$data = $_POST['data'];
  $servername = "localhost";
  $username = "kipkad_mage154";
  $password = "momoko123";
  $dbname = "kipkad_demo_kipcard";
  $conn = new mysqli($servername, $username, $password, $dbname);
$file_path = realpath("../media/rewardreceipt/");
$base64img = str_replace('data:image/jpeg;base64,', '', $base64img);
$data = base64_decode($base64img);
$file = $file_path . uniqid() . '.jpeg';
$success = file_put_contents($file, $data);
if(move_uploaded_file($success, $file_path) {
 $arr = array('result' =>$file);
 echo json_encode($arr);
} else{
 $arr = array('result' =>'false');
 echo json_encode($arr); }