
<?php
class Test implements Iterator
{
	public $arr = array(1, 2, 3);
	public $x = 0;
	
	public function rewind()    { if ($this->x == 0) throw new Exception(__METHOD__); reset($this->arr); }
	public function current()   { if ($this->x == 1) throw new Exception(__METHOD__); return current($this->arr); }
	public function key()       { if ($this->x == 2) throw new Exception(__METHOD__); return key($this->arr); }
	public function next()      { if ($this->x == 3) throw new Exception(__METHOD__); next($this->arr); }
	public function valid()     { if ($this->x == 4) throw new Exception(__METHOD__); return (key($this->arr) !== NULL); }
}

$t = new Test();

while($t->x < 5)
{
	try
	{
	    foreach($t as $k => $v)
	    {
	        echo "Current\n";
	    }
	}
	catch(Exception $e)
	{
	    echo "Caught in " . $e->getMessage() . "()\n";
	}
	$t->x++;
}
?>
===DONE===
