<?php
    require_once 'conn.php';

    if(ISSET($_FILES['file']['name'][0])){
        foreach($_FILES['file']['name'] as $key => $values){

            $file = explode(".", $values);
            $ext = array("png", "gif", "jpg", "jpeg");

            if(in_array($file[1], $ext)){
                $file_name = $file[0].'.'.$file[1];
                $tmp_file = $_FILES['file']['tmp_name'][$key];
                $location = "upload/".$file_name;

                if(move_uploaded_file($tmp_file, $location)){
                    $conn->query("INSERT INTO `upload` VALUES('', '$file_name', '$location')");
                }
            }
        }
    }
?>