Check if website is online or offline


<?php
if(isset($_POST['url'])){
$fp = fsockopen($_POST['url'], 80, $errno, $errstr, 30);
if (!$fp) {
echo "".$_POST['url']." Status:";
echo "$errstr ($errno)";
} else {
echo "".$_POST['url']." Status:";
echo "Online
";

fwrite($fp, $out);
while (!feof($fp)) {
echo fgets($fp, 128);
}
fclose($fp);
}
}
?>


<form action="" method="post">
URL(no http):<input type="text" name="url" value=""<
<input type="submit" name="submit" value="Check Status">
</form>