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7f29687a55
git-svn-id: http://core.svn.wordpress.org/branches/4.3@33847 1a063a9b-81f0-0310-95a4-ce76da25c4cd
372 lines
11 KiB
PHP
372 lines
11 KiB
PHP
<?php
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/**
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* WordPress Administration Bootstrap
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*
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* @package WordPress
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* @subpackage Administration
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*/
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/**
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* In WordPress Administration Screens
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*
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* @since 2.3.2
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*/
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if ( ! defined( 'WP_ADMIN' ) ) {
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define( 'WP_ADMIN', true );
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}
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if ( ! defined('WP_NETWORK_ADMIN') )
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define('WP_NETWORK_ADMIN', false);
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if ( ! defined('WP_USER_ADMIN') )
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define('WP_USER_ADMIN', false);
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if ( ! WP_NETWORK_ADMIN && ! WP_USER_ADMIN ) {
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define('WP_BLOG_ADMIN', true);
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}
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if ( isset($_GET['import']) && !defined('WP_LOAD_IMPORTERS') )
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define('WP_LOAD_IMPORTERS', true);
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require_once(dirname(dirname(__FILE__)) . '/wp-load.php');
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nocache_headers();
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if ( get_option('db_upgraded') ) {
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flush_rewrite_rules();
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update_option( 'db_upgraded', false );
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/**
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* Fires on the next page load after a successful DB upgrade.
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*
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* @since 2.8.0
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*/
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do_action( 'after_db_upgrade' );
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} elseif ( get_option('db_version') != $wp_db_version && empty($_POST) ) {
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if ( !is_multisite() ) {
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wp_redirect( admin_url( 'upgrade.php?_wp_http_referer=' . urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) ) ) );
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exit;
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/**
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* Filter whether to attempt to perform the multisite DB upgrade routine.
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*
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* In single site, the user would be redirected to wp-admin/upgrade.php.
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* In multisite, the DB upgrade routine is automatically fired, but only
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* when this filter returns true.
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*
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* If the network is 50 sites or less, it will run every time. Otherwise,
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* it will throttle itself to reduce load.
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*
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* @since 3.0.0
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*
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* @param bool true Whether to perform the Multisite upgrade routine. Default true.
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*/
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} elseif ( apply_filters( 'do_mu_upgrade', true ) ) {
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$c = get_blog_count();
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/*
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* If there are 50 or fewer sites, run every time. Otherwise, throttle to reduce load:
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* attempt to do no more than threshold value, with some +/- allowed.
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*/
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if ( $c <= 50 || ( $c > 50 && mt_rand( 0, (int)( $c / 50 ) ) == 1 ) ) {
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require_once( ABSPATH . WPINC . '/http.php' );
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$response = wp_remote_get( admin_url( 'upgrade.php?step=1' ), array( 'timeout' => 120, 'httpversion' => '1.1' ) );
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/** This action is documented in wp-admin/network/upgrade.php */
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do_action( 'after_mu_upgrade', $response );
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unset($response);
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}
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unset($c);
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}
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}
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require_once(ABSPATH . 'wp-admin/includes/admin.php');
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auth_redirect();
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// Schedule trash collection
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if ( !wp_next_scheduled('wp_scheduled_delete') && !defined('WP_INSTALLING') )
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wp_schedule_event(time(), 'daily', 'wp_scheduled_delete');
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set_screen_options();
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$date_format = get_option('date_format');
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$time_format = get_option('time_format');
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wp_enqueue_script( 'common' );
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/**
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* $pagenow is set in vars.php
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* $wp_importers is sometimes set in wp-admin/includes/import.php
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* The remaining variables are imported as globals elsewhere, declared as globals here
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*
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* @global string $pagenow
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* @global array $wp_importers
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* @global string $hook_suffix
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* @global string $plugin_page
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* @global string $typenow
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* @global string $taxnow
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*/
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global $pagenow, $wp_importers, $hook_suffix, $plugin_page, $typenow, $taxnow;
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$page_hook = null;
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$editing = false;
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if ( isset($_GET['page']) ) {
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$plugin_page = wp_unslash( $_GET['page'] );
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$plugin_page = plugin_basename($plugin_page);
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}
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if ( isset( $_REQUEST['post_type'] ) && post_type_exists( $_REQUEST['post_type'] ) )
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$typenow = $_REQUEST['post_type'];
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else
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$typenow = '';
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if ( isset( $_REQUEST['taxonomy'] ) && taxonomy_exists( $_REQUEST['taxonomy'] ) )
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$taxnow = $_REQUEST['taxonomy'];
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else
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$taxnow = '';
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if ( WP_NETWORK_ADMIN )
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require(ABSPATH . 'wp-admin/network/menu.php');
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elseif ( WP_USER_ADMIN )
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require(ABSPATH . 'wp-admin/user/menu.php');
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else
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require(ABSPATH . 'wp-admin/menu.php');
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if ( current_user_can( 'manage_options' ) ) {
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/**
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* Filter the maximum memory limit available for administration screens.
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*
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* This only applies to administrators, who may require more memory for tasks like updates.
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* Memory limits when processing images (uploaded or edited by users of any role) are
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* handled separately.
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*
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* The WP_MAX_MEMORY_LIMIT constant specifically defines the maximum memory limit available
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* when in the administration back-end. The default is 256M, or 256 megabytes of memory.
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*
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* @since 3.0.0
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*
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* @param string 'WP_MAX_MEMORY_LIMIT' The maximum WordPress memory limit. Default 256M.
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*/
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@ini_set( 'memory_limit', apply_filters( 'admin_memory_limit', WP_MAX_MEMORY_LIMIT ) );
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}
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/**
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* Fires as an admin screen or script is being initialized.
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*
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* Note, this does not just run on user-facing admin screens.
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* It runs on admin-ajax.php and admin-post.php as well.
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*
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* This is roughly analgous to the more general 'init' hook, which fires earlier.
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*
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* @since 2.5.0
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*/
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do_action( 'admin_init' );
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if ( isset($plugin_page) ) {
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if ( !empty($typenow) )
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$the_parent = $pagenow . '?post_type=' . $typenow;
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else
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$the_parent = $pagenow;
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if ( ! $page_hook = get_plugin_page_hook($plugin_page, $the_parent) ) {
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$page_hook = get_plugin_page_hook($plugin_page, $plugin_page);
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// Backwards compatibility for plugins using add_management_page().
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if ( empty( $page_hook ) && 'edit.php' == $pagenow && '' != get_plugin_page_hook($plugin_page, 'tools.php') ) {
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// There could be plugin specific params on the URL, so we need the whole query string
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if ( !empty($_SERVER[ 'QUERY_STRING' ]) )
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$query_string = $_SERVER[ 'QUERY_STRING' ];
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else
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$query_string = 'page=' . $plugin_page;
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wp_redirect( admin_url('tools.php?' . $query_string) );
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exit;
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}
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}
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unset($the_parent);
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}
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$hook_suffix = '';
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if ( isset( $page_hook ) ) {
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$hook_suffix = $page_hook;
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} elseif ( isset( $plugin_page ) ) {
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$hook_suffix = $plugin_page;
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} elseif ( isset( $pagenow ) ) {
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$hook_suffix = $pagenow;
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}
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set_current_screen();
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// Handle plugin admin pages.
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if ( isset($plugin_page) ) {
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if ( $page_hook ) {
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/**
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* Fires before a particular screen is loaded.
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*
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* The load-* hook fires in a number of contexts. This hook is for plugin screens
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* where a callback is provided when the screen is registered.
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*
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* The dynamic portion of the hook name, `$page_hook`, refers to a mixture of plugin
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* page information including:
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* 1. The page type. If the plugin page is registered as a submenu page, such as for
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* Settings, the page type would be 'settings'. Otherwise the type is 'toplevel'.
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* 2. A separator of '_page_'.
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* 3. The plugin basename minus the file extension.
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*
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* Together, the three parts form the `$page_hook`. Citing the example above,
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* the hook name used would be 'load-settings_page_pluginbasename'.
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*
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* @see get_plugin_page_hook()
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*
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* @since 2.1.0
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*/
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do_action( 'load-' . $page_hook );
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if (! isset($_GET['noheader']))
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require_once(ABSPATH . 'wp-admin/admin-header.php');
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/**
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* Used to call the registered callback for a plugin screen.
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*
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* @ignore
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* @since 1.5.0
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*/
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do_action( $page_hook );
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} else {
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if ( validate_file($plugin_page) )
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wp_die(__('Invalid plugin page'));
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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") ) )
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wp_die(sprintf(__('Cannot load %s.'), htmlentities($plugin_page)));
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/**
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* Fires before a particular screen is loaded.
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*
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* The load-* hook fires in a number of contexts. This hook is for plugin screens
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* where the file to load is directly included, rather than the use of a function.
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*
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* The dynamic portion of the hook name, `$plugin_page`, refers to the plugin basename.
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*
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* @see plugin_basename()
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*
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* @since 1.5.0
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*/
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do_action( 'load-' . $plugin_page );
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if ( !isset($_GET['noheader']))
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require_once(ABSPATH . 'wp-admin/admin-header.php');
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if ( file_exists(WPMU_PLUGIN_DIR . "/$plugin_page") )
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include(WPMU_PLUGIN_DIR . "/$plugin_page");
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else
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include(WP_PLUGIN_DIR . "/$plugin_page");
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}
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include(ABSPATH . 'wp-admin/admin-footer.php');
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exit();
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} elseif ( isset( $_GET['import'] ) ) {
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$importer = $_GET['import'];
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if ( ! current_user_can('import') )
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wp_die(__('You are not allowed to import.'));
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if ( validate_file($importer) ) {
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wp_redirect( admin_url( 'import.php?invalid=' . $importer ) );
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exit;
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}
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if ( ! isset($wp_importers[$importer]) || ! is_callable($wp_importers[$importer][2]) ) {
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wp_redirect( admin_url( 'import.php?invalid=' . $importer ) );
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exit;
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}
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/**
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* Fires before an importer screen is loaded.
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*
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* The dynamic portion of the hook name, `$importer`, refers to the importer slug.
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*
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* @since 3.5.0
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*/
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do_action( 'load-importer-' . $importer );
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$parent_file = 'tools.php';
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$submenu_file = 'import.php';
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$title = __('Import');
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if (! isset($_GET['noheader']))
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require_once(ABSPATH . 'wp-admin/admin-header.php');
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require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
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define('WP_IMPORTING', true);
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/**
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* Whether to filter imported data through kses on import.
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*
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* Multisite uses this hook to filter all data through kses by default,
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* as a super administrator may be assisting an untrusted user.
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*
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* @since 3.1.0
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*
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* @param bool false Whether to force data to be filtered through kses. Default false.
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*/
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if ( apply_filters( 'force_filtered_html_on_import', false ) ) {
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kses_init_filters(); // Always filter imported data with kses on multisite.
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}
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call_user_func($wp_importers[$importer][2]);
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include(ABSPATH . 'wp-admin/admin-footer.php');
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// Make sure rules are flushed
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flush_rewrite_rules(false);
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exit();
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} else {
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/**
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* Fires before a particular screen is loaded.
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*
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* The load-* hook fires in a number of contexts. This hook is for core screens.
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*
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* The dynamic portion of the hook name, `$pagenow`, is a global variable
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* referring to the filename of the current page, such as 'admin.php',
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* 'post-new.php' etc. A complete hook for the latter would be
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* 'load-post-new.php'.
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*
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* @since 2.1.0
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*/
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do_action( 'load-' . $pagenow );
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/*
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* The following hooks are fired to ensure backward compatibility.
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* In all other cases, 'load-' . $pagenow should be used instead.
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*/
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if ( $typenow == 'page' ) {
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if ( $pagenow == 'post-new.php' )
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do_action( 'load-page-new.php' );
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elseif ( $pagenow == 'post.php' )
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do_action( 'load-page.php' );
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} elseif ( $pagenow == 'edit-tags.php' ) {
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if ( $taxnow == 'category' )
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do_action( 'load-categories.php' );
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elseif ( $taxnow == 'link_category' )
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do_action( 'load-edit-link-categories.php' );
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}
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}
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if ( ! empty( $_REQUEST['action'] ) ) {
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/**
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* Fires when an 'action' request variable is sent.
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*
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* The dynamic portion of the hook name, `$_REQUEST['action']`,
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* refers to the action derived from the `GET` or `POST` request.
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*
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* @since 2.6.0
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*/
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do_action( 'admin_action_' . $_REQUEST['action'] );
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}
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