/**
* Disable profiling
*
* (Default.) Sets an internal flag telling IOProfiler to return
* immediately without performing any actions for all methods except
* instance construction.
*
* This implementation makes it possible to enable and disable profiling
* several times throughout the life of a program and still count time from
* the moment of construction.
*
* @return null
*/
public static function disable()
{
self::$_enabled = false;
}
