
<?php

echo "1st try\n";

class c1 {}

$obj = new c1();

foreach($obj as $w) {
	echo "object:$w\n";
}

echo "2nd try\n";

class c2 {

	public $max = 3;
	public $num = 0;

	function current() {
		echo __METHOD__ . "\n";
		return $this->num;
	}
	function next() {
		echo __METHOD__ . "\n";
		$this->num++;
	}
	function valid() {
		echo __METHOD__ . "\n";
		return $this->num < $this->max;
	}
	function key() {
		echo __METHOD__ . "\n";
		switch($this->num) {
			case 0: return "1st";
			case 1: return "2nd";
			case 2: return "3rd";
			default: return "???";
		}
	}
}

$obj = new c2();

foreach($obj as $v => $w) {
	echo "object:$v=>$w\n";
}

print "Done\n";
?>
