- var_dump: documentation ( source)
- hash_pbkdf2: documentation ( source)
<?php
$salt = '1234567890123450';
$iterations = 10;
$length = 0;
$hash1 = hash_pbkdf2('sha1', 'plnlrtfpijpuhqylxbgqiiyipieyxvfsavzgxbbcfusqkozwpngsyejqlmjsytrmd', $salt, $iterations, $length);
$hash2 = hash_pbkdf2('sha1', "eBkXQTfuBqp'cTcar&g*", $salt, $iterations, $length);
var_dump($hash1 === $hash2);