wp-load.phpのミニマム版

例えば非同期でデータをloadしたいときに、wp-loadを全部読み込んで処理すると時間がかかってしまう。それを少しでも短縮するには、必要なものだけをloadさせれば良い。 そんなコツとして、wp-load-min.php みたいなファイルを作る。以下、このページのVictor氏の回答のコピペ:

<?php
//this stops wp-settings from load everything
define ('SHORTINIT',true);
error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR );
/** Define ABSPATH as this files directory */
define( 'ABSPATH', dirname(__FILE__) . '/' );
//WP config file
require ('wp-config.php');
if (SHORTINIT):
// Load the l18n library.
require( ABSPATH . WPINC . '/l10n.php' );
// Run the installer if WordPress is not installed.
wp_not_installed();
// Load most of WordPress.
require( ABSPATH . WPINC . '/class-wp-walker.php' );
//require( ABSPATH . WPINC . '/class-wp-ajax-response.php' );
require( ABSPATH . WPINC . '/formatting.php' );
require( ABSPATH . WPINC . '/capabilities.php' );
require( ABSPATH . WPINC . '/query.php' );
require( ABSPATH . WPINC . '/theme.php' );
require( ABSPATH . WPINC . '/user.php' );
require( ABSPATH . WPINC . '/meta.php' );
require( ABSPATH . WPINC . '/general-template.php' );
require( ABSPATH . WPINC . '/link-template.php' );
//require( ABSPATH . WPINC . '/author-template.php' );
require( ABSPATH . WPINC . '/post.php' );
//require( ABSPATH . WPINC . '/post-template.php' );
//require( ABSPATH . WPINC . '/category.php' );
//require( ABSPATH . WPINC . '/category-template.php' );
require( ABSPATH . WPINC . '/comment.php' );
//require( ABSPATH . WPINC . '/comment-template.php' );
require( ABSPATH . WPINC . '/rewrite.php' );
//require( ABSPATH . WPINC . '/feed.php' );
//require( ABSPATH . WPINC . '/bookmark.php' );
//require( ABSPATH . WPINC . '/bookmark-template.php' );
require( ABSPATH . WPINC . '/kses.php' );
require( ABSPATH . WPINC . '/cron.php' );
//require( ABSPATH . WPINC . '/deprecated.php' );
require( ABSPATH . WPINC . '/script-loader.php' );
require( ABSPATH . WPINC . '/taxonomy.php' );
//require( ABSPATH . WPINC . '/update.php' );
//require( ABSPATH . WPINC . '/canonical.php' );
require( ABSPATH . WPINC . '/shortcodes.php' );
require( ABSPATH . WPINC . '/media.php' );
require( ABSPATH . WPINC . '/http.php' );
require( ABSPATH . WPINC . '/class-http.php' );
require( ABSPATH . WPINC . '/widgets.php' );
require( ABSPATH . WPINC . '/nav-menu.php' );
//require( ABSPATH . WPINC . '/nav-menu-template.php' );
//require( ABSPATH . WPINC . '/admin-bar.php' );
// Load multisite-specific files.
if ( is_multisite() ) {
require( ABSPATH . WPINC . '/ms-functions.php' );
require( ABSPATH . WPINC . '/ms-default-filters.php' );
require( ABSPATH . WPINC . '/ms-deprecated.php' );
}
// Define constants that rely on the API to obtain the default value.
// Define must-use plugin directory constants, which may be overridden in the sunrise.php drop-in.
wp_plugin_directory_constants( );
// Load must-use plugins.
/*foreach ( wp_get_mu_plugins() as $mu_plugin ) {
include_once( $mu_plugin );
}
unset( $mu_plugin );*/
// Load network activated plugins.
if ( is_multisite() ) {
foreach( wp_get_active_network_plugins() as $network_plugin ) {
include_once( $network_plugin );
}
unset( $network_plugin );
}
do_action( 'muplugins_loaded' );
if ( is_multisite() )
ms_cookie_constants(  );
// Define constants after multisite is loaded. Cookie-related constants may be overridden in ms_network_cookies().
wp_cookie_constants( );
// Define and enforce our SSL constants
wp_ssl_constants( );
// Create common globals.
require( ABSPATH . WPINC . '/vars.php' );
// Make taxonomies and posts available to plugins and themes.
// @plugin authors: warning: these get registered again on the init hook.
create_initial_taxonomies();
create_initial_post_types();
// Register the default theme directory root
//register_theme_directory( get_theme_root() );
// Load active plugins.
/*foreach ( wp_get_active_and_valid_plugins() as $plugin )
include_once( $plugin );
unset( $plugin );*/
// Load pluggable functions.
require( ABSPATH . WPINC . '/pluggable.php' );
//require( ABSPATH . WPINC . '/pluggable-deprecated.php' );
// Set internal encoding.
wp_set_internal_encoding();
// Run wp_cache_postload() if object cache is enabled and the function exists.
if ( WP_CACHE && function_exists( 'wp_cache_postload' ) )
wp_cache_postload();
do_action( 'plugins_loaded' );
// Define constants which affect functionality if not already defined.
wp_functionality_constants( );
// Add magic quotes and set up $_REQUEST ( $_GET + $_POST )
wp_magic_quotes();
do_action( 'sanitize_comment_cookies' );
/**
* WordPress Query object
* @global object $wp_the_query
* @since 2.0.0
*/
$wp_the_query = new WP_Query();
/**
* Holds the reference to @see $wp_the_query
* Use this global for WordPress queries
* @global object $wp_query
* @since 1.5.0
*/
$wp_query =& $wp_the_query;
/**
* Holds the WordPress Rewrite object for creating pretty URLs
* @global object $wp_rewrite
* @since 1.5.0
*/
$wp_rewrite = new WP_Rewrite();
/**
* WordPress Object
* @global object $wp
* @since 2.0.0
*/
$wp = new WP();
/**
* WordPress Widget Factory Object
* @global object $wp_widget_factory
* @since 2.8.0
*/
$GLOBALS['wp_widget_factory'] = new WP_Widget_Factory();
do_action( 'setup_theme' );
// Define the template related constants.
wp_templating_constants(  );
// Load the default text localization domain.
load_default_textdomain();
// Find the blog locale.
$locale = get_locale();
$locale_file = WP_LANG_DIR . "/$locale.php";
if ( ( 0 === validate_file( $locale ) ) && is_readable( $locale_file ) )
require( $locale_file );
unset($locale_file);
// Pull in locale data after loading text domain.
require( ABSPATH . WPINC . '/locale.php' );
/**
* WordPress Locale object for loading locale domain date and various strings.
* @global object $wp_locale
* @since 2.1.0
*/
$GLOBALS['wp_locale'] = new WP_Locale();
// Load the functions for the active theme, for both parent and child theme if applicable.
/*if ( ! defined( 'WP_INSTALLING' ) || 'wp-activate.php' === $pagenow ) {
if ( TEMPLATEPATH !== STYLESHEETPATH && file_exists( STYLESHEETPATH . '/functions.php' ) )
include( STYLESHEETPATH . '/functions.php' );
if ( file_exists( TEMPLATEPATH . '/functions.php' ) )
include( TEMPLATEPATH . '/functions.php' );
}*/
do_action( 'after_setup_theme' );
// Load any template functions the theme supports.
//require_if_theme_supports( 'post-thumbnails', ABSPATH . WPINC . '/post-thumbnail-template.php' );
// Set up current user.
$wp->init();
/**
* Most of WP is loaded at this stage, and the user is authenticated. WP continues
* to load on the init hook that follows (e.g. widgets), and many plugins instantiate
* themselves on it for all sorts of reasons (e.g. they need a user, a taxonomy, etc.).
*
* If you wish to plug an action once WP is loaded, use the wp_loaded hook below.
*/
do_action( 'init' );
// Check site status
if ( is_multisite() ) {
if ( true !== ( $file = ms_site_check() ) ) {
require( $file );
die();
}
unset($file);
}
/**
* This hook is fired once WP, all plugins, and the theme are fully loaded and instantiated.
*
* AJAX requests should use wp-admin/admin-ajax.php. admin-ajax.php can handle requests for
* users not logged in.
*
* @link http://codex.wordpress.org/AJAX_in_Plugins
*
* @since 3.0.0
*/
do_action('wp_loaded');
endif;
//require( ABSPATH . WPINC . '/pluggable.php' );

状況に応じて、コメントアウトされた部分を追加したり、コメントアウトしたりすれば良い。 これで、ajaxでloadするページのもっさり感がかなり解消されることは間違いない。

参照:http://wordpress.stackexchange.com/questions/28342/is-there-a-way-to-use-the-wordpress-users-but-without-loading-the-entire-wordpre

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