cat.php

<?php
	interface Attribute {
		function __toString();
	}
	abstract class Hair implements Attribute {}
	class ShortHair extends Hair {
		public function __toString() {
			return "I have short hair.\n";
		}
	}
	class LongHair extends Hair {
		public function __toString() {
			return "I have long hair.\n";
		}
	}

	abstract class Eyes implements Attribute {}
	class BrownEyes extends Eyes {
		public function __toString() {
			return "I have brown eyes.\n";
		}
	}
	class GreenEyes extends Eyes {
		public function __toString() {
			return "I have green eyes.\n";
		}
	}
	class BlueEyes extends Eyes {
		public function __toString() {
			return "I have blue eyes.\n";
		}
	}

	class CatFactory {
		private $Hair;
		private $Eyes;
	
		function __construct(Hair $hair, Eyes $eyes) {
			$this->Hair = $hair;
			$this->Eyes = $eyes;
		}
	
		function getHair() {
			return clone $this->Hair;
		}
		function getEyes() {
			return clone $this->Eyes;
		}
	}
?>