Update WordPress to 5.2
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489b5a5914
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599 changed files with 119573 additions and 55990 deletions
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@ -468,12 +468,14 @@ function get_dropins() {
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*/
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function _get_dropins() {
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$dropins = array(
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'advanced-cache.php' => array( __( 'Advanced caching plugin.' ), 'WP_CACHE' ), // WP_CACHE
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'db.php' => array( __( 'Custom database class.' ), true ), // auto on load
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'db-error.php' => array( __( 'Custom database error message.' ), true ), // auto on error
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'install.php' => array( __( 'Custom installation script.' ), true ), // auto on installation
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'maintenance.php' => array( __( 'Custom maintenance message.' ), true ), // auto on maintenance
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'object-cache.php' => array( __( 'External object cache.' ), true ), // auto on load
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'advanced-cache.php' => array( __( 'Advanced caching plugin.' ), 'WP_CACHE' ), // WP_CACHE
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'db.php' => array( __( 'Custom database class.' ), true ), // auto on load
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'db-error.php' => array( __( 'Custom database error message.' ), true ), // auto on error
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'install.php' => array( __( 'Custom installation script.' ), true ), // auto on installation
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'maintenance.php' => array( __( 'Custom maintenance message.' ), true ), // auto on maintenance
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'object-cache.php' => array( __( 'External object cache.' ), true ), // auto on load
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'php-error.php' => array( __( 'Custom PHP error message.' ), true ), // auto on error
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'fatal-error-handler.php' => array( __( 'Custom PHP fatal error handler.' ), true ), // auto on error
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);
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if ( is_multisite() ) {
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@ -595,6 +597,7 @@ function is_network_only_plugin( $plugin ) {
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* ensure that the success redirection will update the error redirection.
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*
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* @since 2.5.0
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* @since 5.2.0 Test for WordPress version and PHP version compatibility.
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*
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* @param string $plugin Path to the plugin file relative to the plugins directory.
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* @param string $redirect Optional. URL to redirect to.
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@ -619,13 +622,22 @@ function activate_plugin( $plugin, $redirect = '', $network_wide = false, $silen
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return $valid;
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}
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$requirements = validate_plugin_requirements( $plugin );
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if ( is_wp_error( $requirements ) ) {
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return $requirements;
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}
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if ( ( $network_wide && ! isset( $current[ $plugin ] ) ) || ( ! $network_wide && ! in_array( $plugin, $current ) ) ) {
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if ( ! empty( $redirect ) ) {
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wp_redirect( add_query_arg( '_error_nonce', wp_create_nonce( 'plugin-activation-error_' . $plugin ), $redirect ) ); // we'll override this later if the plugin can be included without fatal error
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}
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ob_start();
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wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $plugin );
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$_wp_plugin_file = $plugin;
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if ( ! defined( 'WP_SANDBOX_SCRAPING' ) ) {
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define( 'WP_SANDBOX_SCRAPING', true );
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}
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include_once( WP_PLUGIN_DIR . '/' . $plugin );
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$plugin = $_wp_plugin_file; // Avoid stomping of the $plugin variable in a plugin.
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@ -758,6 +770,11 @@ function deactivate_plugins( $plugins, $silent = false, $network_wide = null ) {
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}
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}
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if ( $do_blog && wp_is_recovery_mode() ) {
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list( $extension ) = explode( '/', $plugin );
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wp_paused_plugins()->delete( $extension );
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}
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if ( ! $silent ) {
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/**
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* Fires as a specific plugin is being deactivated.
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@ -1058,6 +1075,67 @@ function validate_plugin( $plugin ) {
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return 0;
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}
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/**
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* Validate the plugin requirements for WP version and PHP version.
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*
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* @since 5.2.0
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*
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* @param string $plugin Path to the plugin file relative to the plugins directory.
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* @return true|WP_Error True if requirements are met, WP_Error on failure.
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*/
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function validate_plugin_requirements( $plugin ) {
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$readme_file = WP_PLUGIN_DIR . '/' . dirname( $plugin ) . '/readme.txt';
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if ( file_exists( $readme_file ) ) {
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$plugin_data = get_file_data(
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$readme_file,
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array(
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'requires' => 'Requires at least',
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'requires_php' => 'Requires PHP',
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),
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'plugin'
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);
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} else {
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return true;
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}
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$plugin_data['wp_compatible'] = is_wp_version_compatible( $plugin_data['requires'] );
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$plugin_data['php_compatible'] = is_php_version_compatible( $plugin_data['requires_php'] );
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$plugin_data = array_merge( $plugin_data, get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin ) );
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if ( ! $plugin_data['wp_compatible'] && ! $plugin_data['php_compatible'] ) {
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return new WP_Error(
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'plugin_wp_php_incompatible',
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sprintf(
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/* translators: %s: plugin name */
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__( '<strong>Error:</strong> Current WordPress and PHP versions do not meet minimum requirements for %s.' ),
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$plugin_data['Name']
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)
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);
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} elseif ( ! $plugin_data['php_compatible'] ) {
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return new WP_Error(
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'plugin_php_incompatible',
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sprintf(
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/* translators: %s: plugin name */
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__( '<strong>Error:</strong> Current PHP version does not meet minimum requirements for %s.' ),
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$plugin_data['Name']
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)
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);
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} elseif ( ! $plugin_data['wp_compatible'] ) {
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return new WP_Error(
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'plugin_wp_incompatible',
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sprintf(
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/* translators: %s: plugin name */
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__( '<strong>Error:</strong> Current WordPress version does not meet minimum requirements for %s.' ),
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$plugin_data['Name']
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)
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);
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}
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return true;
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}
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/**
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* Whether the plugin can be uninstalled.
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*
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@ -1285,8 +1363,8 @@ function add_submenu_page( $parent_slug, $page_title, $menu_title, $capability,
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$_registered_pages[ $hookname ] = true;
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/*
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* Backward-compatibility for plugins using add_management page.
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* See wp-admin/admin.php for redirect from edit.php to tools.php
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* Backward-compatibility for plugins using add_management_page().
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* See wp-admin/admin.php for redirect from edit.php to tools.php.
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*/
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if ( 'tools.php' == $parent_slug ) {
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$_registered_pages[ get_plugin_page_hookname( $menu_slug, 'edit.php' ) ] = true;
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@ -1644,6 +1722,8 @@ function menu_page_url( $menu_slug, $echo = true ) {
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* @global array $_wp_real_parent_file
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* @global array $_wp_menu_nopriv
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* @global array $_wp_submenu_nopriv
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*
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* @return string
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*/
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function get_admin_page_parent( $parent = '' ) {
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global $parent_file, $menu, $submenu, $pagenow, $typenow,
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@ -1714,6 +1794,8 @@ function get_admin_page_parent( $parent = '' ) {
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* @global string $pagenow
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* @global string $plugin_page
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* @global string $typenow
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*
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* @return string
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*/
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function get_admin_page_title() {
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global $title, $menu, $submenu, $pagenow, $plugin_page, $typenow;
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@ -1790,9 +1872,10 @@ function get_admin_page_title() {
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/**
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* @since 2.3.0
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*
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* @param string $plugin_page
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* @param string $parent_page
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* @return string|null
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* @param string $plugin_page The slug name of the plugin page.
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* @param string $parent_page The slug name for the parent menu (or the file name of a standard
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* WordPress admin page).
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* @return string|null Hook attached to the plugin page, null otherwise.
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*/
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function get_plugin_page_hook( $plugin_page, $parent_page ) {
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$hook = get_plugin_page_hookname( $plugin_page, $parent_page );
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@ -1805,8 +1888,11 @@ function get_plugin_page_hook( $plugin_page, $parent_page ) {
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/**
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* @global array $admin_page_hooks
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* @param string $plugin_page
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* @param string $parent_page
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*
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* @param string $plugin_page The slug name of the plugin page.
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* @param string $parent_page The slug name for the parent menu (or the file name of a standard
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* WordPress admin page).
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* @return string Hook name for the plugin page.
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*/
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function get_plugin_page_hookname( $plugin_page, $parent_page ) {
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global $admin_page_hooks;
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@ -1837,6 +1923,8 @@ function get_plugin_page_hookname( $plugin_page, $parent_page ) {
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* @global array $_wp_submenu_nopriv
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* @global string $plugin_page
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* @global array $_registered_pages
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*
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* @return bool Whether the current user can access the current admin page.
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*/
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function user_can_access_admin_page() {
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global $pagenow, $menu, $submenu, $_wp_menu_nopriv, $_wp_submenu_nopriv,
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@ -2046,6 +2134,9 @@ function wp_clean_plugins_cache( $clear_update_cache = true ) {
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* @param string $plugin Path to the plugin file relative to the plugins directory.
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*/
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function plugin_sandbox_scrape( $plugin ) {
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if ( ! defined( 'WP_SANDBOX_SCRAPING' ) ) {
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define( 'WP_SANDBOX_SCRAPING', true );
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}
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wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $plugin );
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include( WP_PLUGIN_DIR . '/' . $plugin );
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}
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@ -2101,3 +2192,132 @@ function wp_add_privacy_policy_content( $plugin_name, $policy_text ) {
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WP_Privacy_Policy_Content::add( $plugin_name, $policy_text );
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}
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/**
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* Determines whether a plugin is technically active but was paused while
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* loading.
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*
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* For more information on this and similar theme functions, check out
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* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
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* Conditional Tags} article in the Theme Developer Handbook.
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*
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* @since 5.2.0
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*
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* @param string $plugin Path to the plugin file relative to the plugins directory.
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* @return bool True, if in the list of paused plugins. False, not in the list.
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*/
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function is_plugin_paused( $plugin ) {
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if ( ! isset( $GLOBALS['_paused_plugins'] ) ) {
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return false;
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}
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if ( ! is_plugin_active( $plugin ) ) {
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return false;
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}
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list( $plugin ) = explode( '/', $plugin );
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return array_key_exists( $plugin, $GLOBALS['_paused_plugins'] );
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}
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/**
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* Gets the error that was recorded for a paused plugin.
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*
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* @since 5.2.0
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*
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* @param string $plugin Path to the plugin file relative to the plugins
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* directory.
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* @return array|false Array of error information as it was returned by
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* `error_get_last()`, or false if none was recorded.
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*/
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function wp_get_plugin_error( $plugin ) {
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if ( ! isset( $GLOBALS['_paused_plugins'] ) ) {
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return false;
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}
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list( $plugin ) = explode( '/', $plugin );
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if ( ! array_key_exists( $plugin, $GLOBALS['_paused_plugins'] ) ) {
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return false;
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}
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return $GLOBALS['_paused_plugins'][ $plugin ];
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}
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/**
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* Tries to resume a single plugin.
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*
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* If a redirect was provided, we first ensure the plugin does not throw fatal
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* errors anymore.
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*
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* The way it works is by setting the redirection to the error before trying to
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* include the plugin file. If the plugin fails, then the redirection will not
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* be overwritten with the success message and the plugin will not be resumed.
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*
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* @since 5.2.0
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*
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* @param string $plugin Single plugin to resume.
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* @param string $redirect Optional. URL to redirect to. Default empty string.
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* @return bool|WP_Error True on success, false if `$plugin` was not paused,
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* `WP_Error` on failure.
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*/
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function resume_plugin( $plugin, $redirect = '' ) {
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/*
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* We'll override this later if the plugin could be resumed without
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* creating a fatal error.
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*/
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if ( ! empty( $redirect ) ) {
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wp_redirect(
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add_query_arg(
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'_error_nonce',
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wp_create_nonce( 'plugin-resume-error_' . $plugin ),
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$redirect
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)
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);
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// Load the plugin to test whether it throws a fatal error.
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ob_start();
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plugin_sandbox_scrape( $plugin );
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ob_clean();
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}
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list( $extension ) = explode( '/', $plugin );
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$result = wp_paused_plugins()->delete( $extension );
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if ( ! $result ) {
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return new WP_Error(
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'could_not_resume_plugin',
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__( 'Could not resume the plugin.' )
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);
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}
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return true;
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}
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/**
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* Renders an admin notice in case some plugins have been paused due to errors.
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*
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* @since 5.2.0
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*/
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function paused_plugins_notice() {
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if ( 'plugins.php' === $GLOBALS['pagenow'] ) {
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return;
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}
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if ( ! current_user_can( 'resume_plugins' ) ) {
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return;
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}
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if ( ! isset( $GLOBALS['_paused_plugins'] ) || empty( $GLOBALS['_paused_plugins'] ) ) {
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return;
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}
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printf(
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'<div class="notice notice-error"><p><strong>%s</strong><br>%s</p><p><a href="%s">%s</a></p></div>',
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__( 'One or more plugins failed to load properly.' ),
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__( 'You can find more details and make changes on the Plugins screen.' ),
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esc_url( admin_url( 'plugins.php?plugin_status=paused' ) ),
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__( 'Go to the Plugins screen' )
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);
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}
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