crack hash pvpgn

<?php

$hash = "7b74e0970b2e55e863a9a5f17ce74eaa7d6933e8";
if ( $pass = crack_xsha1($hash) )
    echo "password is '" . $pass . "'";
else
    echo "crack failed";

function crack_xsha1($hash)
{
    $url = "https://api.pvpgn.pro/bnethash/crack/" . $hash;
    if ( $response = file_get_contents($url) )
    {
        $json = json_decode($response);
        if ($json->result == "success")
            return $json->data;
    }
    return false;
}