<?php
$s = "e8v5i0l9ny3hw1f24z7q6";
if(strlen($s) == 10) //do we have 10 digits ? if (!preg_match('/(\d)(\1+)/i', $s)) //if no repeated digits echo "String has 10 different digits";
PD9waHAKCiRzID0gImU4djVpMGw5bnkzaHcxZjI0ejdxNiI7CiRzID0gcHJlZ19yZXBsYWNlKCcvW15cZF0vaScsICcnLCAkcyk7IC8vcmVtb3ZlIG5vbiBkaWdpdHMKaWYoc3RybGVuKCRzKSA9PSAxMCkgLy9kbyB3ZSBoYXZlIDEwIGRpZ2l0cyA/CmlmICghcHJlZ19tYXRjaCgnLyhcZCkoXDErKS9pJywgJHMpKSAgLy9pZiBubyByZXBlYXRlZCBkaWdpdHMKZWNobyAiU3RyaW5nIGhhcyAxMCBkaWZmZXJlbnQgZGlnaXRzIjs=