Code:
<?php
session_start();
include ("connection.php");
if (isset($_POST["register"]))
{
	$name=$_POST['name'];
	$username=$_POST['username'];
	$password=md5($_POST['pwd']);
	$email=$_POST['email'];
	$gender=$_POST['sex'];
	$address=$_POST['area'];
	$religion=$_POST['list'];
	$image=$_FILES['file']['name'];
	
	
	$a=explode('.',$image);
...