<?php
        if(isset($_FILES['image'])){
                $errors= array();
                $file_name = $_FILES['image']['name'];
                $file_size =$_FILES['image']['size'];
                $file_tmp =$_FILES['image']['tmp_name'];
                $file_type=$_FILES['image']['type'];   
                $file_ext=strtolower(end(explode('.',$_FILES['image']['name'])));

                $expensions= array("jpeg","jpg","png"); 
                if(in_array($file_ext,$expensions)=== false){
                        $errors[]="extension not allowed, please choose a JPEG or PNG file.";
                }
                if($file_size > 2097152){
                $errors[]='File size must be excately 2 MB';
                }
                if(empty($errors)==true){
                        move_uploaded_file($file_tmp,"tmp/".$file_name);
                        echo "Success";
                }else{
                        print_r($errors);
                }
        }
?>