Untitled

<?php
/*
|3y sA^Dev!L
*/
if(!$_POST['host'] or !$_POST['user'] or !$_POST['db'] or !$_POST['dbl'] or !$_POST['col']){
echo"
</head>
<html>
<form action='' method='POST'>
<center>Host: </center><center><input type='text' name='host' value='localhost'><br /></center>
<center>User: </center><center><input type='text' name='user'><br /></center>
<center>Pass: </center><center><input type='text' name='pass'><br /></center>
<center>Datebase:</center><center><input type='text' name='db'><br /></center>
<center>Table:   </center><center><input type='text' name='dbl'><br /></center>
<center>Column:  </center><center><input type='text' name='col'><br /></center>
<center><br />   </center><center><input type='submit' value='submit' name='submit'></center>
</form>
</html>";
}
if($_POST['submit']){
$host = $_POST['host'];
$user = $_POST['user'];
$pass = $_POST['pass'];
$db = $_POST['db'];
$dbl = $_POST['dbl'];
$col = $_POST['col'];
mysql_connect($host,$user,$pass) or die(mysql_error());
mysql_select_db($db);
$sql = mysql_query("SELECT * FROM $dbl") or die(mysql_error());
while ($email = mysql_fetch_array($sql)){
echo ''.$email["$col"].'<br>';
}
}
?>