Viewing file:  admin.php (10.48 KB) -rw-rw-rw-
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<?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;
/**
* 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, 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 true 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') && !defined('WP_INSTALLING') )
wp_schedule_event(time(), 'daily', 'wp_scheduled_delete');
set_screen_options();
$date_format = get_option('date_format');
$time_format = get_option('time_format');
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 $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
$taxnow = '';
if ( WP_NETWORK_ADMIN )
require(ABSPATH . 'wp-admin/network/menu.php');
elseif ( WP_USER_ADMIN )
require(ABSPATH . 'wp-admin/user/menu.php');
else
require(ABSPATH . 'wp-admin/menu.php');
if ( current_user_can( 'manage_options' ) ) {
/**
* Filter the maximum memory limit available for administration screens.
*
* This only applies to administrators, who may require more memory for tasks like updates.
* Memory limits when processing images (uploaded or edited by users of any role) are
* handled separately.
*
* The WP_MAX_MEMORY_LIMIT constant specifically defines the maximum memory limit available
* when in the administration back-end. The default is 256M, or 256 megabytes of memory.
*
* @since 3.0.0
*
* @param string 'WP_MAX_MEMORY_LIMIT' The maximum WordPress memory limit. Default 256M.
*/
@ini_set( 'memory_limit', apply_filters( 'admin_memory_limit', WP_MAX_MEMORY_LIMIT ) );
}
/**
* Fires as an admin screen or script is being initialized.
*
* Note, this does not just run on user-facing admin screens.
* It runs on admin-ajax.php and admin-post.php as well.
*
* This is roughly analgous to the more general 'init' hook, which fires earlier.
*
* @since 2.5.0
*/
do_action( 'admin_init' );
if ( isset($plugin_page) ) {
if ( !empty($typenow) )
$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);
// Backwards compatibility 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 = $_GET['import'];
if ( ! current_user_can('import') )
wp_die(__('You are not allowed to import.'));
if ( validate_file($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 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.
}
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' );
}
}
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'] );
}
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