Mine

<?phpclass Timoulator {	//tim_grey_flip.png	const DIR = '/Users/andrew/Sites/timwouldlickit/images/';	const IMG = 'tim';	const FLIP = '_flip';	const GREY = '_grey';	const SATURATED = '_saturated';	const EXT = '.png';		private $isFlipped;	private $scale;	private $saturation;	private $result;		public function __construct ( $isFlipped = false, $scale = 100, $saturation = 100 )	{		$this->isFlipped = $isFlipped;		$this->scale = $scale;		$this->saturation = $saturation;		if ( $isFlipped )		{			$src = self::DIR . self::IMG . self::FLIP . self::EXT ;		}		else		{			$src = self::DIR . self::IMG . self::EXT ;			}		$this->result = imagecreatefrompng($src);																	if ($saturation !== 100) {			$this->doSaturation();		}		if ($scale !== 100) {			$this->doScale();		}	}		private function doSaturation ()	{		# code...	}		private function doScale ()	{		# code...	}	}