public function enablePass($passName)
	{
		foreach (array_keys($this->disabledPasses, $passName, true) as $k)
		{
			unset($this->disabledPasses[$k]);
		}
	}
public function enablePass($passName)
	{
		foreach (array_keys($this->disabledPasses, $passName, true) as $k)
		{
			unset($this->disabledPasses[$k]);
		}
	}
public function enablePass ( $ passName ) { foreach ( array_keys ( $ this -> disabledPasses , $ passName , true ) as $ k ) { unset ( $ this -> disabledPasses [ $ k ] ) ; } }
Enable a given pass

@param  string $passName
@return void
Enable a given pass