/**
* Checks if provided hash has been computed by most recent algorithm
* returns true if otherwise
*
* @param string $hash
* the hash to be checked
* @return boolean
* whether the hash should be re-computed
*/
public static function requiresMigration($hash)
{
$version = substr($hash, 0, 8);
if ($version == PBKDF2::PREFIX) {
// salted PBKDF2, let the responsible class decide
return PBKDF2::requiresMigration($hash);
} else {
// everything else
return true;
}
}
