/**
* Find and return Template_Layers instance if it exists,
* or create a new instance if it didn't already exist.
*
* @param boolean $error_safe if error mode is on or off
* @return Template_Layers instance of the class
*/
public static function getInstance($error_safe = false)
{
if (self::$_instance === null) {
self::$_instance = new Template_Layers();
}
self::$_error_safe = $error_safe;
return self::$_instance;
}
