<html>
<head>
<title>Verifica a existencia de uma URL</title>
<meta name="author" content="Lucas Barbosa Lacerda">
</head>
<body>
<form action="<?=$_PHP_SELF;?>" method="post">
<input type="text" name="url" value="http://">
<input type="submit" value="Verificar">
</form>
<b>Status:</b> <?
if ($_POST['url'])
{
$sitio = @fopen($_POST['url'],"r");

if ($sitio){
echo "Site online";
}else{
echo "Site offline";
}
}
?>
<br>
<hr>

Por Lucas Barbosa Lacerda - briguites@hotmail.com
</body>
</html>