upload_image.php

<?php
 $action = htmlspecialchars($_POST['action']);

 $response = array("success" => FALSE);

// upload dengan metode multipart
 if($action == "multipart") {
     if ($_FILES["photo"]["error"] > 0) {
      $response["success"] = FALSE;
   $response["message"] = "Upload Failed";
// upload dengan metode base64
     } else {
   $name_file=htmlspecialchars($_FILES['photo']['name']);

         if (@getimagesize($_FILES["photo"]["tmp_name"]) !== false) {

    move_uploaded_file($_FILES["photo"]["tmp_name"], $name_file);

    $response["success"] = TRUE;
       $response["message"] = "Upload Successfull";

   }else{
    $response["success"] = FALSE;
    $response["message"] = "Upload Failed";
   }

   echo json_encode($response);
     }
 }else if($action == "base64") {
  $photo = htmlspecialchars($_POST['photo']);

  $photo = str_replace('data:image/png;base64,', '', $photo);
  $photo = str_replace(' ', '+', $photo);

  $data = base64_decode($photo);
  $file = uniqid() . '.png';

  file_put_contents($file, $data);

  $response["success"] = TRUE;
  $response["message"] = "Upload Successfull";

  echo json_encode($response);
 }

?>