<?php
$array = array();
$x = 0;
while ( true ) {
	$string = str_shuffle('Chuck Norris');
	if (isset($array[$string])) {
		
		echo "Failed (Duplicate) at $x";
		break;
	}
	$array[$string] = 1;
	$x ++;
}

?>

Failed (Duplicate) at 27448