How to setup a secured browse button for imges in your web page

Following is the code for secured browse button on a web page. Just type this code in your web page and setup a secured browse button on your web page ....

<?php if (isset($_POST['Upload'])) {             $target_path = DVWA_WEB_PAGE_TO_ROOT."hackable/uploads/";             $target_path = $target_path . basename($_FILES['uploaded']             ['name']);             $uploaded_name = $_FILES['uploaded']['name'];             $uploaded_ext = substr($uploaded_name, strrpos($uploaded_name,             '.') + 1);             $uploaded_size = $_FILES['uploaded']['size'];             if (($uploaded_ext == "jpg" || $uploaded_ext == "JPG" ||             $uploaded_ext == "jpeg" || $uploaded_ext == "JPEG") &&             ($uploaded_size < 100000)){                 if(!move_uploaded_file($_FILES['uploaded']['tmp_name'],                 $target_path)) {                                        echo '<pre>';                     echo 'Your image was not uploaded.';                     echo '</pre>';                                  } else {                                    echo '<pre>';                     echo $target_path . ' succesfully uploaded!';                     echo '</pre>';                                        }             }                        else{                                echo '<pre>';                 echo 'Your image was not uploaded.';                 echo '</pre>';             }         }   ?>