Simple bing dorker CLI

<?php
set_time_limit(0);
/**
 * @author: jjeincovers!
 * thx! sanjunganjiwa x idx!
 * usage: php bing.php 'bing_dork' -> with ' (ex: php bing.php '"/admin/" site:com')
*/

function getsource($url) {
    $curl = curl_init($url);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    $content = curl_exec($curl);
    curl_close($curl);
    return $content;
}
$do = urlencode($argv[1]);
if(isset($argv[1])) {
    $npage = 1;
    $npages = 30000;
    $allLinks = array();
    $lll = array();
    while($npage <= $npages) {
        $x = getsource("http://www.bing.com/search?q=".$do."&first=".$npage);
        if($x) {
            preg_match_all('#<h2><a href="(.*?)" h="ID#', $x, $findlink);
            foreach ($findlink[1] as $fl) array_push($allLinks, $fl);
            $npage = $npage + 10;
            if (preg_match("(first=" . $npage . "&amp)siU", $x, $linksuiv) == 0) break;
        } else break;
    }
    $URLs = array();
    foreach($allLinks as $url){
        echo "$url\n";
    }
}
?>