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

Redirect to the installer if WordPress is not installed.

Syntax Syntax


Description Description

Dies with an error message when Multisite is enabled.

Source Source

File: wp-includes/load.php

			 * results in a wp_cache_init() function existing, we note
			 * that an external object cache is being used.
			if ( file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) {
				require_once WP_CONTENT_DIR . '/object-cache.php';
				if ( function_exists( 'wp_cache_init' ) ) {
					wp_using_ext_object_cache( true );

				// Re-initialize any hooks added manually by object-cache.php.
				if ( $wp_filter ) {
					$wp_filter = WP_Hook::build_preinitialized_hooks( $wp_filter );
		} elseif ( ! wp_using_ext_object_cache() && file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) {
			 * Sometimes advanced-cache.php can load object-cache.php before
			 * this function is run. This breaks the function_exists() check
			 * above and can result in wp_using_ext_object_cache() returning


Changelog Changelog

Version Description
3.0.0 Introduced.


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