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<?php
error_reporting(E_ALL);
ini_set('display_errors', 1);
if(isset($_GET['id'])) {
include "inc/db.inc.php";
  if(isset($_FILES['fileToUpload'])){
      $errors= array();
      $file1 = $_FILES['fileToUpload']['name'];
      $file2 = $_FILES['fileToUpload2']['name'];
      $file3 = $_FILES['fileToUpload3']['name'];
      for($i=1;$i<=3;$i++) {
      $file_name = $_FILES['fileToUpload'.$i]['name'];
      $file_size =$_FILES['fileToUpload'.$i]['size'];
      $file_tmp =$_FILES['fileToUpload'.$i]['tmp_name'];
      $file_type=$_FILES['fileToUpload'.$i]['type'];
      $file_ext=strtolower(end(explode('.',$_FILES['fileToUpload'.$i]['name'])));

      $expensions= array("jpeg","jpg","png");

      if(in_array($file_ext,$expensions)=== false){
         header("location: edit_product.php?msg=notimage");
      }

      if($file_size > 2097152){
         header("location: edit_product.php?msg=toolarge");
      }

        if(empty($_FILES['fileToUpload'.$i])) {
         header("location: upimage.php?msg=emptyfile");
        }
      }
      if(empty($errors)==true){
        for($i=1;$i<=3;$i++) {
         move_uploaded_file($file_tmp,"../images/".$file_name);
       }
       $id = $_GET['id'];
         $sql = "UPDATE productslider SET img_product = '$file1', img_product2 = '$file2', img_product3 = '$file3' WHERE idProduct = '$id'";
        $query = mysqli_query($conn, $sql);
        if($query) {
        header("location: upimage.php?msg=success");
      } else {
        header("location: upimage.php?msg=error");
      }
      }
  }
}
  ?>