Wallbase Get Image (API)

<?php

$method = $_GET["method"];

if ($method == "search")
{
    // Get Variables
    $term = $_GET["term"];
    $cat = $_GET["cat"];
    $size = $_GET["size"];
    $pur = $_GET["pur"];
    $num = $_GET["num"];

    // Generate Link
    $l = "http://wallbase.cc/search/" . $term . "/" . $cat . "/" . "eqeq" . "/" . $size . "/" . "0" . "/" . $pur . "/" . $num . "/";
}
elseif ($method == "toplist")
{
    // Get Variables
    $cat = $_GET["cat"];
    $size = $_GET["size"];
    $pur = $_GET["pur"];
    $num = $_GET["num"];
    $time = $_GET["time"];

    // Generate Link
    $l = "http://wallbase.cc/toplist/0/" . $cat . "/" . "eqeq" . "/" . $size . "/" . "0" . "/" . $pur . "/" . $num . "/" . $time . "/";
}
elseif ($method == "random")
{
    // Get Variables
    $cat = $_GET["cat"];
    $size = $_GET["size"];
    $pur = $_GET["pur"];
    $num = $_GET["num"];

    // Generate Link
    $l = "http://wallbase.cc/random/" . $cat . "/" . "eqeq" . "/" . $size . "/" . "0" . "/" . $pur . "/" . $num . "/";
}
else
{

}

$page = file_get_contents($l);
$page = explode("\n", $page);

$total = 0;
$array[0] = "Message for the captain: S.O.S.! We're in great danger!";

for ($i = 0; $i < count($page); $i++)
{
    $match = strstr($page[$i], "<a href=\"http://wallbase.cc/wallpaper/");
    if ($match)
    {
        $total++;

        $var_t = explode('"', $page[$i]);
        array_push($array, $var_t[1]);
    }
}

$rand = rand(1, $num);
$page_2 = $array["{$rand}"];
$page_2 = file_get_contents($page_2);
$page_2 = explode("\n", $page_2);

$total_2 = 0;

for ($i = 0; $i < count($page_2); $i++)
{
    $match = strstr($page_2[$i], "<img src=\"http://ns223506.ovh.net/");
    if ($match)
    {
        $total_2++;

        $var_t = explode('"', $page_2[$i]);
        $img = $var_t[1];
    }
}

echo $img;

?>