Untitled

<!doctype html>

<html>
	<head>
		<meta charset="utf-8">
		<title>Registration</title>

		<link href="img/favicon/unihez.JPG" rel="shortcut icon"/>

		<link rel="stylesheet" href="login_style.css">
	</head>

	<body>
		<div class="loginBox">
			<img src="img/favicon/unihez.JPG" class="user">
			<h2>Register In Here</h2>
			<form role="form" method="post" action="register.php">
				<p>Username</p>
				<input type="text" name="name" placeholder="Enter your username" required="">
				<p>Email</p>
				<input type="email" name="email" placeholder="Enter your Email" />
				<p>Password</p>
				<input type="password" name="pass" placeholder="••••••" required="">
				<input type="submit" name="register" value="register">
				<a href="login.php">login Here</a>
				<br />
				<a href="index.html">Main-Page</a>
			</form>
		</div>
	</body>
</html>
<?php
include ('db_connect.php');//CONNECTION
if(isset($_POST["register"]))
{
	$user_name = $_POST['name'];//Getting the post from the array after submitting form
	$user_pass = $_POST['pass'];
	$user_email = $_POST['email'];

    if($user_email=='')
    {
        echo"<script>alert('Please enter the email')</script>";
    exit();
    }

//its check weather if user already registered so can't register again.

    $check_email_query="select * from users WHERE user_email='$user_email'";
    $run_query=mysqli_query($dbcon,$check_email_query);

    if(mysqli_num_rows($run_query)>0)
    {
echo "<script>alert('Email $user_email is already exist in our database, Please try another one!')</script>";
exit();
	}

//insert the user into the database.
    $insert_user="insert into users (user_name,user_pass,user_email) VALUE ('$user_name','$user_pass','$user_email')";
    if(mysqli_query($dbcon,$insert_user))
    {
        echo"<script>window.open('login.php','_self')</script>";
    }

}

?>