jmccaffrey

<?php 	$letters = range('a', 'z');	permutate($letters, 3);		function permutate(&$letters, $depth, $string = "")	{		if ($depth == 0) {			echo "Combo: $string\r\n";			return;		}				foreach ($letters as $l) {			permutate($letters, $depth - 1, $string . $l);		}	}?>