[PHP] GOOGLE SCRAPER v0.2

<?php
/*
     _____ _____ _ _____ _____         _____ _____ _____ _____
 ___|     | __  |_|  _  |_   _|___ ___|_   _|   __|  _  |     |
|_ -|   --|    -| |   __| | | |- _|___| | | |   __|     | | | |
|___|_____|__|__|_|__|    |_| |___|     |_| |_____|__|__|_|_|_|
|s C R i P T z - T E A M . i N F O|

Google scraper

WARN:
GOOGLE MAY BAN YOUR iP!

USAGE:
Just run :P
*/
set_time_limit(0);

define("WTF", "powered by vbulletin"); //WTF = What To Find :D
define("PN", "0"); //PG = Page Number
define("ST", "5"); //ST = Sleep Time => The more, The better

function get_url($url)
{
    $ch         = curl_init();
    $user_agent = "[N.i.X]";
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_USERAGENT, $user_agent);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    $content = curl_exec($ch);
    curl_close($ch);
    return $content;
}

function get_between($from, $to, $where, $position)
{
    $x  = explode($from, $where);
    $x  = explode($to, $x[$position]);
    $x_ = $x[0];
    return $x_;
}

for ($i = 1; $i <= 10; $i++) {
    $url = get_between('<h3 class="r"><a href="/url?q=', '&amp;', get_url("http://www.google.ca/search?q=".urlencode(WTF)."&hl=en&ie=UTF-8&prmd=xXx&ei=xXx&start=".PN."&sa=N"), $i);
    echo '<a href="' . $url . '">' . $url . '</a><br /><br />';
    sleep(ST);
}
?>