Private Access Private Access

This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

Summery Summery

Retrieve an array of must-use plugin files.

Syntax Syntax


Description Description

The default directory is wp-content/mu-plugins. To change the default directory manually, define WPMU_PLUGIN_DIR and WPMU_PLUGIN_URL in wp-config.php.

Return Return

(string[]) Array of absolute paths of files to include.

Source Source

File: wp-includes/load.php

	 * If cache supports reset, reset instead of init if already
	 * initialized. Reset signals to the cache that global IDs
	 * have changed and it may need to update keys and cleanup caches.
	if ( ! $first_init && function_exists( 'wp_cache_switch_to_blog' ) ) {
		wp_cache_switch_to_blog( get_current_blog_id() );
	} elseif ( function_exists( 'wp_cache_init' ) ) {

	if ( function_exists( 'wp_cache_add_global_groups' ) ) {
		wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'blog-lookup', 'blog-details', 'site-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites', 'blog_meta' ) );
		wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) );

	$first_init = false;



Changelog Changelog

Version Description
3.0.0 Introduced.


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