Zone-H Mass Notify

<html>
<style type="text/css">
html {
    margin: 10px auto;
    text-align: center;
    background: #000000;
    color: #008000;
}
a {
    color: lime;
    text-decoration: none;
}
textarea, input {
    border: 1px solid #008000;
    color: #bb0000;
    background: transparent;
}
</style>
<form method="post">
Target: <br>
<textarea name="url" style="resize: none; margin: 5px auto; padding-left: 5px; width: 500px; height: 250px;" placeholder="http://target.com"></textarea><br>
<input type="submit" name="go" value="Croot" style="margin: 5px auto; width: 250px; height: 20px;">
</form>
<?php
$url = explode("\r\n", $_POST['url']);
$go = $_POST['go'];
function sendsite($target) {
    $ch = curl_init();
          curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
          curl_setopt($ch, CURLOPT_URL, "http://zone-h.org/notify/single");
          curl_setopt($ch, CURLOPT_POST, true);
          curl_setopt($ch, CURLOPT_POSTFIELDS, array(
            "defacer" => "Codename", #Change your nick here
            "domain1" => $target,
            "hackmode" => "1",
            "reason" => "1",
            ));
    $res = curl_exec($ch);
          curl_close($ch);
    return preg_match("/<font color=\"red\">OK<\/font><\/li>/", $res);
}
if($go) {
    foreach($url as $sites) {
        if(sendsite($sites)) {
            echo "$sites => Ok<br>";
        } else {
            echo "$sites => Error<br>";
        }
    }
}
?>
</html>