Get picture url

<?php
header("Content-Type:text/plain");
set_time_limit (0);
$dir = dirname(__FILE__);
$data = file_get_contents("$dir/full_html.htm");

// regex find url
preg_match_all('@https://fbcdn-sphotos-[a-z]+-a.akamaihd.net/hphotos-ak-[a-z0-9]+/t1.0-9/p417x417/[0-9]+_[0-9]+_[0-9]+_[a-z]+.jpg@si',$data,$url);
$url = $url['0'];


$i = 1;

foreach ($url as $key => $vaule) {

    $vaule = str_replace("/p417x417/", "/", $vaule); // make it to link full resulotion
    download_img($vaule,$i);
    $i++;
}


function download_img($url,$num) { // download funcion

    $img = imagecreatefromjpeg($url);
    $path = "downloads/$num.jpg";
    imagejpeg($img, $path);

    echo "Downloaded $num \n";
}


die(); // get exit code 0


?>