<?php 
header("Access-Control-Allow-Origin: *");
$target_dir = "d/";
 $id=$_POST["idx"];
 $firstName = $_POST["postdata"];
//$sdir=$_GET['sdir'];
 $sdir=$_POST["sdirx"];
 $target_dir = "$sdir/";
if(isset($_FILES['file']['name'])){
   // file name
   $filename = $_FILES['file']['name'];

// Location
   $location = $target_dir .$filename;

// file extension
   $file_extension = pathinfo($location, PATHINFO_EXTENSION);
   $file_extension = strtolower($file_extension);

// Valid extensions
   $valid_ext = array("pdf","doc","docx","jpg","png","jpeg","html","txt","mp4","mkv","webm");
//
$file_ext=strtolower(end(explode('.',$_FILES['file']['name'])));	
$expensions= array("jpeg","jpg","png");
$imageProperties = getimageSize($_FILES['file']['tmp_name']);
if (in_array($file_ext, $expensions))  $file_type=$imageProperties['mime'];

$fn= $filename ;				
$file_size =$_FILES['file']['size'];
$file_tmp =$_FILES['file']['tmp_name'];
$file_type=$_FILES['file']['type'];

$is_dir = is_dir($sdir);
if (!$is_dir) mkdir ($sdir);
$pfile_name="./".$sdir."/".$filename;
$dotext=".".$file_ext;
$fr=str_replace($dotext,"",$pfile_name);
$nfile_name=$fr."_".date('Ymdhia').".".$file_ext;
$cfile_name=$nfile_name;
//

require_once "configs.php";
// $id=$_GET["id"];
 if(in_array($file_extension,$valid_ext)){
$sql="INSERT INTO files(name,type,size) VALUES('$pfile_name','$file_type','$file_size')";
//echo "on process--$pfile_name=--$fn--||$cfile_name||--".$imgData;
  
    $res = $db->query($sql);

}
//
 $sql="update ansa set attachment='$pfile_name', hid=0 where id=".$id;
//echo "on process--$fixaid=--$hid--||$pfile_name||--".$imgData;
     
   $res = $db->query($sql);

//
$jj='{"code":"1","file":"'.$pfile_name.'"}';
 
   if(in_array($file_extension,$valid_ext)){
      // Upload file
      if(move_uploaded_file($_FILES['file']['tmp_name'],$location)){
         $response = "1";		 
      } 
	  //else $response = 0;
   }

// echo 'done';//{"code":"1","file","$pfile_name"}';
   echo base64_encode($jj);
// echo $jj;
exit;
}
?>

Edit file:uln.php2460