/**
* If an exception occures, you can hook into the process that handles this exception
* and add your own logic. The callback may be a function or static method. If you wish
* to use a static method define this constant in this way: 'MyClass::myMethod'
*
* @param string $callback
*/
public static function setExceptionCallback($callback)
{
self::$exceptionCallback = $callback;
}
