require_once(dirname(dirname(__FILE__)) . '/wp-load.php');
+nocache_headers();
+
if ( get_option('db_upgraded') ) {
flush_rewrite_rules();
update_option( 'db_upgraded', false );
/**
- * Runs on the next page load after successful upgrade
+ * Fires on the next page load after a successful DB upgrade.
*
- * @since 2.8
+ * @since 2.8.0
*/
- do_action('after_db_upgrade');
+ 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(stripslashes($_SERVER['REQUEST_URI']))));
+ wp_redirect( admin_url( 'upgrade.php?_wp_http_referer=' . urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) ) ) );
exit;
+
+ /**
+ * Filter 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, it 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 true Whether to perform the Multisite upgrade routine. Default true.
+ */
} elseif ( apply_filters( 'do_mu_upgrade', true ) ) {
- /**
- * On really small MU installs run the upgrader every time,
- * else run it less often to reduce load.
- *
- * @since 2.8.4b
- */
$c = get_blog_count();
+ // If 50 or fewer sites, run every time. Else, run "about ten percent" of the time. Shh, don't check that math.
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' ) );
+ /**
+ * Fires after the multisite DB upgrade is complete.
+ *
+ * @since 3.0.0
+ *
+ * @param array|WP_Error $response The upgrade response array or WP_Error on failure.
+ */
do_action( 'after_mu_upgrade', $response );
unset($response);
}
auth_redirect();
-nocache_headers();
-
// Schedule trash collection
if ( !wp_next_scheduled('wp_scheduled_delete') && !defined('WP_INSTALLING') )
wp_schedule_event(time(), 'daily', 'wp_scheduled_delete');
$date_format = get_option('date_format');
$time_format = get_option('time_format');
-wp_reset_vars(array('profile', 'redirect', 'redirect_url', 'a', 'text', 'trackback', 'pingback'));
-
wp_enqueue_script( 'common' );
-wp_enqueue_script( 'jquery-color' );
$editing = false;
if ( isset($_GET['page']) ) {
- $plugin_page = stripslashes($_GET['page']);
+ $plugin_page = wp_unslash( $_GET['page'] );
$plugin_page = plugin_basename($plugin_page);
}
else
require(ABSPATH . 'wp-admin/menu.php');
-if ( current_user_can( 'manage_options' ) )
+if ( current_user_can( 'manage_options' ) ) {
+ /**
+ * Filter the maximum memory limit available for administration screens.
+ *
+ * This only applies to administrators, who may require more memory for tasks like updates.
+ * Memory limits when processing images (uploaded or edited by users of any role) are
+ * handled separately.
+ *
+ * The WP_MAX_MEMORY_LIMIT constant specifically defines the maximum memory limit available
+ * when in the administration back-end. The default is 256M, or 256 megabytes of memory.
+ *
+ * @since 3.0.0
+ *
+ * @param string 'WP_MAX_MEMORY_LIMIT' The maximum WordPress memory limit. Default 256M.
+ */
@ini_set( 'memory_limit', apply_filters( 'admin_memory_limit', WP_MAX_MEMORY_LIMIT ) );
+}
-do_action('admin_init');
+/**
+ * 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 analgous to the more general 'init' hook, which fires earlier.
+ *
+ * @since 2.5.0
+ */
+do_action( 'admin_init' );
if ( isset($plugin_page) ) {
if ( !empty($typenow) )
// Handle plugin admin pages.
if ( isset($plugin_page) ) {
if ( $page_hook ) {
- do_action('load-' . $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');
- do_action($page_hook);
+ /**
+ * Used to call the registered callback for a plugin screen.
+ *
+ * @access private
+ *
+ * @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)));
- do_action('load-' . $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');
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';
$title = __('Import');
define('WP_IMPORTING', true);
+ /**
+ * Whether to filter imported data through kses on import.
+ *
+ * Multisite uses this hook to filter all data through kses by default,
+ * as a super administrator may be assisting an untrusted user.
+ *
+ * @since 3.1.0
+ *
+ * @param bool false Whether to force data to be filtered through kses. Default false.
+ */
if ( apply_filters( 'force_filtered_html_on_import', false ) )
kses_init_filters(); // Always filter imported data with kses on multisite.
exit();
} else {
- do_action("load-$pagenow");
+ /**
+ * 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 );
// Backwards compatibility with old load-page-new.php, load-page.php,
// and load-categories.php actions.
if ( $typenow == 'page' ) {
}
}
-if ( !empty($_REQUEST['action']) )
- do_action('admin_action_' . $_REQUEST['action']);
+if ( ! empty( $_REQUEST['action'] ) ) {
+ /**
+ * Fires when an 'action' request variable is sent.
+ *
+ * The dynamic portion of the hook name, $_REQUEST['action'],
+ * refers to the action derived from the GET or POST request.
+ *
+ * @since 2.6.0
+ */
+ do_action( 'admin_action_' . $_REQUEST['action'] );
+}