Untitled

<html>
<head>
<title>Главная страница</title>
</head>
<body>

<div id="one">
<form action="save_user.php" method="post" id="form_one" >

                      <div class="form-group">
                        <input name="first_name" placeholder="First Name"  type="text"  >
                      </div>
                      <div class="form-group">
                        <input  name="last_name" placeholder="Last Name"  type="text" >

                      </div>
                      <div class="form-group">
                        <input  name="email" placeholder="Email"  type="text" >

                      </div>
                      <div class="form-group">
                        <button type="submit" id="btn_1"><span>NEXT</span></button>
</form>
</div>

<div id="two">
<form action="save_user.php" method="post" id="form_two" >

                      <div class="form-group">
                        <input name="password" placeholder="Password" type="text"  >
                      </div>
                      <div class="form-group">
                        <input  name="password" placeholder="Confirm password" type="text" >

                      <div class="form-group">
                        <button type="submit" id="btn_2"><span>NEXT</span></button>
</form>
</div>
</body>
</html>

<?php
if (isset($_POST['first_name'])) { $first_name = $_POST['first_name']; if ($first_name == '') { unset($first_name);} }
if (isset($_POST['last_name'])) { $last_name = $_POST['last_name']; if ($last_name == '') { unset($last_name);} }
if (isset($_POST['email'])) { $email=$_POST['email']; if ($email =='') { unset($email);} }
if (isset($_POST['password'])) { $password=$_POST['password']; if ($password =='') { unset($password);} }

if (empty($first_name) or empty($last_name) or empty($email))
{
exit ();
}

$first_name = stripslashes($first_name);
$first_name = htmlspecialchars($first_name);

$last_name = stripslashes($last_name);
$last_name = htmlspecialchars($last_name);

$email = stripslashes($email);
$email = htmlspecialchars($email);

$password = stripslashes($password);
$password = htmlspecialchars($password);

$first_name = trim($first_name);
$last_name = trim($last_name);
$email = trim($email);
$password = trim($password);

include ("bd.php");


$result = mysql_query("SELECT id FROM cust WHERE first_name='$first_name'",$db);
$myrow = mysql_fetch_array($result);
if (!empty($myrow['id'])) {
exit ();
}


$result2 = mysql_query ("INSERT INTO cust (first_name,last_name,email,password) VALUES('$first_name','$last_name','$email','$password')");

if ($result2=='TRUE')
{
header("Location: index.php");
exit();
}

else {
echo "Missing fields";
     }
?>