/wp-admin/admin.php
PHP | 386 lines | 188 code | 56 blank | 142 comment | 70 complexity | 44a81de7938a314be7fad03eaa66eeef MD5 | raw file
Possible License(s): GPL-2.0, MIT
- <?php
- /**
- * WordPress Administration Bootstrap
- *
- * @package WordPress
- * @subpackage Administration
- */
- /**
- * In WordPress Administration Screens
- *
- * @since 2.3.2
- */
- if ( ! defined( 'WP_ADMIN' ) ) {
- define( 'WP_ADMIN', true );
- }
- if ( ! defined( 'WP_NETWORK_ADMIN' ) ) {
- define( 'WP_NETWORK_ADMIN', false );
- }
- if ( ! defined( 'WP_USER_ADMIN' ) ) {
- define( 'WP_USER_ADMIN', false );
- }
- if ( ! WP_NETWORK_ADMIN && ! WP_USER_ADMIN ) {
- define( 'WP_BLOG_ADMIN', true );
- }
- if ( isset( $_GET['import'] ) && ! defined( 'WP_LOAD_IMPORTERS' ) ) {
- define( 'WP_LOAD_IMPORTERS', true );
- }
- require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
- nocache_headers();
- if ( get_option( 'db_upgraded' ) ) {
- flush_rewrite_rules();
- update_option( 'db_upgraded', false );
- /**
- * Fires on the next page load after a successful DB upgrade.
- *
- * @since 2.8.0
- */
- do_action( 'after_db_upgrade' );
- } elseif ( get_option( 'db_version' ) != $wp_db_version && empty( $_POST ) ) {
- if ( ! is_multisite() ) {
- wp_redirect( admin_url( 'upgrade.php?_wp_http_referer=' . urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) ) ) );
- exit;
- /**
- * Filters whether to attempt to perform the multisite DB upgrade routine.
- *
- * In single site, the user would be redirected to wp-admin/upgrade.php.
- * In multisite, the DB upgrade routine is automatically fired, but only
- * when this filter returns true.
- *
- * If the network is 50 sites or less, it will run every time. Otherwise,
- * it will throttle itself to reduce load.
- *
- * @since 3.0.0
- *
- * @param bool $do_mu_upgrade Whether to perform the Multisite upgrade routine. Default true.
- */
- } elseif ( apply_filters( 'do_mu_upgrade', true ) ) {
- $c = get_blog_count();
- /*
- * If there are 50 or fewer sites, run every time. Otherwise, throttle to reduce load:
- * attempt to do no more than threshold value, with some +/- allowed.
- */
- if ( $c <= 50 || ( $c > 50 && mt_rand( 0, (int) ( $c / 50 ) ) == 1 ) ) {
- require_once( ABSPATH . WPINC . '/http.php' );
- $response = wp_remote_get(
- admin_url( 'upgrade.php?step=1' ), array(
- 'timeout' => 120,
- 'httpversion' => '1.1',
- )
- );
- /** This action is documented in wp-admin/network/upgrade.php */
- do_action( 'after_mu_upgrade', $response );
- unset( $response );
- }
- unset( $c );
- }
- }
- require_once( ABSPATH . 'wp-admin/includes/admin.php' );
- auth_redirect();
- // Schedule trash collection
- if ( ! wp_next_scheduled( 'wp_scheduled_delete' ) && ! wp_installing() ) {
- wp_schedule_event( time(), 'daily', 'wp_scheduled_delete' );
- }
- // Schedule Transient cleanup.
- if ( ! wp_next_scheduled( 'delete_expired_transients' ) && ! wp_installing() ) {
- wp_schedule_event( time(), 'daily', 'delete_expired_transients' );
- }
- set_screen_options();
- $date_format = __( 'F j, Y' );
- $time_format = __( 'g:i a' );
- wp_enqueue_script( 'common' );
- /**
- * $pagenow is set in vars.php
- * $wp_importers is sometimes set in wp-admin/includes/import.php
- * The remaining variables are imported as globals elsewhere, declared as globals here
- *
- * @global string $pagenow
- * @global array $wp_importers
- * @global string $hook_suffix
- * @global string $plugin_page
- * @global string $typenow
- * @global string $taxnow
- */
- global $pagenow, $wp_importers, $hook_suffix, $plugin_page, $typenow, $taxnow;
- $page_hook = null;
- $editing = false;
- if ( isset( $_GET['page'] ) ) {
- $plugin_page = wp_unslash( $_GET['page'] );
- $plugin_page = plugin_basename( $plugin_page );
- }
- if ( isset( $_REQUEST['post_type'] ) && post_type_exists( $_REQUEST['post_type'] ) ) {
- $typenow = $_REQUEST['post_type'];
- } else {
- $typenow = '';
- }
- if ( isset( $_REQUEST['taxonomy'] ) && taxonomy_exists( $_REQUEST['taxonomy'] ) ) {
- $taxnow = $_REQUEST['taxonomy'];
- } else {
- $taxnow = '';
- }
- if ( WP_NETWORK_ADMIN ) {
- require( ABSPATH . 'wp-admin/network/menu.php' );
- } elseif ( WP_USER_ADMIN ) {
- require( ABSPATH . 'wp-admin/user/menu.php' );
- } else {
- require( ABSPATH . 'wp-admin/menu.php' );
- }
- if ( current_user_can( 'manage_options' ) ) {
- wp_raise_memory_limit( 'admin' );
- }
- /**
- * Fires as an admin screen or script is being initialized.
- *
- * Note, this does not just run on user-facing admin screens.
- * It runs on admin-ajax.php and admin-post.php as well.
- *
- * This is roughly analogous to the more general {@see 'init'} hook, which fires earlier.
- *
- * @since 2.5.0
- */
- do_action( 'admin_init' );
- if ( isset( $plugin_page ) ) {
- if ( ! empty( $typenow ) ) {
- $the_parent = $pagenow . '?post_type=' . $typenow;
- } else {
- $the_parent = $pagenow;
- }
- if ( ! $page_hook = get_plugin_page_hook( $plugin_page, $the_parent ) ) {
- $page_hook = get_plugin_page_hook( $plugin_page, $plugin_page );
- // Back-compat for plugins using add_management_page().
- if ( empty( $page_hook ) && 'edit.php' == $pagenow && '' != get_plugin_page_hook( $plugin_page, 'tools.php' ) ) {
- // There could be plugin specific params on the URL, so we need the whole query string
- if ( ! empty( $_SERVER['QUERY_STRING'] ) ) {
- $query_string = $_SERVER['QUERY_STRING'];
- } else {
- $query_string = 'page=' . $plugin_page;
- }
- wp_redirect( admin_url( 'tools.php?' . $query_string ) );
- exit;
- }
- }
- unset( $the_parent );
- }
- $hook_suffix = '';
- if ( isset( $page_hook ) ) {
- $hook_suffix = $page_hook;
- } elseif ( isset( $plugin_page ) ) {
- $hook_suffix = $plugin_page;
- } elseif ( isset( $pagenow ) ) {
- $hook_suffix = $pagenow;
- }
- set_current_screen();
- // Handle plugin admin pages.
- if ( isset( $plugin_page ) ) {
- if ( $page_hook ) {
- /**
- * Fires before a particular screen is loaded.
- *
- * The load-* hook fires in a number of contexts. This hook is for plugin screens
- * where a callback is provided when the screen is registered.
- *
- * The dynamic portion of the hook name, `$page_hook`, refers to a mixture of plugin
- * page information including:
- * 1. The page type. If the plugin page is registered as a submenu page, such as for
- * Settings, the page type would be 'settings'. Otherwise the type is 'toplevel'.
- * 2. A separator of '_page_'.
- * 3. The plugin basename minus the file extension.
- *
- * Together, the three parts form the `$page_hook`. Citing the example above,
- * the hook name used would be 'load-settings_page_pluginbasename'.
- *
- * @see get_plugin_page_hook()
- *
- * @since 2.1.0
- */
- do_action( "load-{$page_hook}" );
- if ( ! isset( $_GET['noheader'] ) ) {
- require_once( ABSPATH . 'wp-admin/admin-header.php' );
- }
- /**
- * Used to call the registered callback for a plugin screen.
- *
- * @ignore
- * @since 1.5.0
- */
- do_action( $page_hook );
- } else {
- if ( validate_file( $plugin_page ) ) {
- wp_die( __( 'Invalid plugin page.' ) );
- }
- if ( ! ( file_exists( WP_PLUGIN_DIR . "/$plugin_page" ) && is_file( WP_PLUGIN_DIR . "/$plugin_page" ) ) && ! ( file_exists( WPMU_PLUGIN_DIR . "/$plugin_page" ) && is_file( WPMU_PLUGIN_DIR . "/$plugin_page" ) ) ) {
- wp_die( sprintf( __( 'Cannot load %s.' ), htmlentities( $plugin_page ) ) );
- }
- /**
- * Fires before a particular screen is loaded.
- *
- * The load-* hook fires in a number of contexts. This hook is for plugin screens
- * where the file to load is directly included, rather than the use of a function.
- *
- * The dynamic portion of the hook name, `$plugin_page`, refers to the plugin basename.
- *
- * @see plugin_basename()
- *
- * @since 1.5.0
- */
- do_action( "load-{$plugin_page}" );
- if ( ! isset( $_GET['noheader'] ) ) {
- require_once( ABSPATH . 'wp-admin/admin-header.php' );
- }
- if ( file_exists( WPMU_PLUGIN_DIR . "/$plugin_page" ) ) {
- include( WPMU_PLUGIN_DIR . "/$plugin_page" );
- } else {
- include( WP_PLUGIN_DIR . "/$plugin_page" );
- }
- }
- include( ABSPATH . 'wp-admin/admin-footer.php' );
- exit();
- } elseif ( isset( $_GET['import'] ) ) {
- $importer = $_GET['import'];
- if ( ! current_user_can( 'import' ) ) {
- wp_die( __( 'Sorry, you are not allowed to import content.' ) );
- }
- if ( validate_file( $importer ) ) {
- wp_redirect( admin_url( 'import.php?invalid=' . $importer ) );
- exit;
- }
- if ( ! isset( $wp_importers[ $importer ] ) || ! is_callable( $wp_importers[ $importer ][2] ) ) {
- wp_redirect( admin_url( 'import.php?invalid=' . $importer ) );
- exit;
- }
- /**
- * Fires before an importer screen is loaded.
- *
- * The dynamic portion of the hook name, `$importer`, refers to the importer slug.
- *
- * @since 3.5.0
- */
- do_action( "load-importer-{$importer}" );
- $parent_file = 'tools.php';
- $submenu_file = 'import.php';
- $title = __( 'Import' );
- if ( ! isset( $_GET['noheader'] ) ) {
- require_once( ABSPATH . 'wp-admin/admin-header.php' );
- }
- require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
- define( 'WP_IMPORTING', true );
- /**
- * Whether to filter imported data through kses on import.
- *
- * Multisite uses this hook to filter all data through kses by default,
- * as a super administrator may be assisting an untrusted user.
- *
- * @since 3.1.0
- *
- * @param bool $force Whether to force data to be filtered through kses. Default false.
- */
- if ( apply_filters( 'force_filtered_html_on_import', false ) ) {
- kses_init_filters(); // Always filter imported data with kses on multisite.
- }
- call_user_func( $wp_importers[ $importer ][2] );
- include( ABSPATH . 'wp-admin/admin-footer.php' );
- // Make sure rules are flushed
- flush_rewrite_rules( false );
- exit();
- } else {
- /**
- * Fires before a particular screen is loaded.
- *
- * The load-* hook fires in a number of contexts. This hook is for core screens.
- *
- * The dynamic portion of the hook name, `$pagenow`, is a global variable
- * referring to the filename of the current page, such as 'admin.php',
- * 'post-new.php' etc. A complete hook for the latter would be
- * 'load-post-new.php'.
- *
- * @since 2.1.0
- */
- do_action( "load-{$pagenow}" );
- /*
- * The following hooks are fired to ensure backward compatibility.
- * In all other cases, 'load-' . $pagenow should be used instead.
- */
- if ( $typenow == 'page' ) {
- if ( $pagenow == 'post-new.php' ) {
- do_action( 'load-page-new.php' );
- } elseif ( $pagenow == 'post.php' ) {
- do_action( 'load-page.php' );
- }
- } elseif ( $pagenow == 'edit-tags.php' ) {
- if ( $taxnow == 'category' ) {
- do_action( 'load-categories.php' );
- } elseif ( $taxnow == 'link_category' ) {
- do_action( 'load-edit-link-categories.php' );
- }
- } elseif ( 'term.php' === $pagenow ) {
- do_action( 'load-edit-tags.php' );
- }
- }
- if ( ! empty( $_REQUEST['action'] ) ) {
- $action = $_REQUEST['action'];
- /**
- * Fires when an 'action' request variable is sent.
- *
- * The dynamic portion of the hook name, `$action`, refers to
- * the action derived from the `GET` or `POST` request.
- *
- * @since 2.6.0
- */
- do_action( "admin_action_{$action}" );
- }