Toggles $_wp_using_ext_object_cache on and off without directly touching global.

Parameters

$usingbooloptional

Whether external object cache is being used.

Default:null

Return

Source

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;
}

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