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wp_using_ext_object_cache( bool $using = null )

Toggle $_wp_using_ext_object_cache on and off without directly touching global.

Parameters

$using

(bool) (Optional) Whether external object cache is being used.

Default value: null

Return

(bool) The current 'using' setting.

Source

File: wp-includes/load.php 

function wp_using_ext_object_cache( $using = null ) {
	global $_wp_using_ext_object_cache;
	$current_using = $_wp_using_ext_object_cache;
	if ( null !== $using ) {
		$_wp_using_ext_object_cache = $using;
	}
	return $current_using;
}

Used By

Used By Description
wp-includes/option.php: delete_expired_transients()

Deletes all expired transients.
wp-includes/class-wp-network.php: WP_Network::get_by_path()

Retrieve the closest matching network for a domain and path.
wp-includes/class-wp-query.php: WP_Query::get_posts()

Retrieves an array of posts based on query variables.
wp-includes/load.php: wp_start_object_cache()

Start the WordPress object cache.
wp-includes/option.php: set_site_transient()

Sets/updates the value of a site transient.
wp-includes/option.php: delete_site_transient()

Deletes a site transient.
wp-includes/option.php: get_site_transient()

Retrieves the value of a site transient.
wp-includes/option.php: get_transient()

Retrieves the value of a transient.
wp-includes/option.php: set_transient()

Sets/updates the value of a transient.
wp-includes/option.php: wp_load_core_site_options()

Loads and caches certain often requested site options if is_multisite() and a persistent cache is not being used.
wp-includes/option.php: delete_transient()

Deletes a transient.
wp-includes/nav-menu.php: wp_get_nav_menu_items()

Retrieves all menu items of a navigation menu.

Changelog

Version Description
3.7.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/wp_using_ext_object_cache