[+] EDITÃ˜R MODE [+]

Edit File: admin.php

<!DOCTYPE html>
<html>

<head>

<meta name="viewport" content="width=device-width, initial-scale=1.0">
        <meta http-equiv="cache-control" content="max-age=0">
		<meta http-equiv="cache-control" content="no-cache">
    	<meta http-equiv="expires" content="0">
		<meta http-equiv="expires" content="Tue, 01 Jan 1980 1:00:00 GMT">
		<meta http-equiv="pragma" content="no-cache">
  <meta charset="UTF-8">

<title>Fontana Architetti - Log in</title>

</head>

<body>

<div id="login">
 
  <h1>Fontana Architetti - Log in</h1>
  <form name="form1" method="post" action="PHP_script/checklogin.php" >
    <input name="username" type="text" id="username" placeholder="user"/>
    <input name="password" type="password" id="password" placeholder="password" />
    <input type="submit" name="submit" value="Login" />
  </form>
</div>

<div id="error">
<?php
if($_GET["log"] === "error") echo "<h1>username e/o password sbagliati</h1>";
?>
</div>

</body>

</html>

Method: