WordPress at a glance
function is not described

wp_supercache_domain_mapping_exists() WPSCache 1.0

No Hooks.

Return

null. Nothing.

Usage

wp_supercache_domain_mapping_exists();

Code of wp_supercache_domain_mapping_exists() WPSCache 1.7.3

<?php
function wp_supercache_domain_mapping_exists() {
	global $cache_domain_mapping;

	$cache_domain_mapping = (int) $cache_domain_mapping;
	if ( 1 === $cache_domain_mapping ) {
		return;
	}

	if ( is_admin() && function_exists( 'domain_mapping_warning' ) ) {
		add_action( 'admin_notices', 'wp_supercache_domain_mapping_notice' );
	}
}