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@ 2014-09-26T11:09:27Z

<?php
$mykey = uniqid("\x00");
$mykey = preg_replace('/[a-zA-Z]/', "4", $mykey);

$var[$mykey] = TRUE;
foreach($var as $key => $val) 
{
	if ($key === $mykey) {
		echo 'You got it right';
	} else {
		echo 'You got it wrong';
	}
}

Output
Performance
VLD
References
Branches

uniqid: documentation ( source)
preg_replace: documentation ( source)

preferences:dark modelive preview

31.9 ms | 402 KiB | 5 Q