if ( $rules->length == 0 )
- return false;
- else
- return true;
- }
-
- /**
- * Delete WordPress rewrite rule from web.config file if it exists there
- *
- * @since 2.8.0
- *
- * @param string $filename Name of the configuration file
- * @return bool
- */
- function iis7_delete_rewrite_rule($filename) {
- // If configuration file does not exist then rules also do not exist so there is nothing to delete
- if ( ! file_exists($filename) )
- return true;
-
- if ( ! class_exists( 'DOMDocument', false ) ) {
- return false;
- }
-
- $doc = new DOMDocument();
- $doc->preserveWhiteSpace = false;
-
- if ( $doc -> load($filename) === false )
- return false;
- $xpath = new DOMXPath($doc);
- $rules = $xpath->query('/configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'wordpress\')] | /configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'WordPress\')]');
- if ( $rules->length > 0 ) {
- $child = $rules->item(0);
- $parent = $child->parentNode;
- $parent->removeChild($child);
- $doc->formatOutput = true;
- saveDomDocument($doc, $filename);
- }
- return true;
- }
-
- /**
- * Add WordPress rewrite rule to the IIS 7+ configuration file.
- *
- * @since 2.8.0
- *
- * @param string $filename The file path to the configuration file
- * @param string $rewrite_rule The XML fragment with URL Rewrite rule
- * @return bool
- */
- function iis7_add_rewrite_rule($filename, $rewrite_rule) {
- if ( ! class_exists( 'DOMDocument', false ) ) {
- return false;
- }
-
- // If configuration file does not exist then we create one.
- if ( ! file_exists($filename) ) {
- $fp = fopen( $filename, 'w');
- fwrite($fp, '<configuration/>');
- fclose($fp);
- }
-
- $doc = new DOMDocument();
- $doc->preserveWhiteSpace = false;
-
- if ( $doc->load($filename) === false )
- return false;
-
- $xpath = new DOMXPath($doc);
-
- // First check if the rule already exists as in that case there is no need to re-add it
- $wordpress_rules = $xpath->query('/configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'wordpress\')] | /configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'WordPress\')]');
- if ( $wordpress_rules->length > 0 )
- return true;
-
- // Check the XPath to the rewrite rule and create XML nodes if they do not exist
- $xmlnodes = $xpath->query('/configuration/system.webServer/rewrite/rules');
- if ( $xmlnodes->length > 0 ) {
- $rules_node = $xmlnodes->item(0);
- } else {
- $rules_node = $doc->createElement('rules');
-
- $xmlnodes = $xpath->query('/configuration/system.webServer/rewrite');
- if ( $xmlnodes->length > 0 ) {
- $rewrite_node = $xmlnodes->item(0);
- $rewrite_node->appendChild($rules_node);
- } else {
- $rewrite_node = $doc->createElement('rewrite');
- $rewrite_node->appendChild($rules_node);
-
- $xmlnodes = $xpath->query('/configuration/system.webServer');
- if ( $xmlnodes->length > 0 ) {
- $system_webServer_node = $xmlnodes->item(0);
- $system_webServer_node->appendChild($rewrite_node);
- } else {
- $system_webServer_node = $doc->createElement('system.webServer');
- $system_webServer_node->appendChild($rewrite_node);
-
- $xmlnodes = $xpath->query('/configuration');
- if ( $xmlnodes->length > 0 ) {
- $config_node = $xmlnodes->item(0);
- $config_node->appendChild($system_webServer_node);
- } else {
- $config_node = $doc->createElement('configuration');
- $doc->appendChild($config_node);
- $config_node->appendChild($system_webServer_node);
- }
- }
- }
- }
-
- $rule_fragment = $doc->createDocumentFragment();
- $rule_fragment->appendXML($rewrite_rule);
- $rules_node->appendChild($rule_fragment);
-
- $doc->encoding = "UTF-8";
- $doc->formatOutput = true;
- saveDomDocument($doc, $filename);
-
- return true;
- }
-
- /**
- * Saves the XML document into a file
- *
- * @since 2.8.0
- *
- * @param DOMDocument $doc
- * @param string $filename
- */
- function saveDomDocument($doc, $filename) {
- $config = $doc->saveXML();
- $config = preg_replace("/([^\r])\n/", "$1\r\n", $config);
- $fp = fopen($filename, 'w');
- fwrite($fp, $config);
- fclose($fp);
- }
-
- /**
- * Display the default admin color scheme picker (Used in user-edit.php)
- *
- * @since 3.0.0
- *
- * @global array $_wp_admin_css_colors
- *
- * @param int $user_id User ID.
- */
- function admin_color_scheme_picker( $user_id ) {
- global $_wp_admin_css_colors;
-
- ksort( $_wp_admin_css_colors );
-
- if ( isset( $_wp_admin_css_colors['fresh'] ) ) {
- // Set Default ('fresh') and Light should go first.
- $_wp_admin_css_colors = array_filter( array_merge( array( 'fresh' => '', 'light' => '' ), $_wp_admin_css_colors ) );
- }
-
- $current_color = get_user_option( 'admin_color', $user_id );
-
- if ( empty( $current_color ) || ! isset( $_wp_admin_css_colors[ $current_color ] ) ) {
- $current_color = 'fresh';
- }
-
- ?>
- <fieldset id="color-picker" class="scheme-list">
- <legend class="screen-reader-text"><span><?php _e( 'Admin Color Scheme' ); ?></span></legend>
- <?php
- wp_nonce_field( 'save-color-scheme', 'color-nonce', false );
- foreach ( $_wp_admin_css_colors as $color => $color_info ) :
-
- ?>
- <div class="color-option <?php echo ( $color == $current_color ) ? 'selected' : ''; ?>">
- <input name="admin_color" id="admin_color_<?php echo esc_attr( $color ); ?>" type="radio" value="<?php echo esc_attr( $color ); ?>" class="tog" <?php checked( $color, $current_color ); ?> />
- <input type="hidden" class="css_url" value="<?php echo esc_url( $color_info->url ); ?>" />
- <input type="hidden" class="icon_colors" value="<?php echo esc_attr( wp_json_encode( array( 'icons' => $color_info->icon_colors ) ) ); ?>" />
- <label for="admin_color_<?php echo esc_attr( $color ); ?>"><?php echo esc_html( $color_info->name ); ?></label>
- <table class="color-palette">
- <tr>
- <?php
-
- foreach ( $color_info->colors as $html_color ) {
- ?>
- <td style="background-color: <?php echo esc_attr( $html_color ); ?>"> </td>
- <?php
- }
-
- ?>
- </tr>
- </table>
- </div>
- <?php
-
- endforeach;
-
- ?>
- </fieldset>
- <?php
- }
-
- /**
- *
- * @global array $_wp_admin_css_colors
- */
- function wp_color_scheme_settings() {
- global $_wp_admin_css_colors;
-
- $color_scheme = get_user_option( 'admin_color' );
-
- // It's possible to have a color scheme set that is no longer registered.
- if ( empty( $_wp_admin_css_colors[ $color_scheme ] ) ) {
- $color_scheme = 'fresh';
- }
-
- if ( ! empty( $_wp_admin_css_colors[ $color_scheme ]->icon_colors ) ) {
- $icon_colors = $_wp_admin_css_colors[ $color_scheme ]->icon_colors;
- } elseif ( ! empty( $_wp_admin_css_colors['fresh']->icon_colors ) ) {
- $icon_colors = $_wp_admin_css_colors['fresh']->icon_colors;
- } else {
- // Fall back to the default set of icon colors if the default scheme is missing.
- $icon_colors = array( 'base' => '#82878c', 'focus' => '#00a0d2', 'current' => '#fff' );
- }
-
- echo '<script type="text/javascript">var _wpColorScheme = ' . wp_json_encode( array( 'icons' => $icon_colors ) ) . ";</script>\n";
- }
-
- /**
- * @since 3.3.0
- */
- function _ipad_meta() {
- if ( wp_is_mobile() ) {
- ?>
- <meta name="viewport" id="viewport-meta" content="width=device-width, initial-scale=1">
- <?php
- }
- }
-
- /**
- * Check lock status for posts displayed on the Posts screen
- *
- * @since 3.6.0
- *
- * @param array $response The Heartbeat response.
- * @param array $data The $_POST data sent.
- * @param string $screen_id The screen id.
- * @return array The Heartbeat response.
- */
- function wp_check_locked_posts( $response, $data, $screen_id ) {
- $checked = array();
-
- if ( array_key_exists( 'wp-check-locked-posts', $data ) && is_array( $data['wp-check-locked-posts'] ) ) {
- foreach ( $data['wp-check-locked-posts'] as $key ) {
- if ( ! $post_id = absint( substr( $key, 5 ) ) )
- continue;
-
- if ( ( $user_id = wp_check_post_lock( $post_id ) ) && ( $user = get_userdata( $user_id ) ) && current_user_can( 'edit_post', $post_id ) ) {
- $send = array( 'text' => sprintf( __( '%s is currently editing' ), $user->display_name ) );
-
- if ( ( $avatar = get_avatar( $user->ID, 18 ) ) && preg_match( "|src='([^']+)'|", $avatar, $matches ) )
- $send['avatar_src'] = $matches[1];
-
- $checked[$key] = $send;
- }
- }
- }
-
- if ( ! empty( $checked ) )
- $response['wp-check-locked-posts'] = $checked;
-
- return $response;
- }
-
- /**
- * Check lock status on the New/Edit Post screen and refresh the lock
- *
- * @since 3.6.0
- *
- * @param array $response The Heartbeat response.
- * @param array $data The $_POST data sent.
- * @param string $screen_id The screen id.
- * @return array The Heartbeat response.
- */
- function wp_refresh_post_lock( $response, $data, $screen_id ) {
- if ( array_key_exists( 'wp-refresh-post-lock', $data ) ) {
- $received = $data['wp-refresh-post-lock'];
- $send = array();
-
- if ( ! $post_id = absint( $received['post_id'] ) )
- return $response;
-
- if ( ! current_user_can('edit_post', $post_id) )
- return $response;
-
- if ( ( $user_id = wp_check_post_lock( $post_id ) ) && ( $user = get_userdata( $user_id ) ) ) {
- $error = array(
- 'text' => sprintf( __( '%s has taken over and is currently editing.' ), $user->display_name )
- );
-
- if ( $avatar = get_avatar( $user->ID, 64 ) ) {
- if ( preg_match( "|src='([^']+)'|", $avatar, $matches ) )
- $error['avatar_src'] = $matches[1];
- }
-
- $send['lock_error'] = $error;
- } else {
- if ( $new_lock = wp_set_post_lock( $post_id ) )
- $send['new_lock'] = implode( ':', $new_lock );
- }
-
- $response['wp-refresh-post-lock'] = $send;
- }
-
- return $response;
- }
-
- /**
- * Check nonce expiration on the New/Edit Post screen and refresh if needed
- *
- * @since 3.6.0
- *
- * @param array $response The Heartbeat response.
- * @param array $data The $_POST data sent.
- * @param string $screen_id The screen id.
- * @return array The Heartbeat response.
- */
- function wp_refresh_post_nonces( $response, $data, $screen_id ) {
- if ( array_key_exists( 'wp-refresh-post-nonces', $data ) ) {
- $received = $data['wp-refresh-post-nonces'];
- $response['wp-refresh-post-nonces'] = array( 'check' => 1 );
-
- if ( ! $post_id = absint( $received['post_id'] ) ) {
- return $response;
- }
-
- if ( ! current_user_can( 'edit_post', $post_id ) ) {
- return $response;
- }
-
- $response['wp-refresh-post-nonces'] = array(
- 'replace' => array(
- 'getpermalinknonce' => wp_create_nonce('getpermalink'),
- 'samplepermalinknonce' => wp_create_nonce('samplepermalink'),
- 'closedpostboxesnonce' => wp_create_nonce('closedpostboxes'),
- '_ajax_linking_nonce' => wp_create_nonce( 'internal-linking' ),
- '_wpnonce' => wp_create_nonce( 'update-post_' . $post_id ),
- ),
- 'heartbeatNonce' => wp_create_nonce( 'heartbeat-nonce' ),
- );
- }
-
- return $response;
- }
-
- /**
- * Disable suspension of Heartbeat on the Add/Edit Post screens.
- *
- * @since 3.8.0
- *
- * @global string $pagenow
- *
- * @param array $settings An array of Heartbeat settings.
- * @return array Filtered Heartbeat settings.
- */
- function wp_heartbeat_set_suspension( $settings ) {
- global $pagenow;
-
- if ( 'post.php' === $pagenow || 'post-new.php' === $pagenow ) {
- $settings['suspension'] = 'disable';
- }
-
- return $settings;
- }
-
- /**
- * Autosave with heartbeat
- *
- * @since 3.9.0
- *
- * @param array $response The Heartbeat response.
- * @param array $data The $_POST data sent.
- * @return array The Heartbeat response.
- */
- function heartbeat_autosave( $response, $data ) {
- if ( ! empty( $data['wp_autosave'] ) ) {
- $saved = wp_autosave( $data['wp_autosave'] );
-
- if ( is_wp_error( $saved ) ) {
- $response['wp_autosave'] = array( 'success' => false, 'message' => $saved->get_error_message() );
- } elseif ( empty( $saved ) ) {
- $response['wp_autosave'] = array( 'success' => false, 'message' => __( 'Error while saving.' ) );
- } else {
- /* translators: draft saved date format, see https://secure.php.net/date */
- $draft_saved_date_format = __( 'g:i:s a' );
- /* translators: %s: date and time */
- $response['wp_autosave'] = array( 'success' => true, 'message' => sprintf( __( 'Draft saved at %s.' ), date_i18n( $draft_saved_date_format ) ) );
- }
- }
-
- return $response;
- }
-
- /**
- * Remove single-use URL parameters and create canonical link based on new URL.
- *
- * Remove specific query string parameters from a URL, create the canonical link,
- * put it in the admin header, and change the current URL to match.
- *
- * @since 4.2.0
- */
- function wp_admin_canonical_url() {
- $removable_query_args = wp_removable_query_args();
-
- if ( empty( $removable_query_args ) ) {
- return;
- }
-
- // Ensure we're using an absolute URL.
- $current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
- $filtered_url = remove_query_arg( $removable_query_args, $current_url );
- ?>
- <link id="wp-admin-canonical" rel="canonical" href="<?php echo esc_url( $filtered_url ); ?>" />
- <script>
- if ( window.history.replaceState ) {
- window.history.replaceState( null, null, document.getElementById( 'wp-admin-canonical' ).href + window.location.hash );
- }
- </script>
- <?php
- }
-
- /**
- * Outputs JS that reloads the page if the user navigated to it with the Back or Forward button.
- *
- * Used on the Edit Post and Add New Post screens. Needed to ensure the page is not loaded from browser cache,
- * so the post title and editor content are the last saved versions. Ideally this script should run first in the head.
- *
- * @since 4.6.0
- */
- function wp_page_reload_on_back_button_js() {
- ?>
- <script>
- if ( typeof performance !== 'undefined' && performance.navigation && performance.navigation.type === 2 ) {
- document.location.reload( true );
- }
- </script>
- <?php
- }
|