Lucas Tiago de Moraes
<?php
$acao = htmlspecialchars(trim($_REQUEST['acao']));
if ($acao == "ok"){
$url = htmlspecialchars(trim($_POST['site']));
$fp=@fopen("http://$url","r");
if($fp == 1) echo "Existe";
else echo "não existe";
}else{
echo "<form method=post action=texte.php>
<input type=hidden name=acao value=ok>
<font color=red size=4>Texte para ver se tal site existe!<br></font>
<input type=text name=site size=20 maxlength=50>
<input type=submit value=OK>";
}
?>