<?php
include('dbconnect.php');
$home_id = $_GET['id'];
$category_name=$_POST['category_name'];
$desc=$_POST['category_description'];
$num=$_POST['category_num'];
$sub = array_filter($_POST['sub_cat']); 
$sub_cat=implode(',', $sub);
$squery = "select * from category WHERE id='$home_id'";
        $result = mysqli_query($conn, $squery);
        while( $row = mysqli_fetch_array($result))
        {




           $imag=$row['image'];





$image_name = basename($_FILES["image"]["name"]);
$target_file =  "./img/".basename($_FILES["image"]["name"]);
  move_uploaded_file($_FILES["image"]["tmp_name"], $target_file);


  if ($conn->connect_error)
   {
    die("connecion failed:" .$conn->connect_error);
  }
$a = null;




if ($image_name==$a) 
{
  mysqli_query($conn,"  UPDATE `category` SET `category_name`='$category_name',`description`='$desc',`image`='$imag',`num`='$num',sub_category='$sub_cat' where id='$home_id' ");

  if(mysqli_affected_rows($conn) > 0){
    echo "<script> alert('update success'); window.location.href='category_list.php'; </script>";
  } else {
     echo "<script> alert('update not success'); window.location.href='category_list.php'; </script>";
    echo mysqli_error ($conn);
  } 
}

else
 {
 mysqli_query($conn,"  UPDATE `category` SET `category_name`='$category_name',`description`='$desc',`image`='$image_name',`num`='$num',sub_category='$sub_cat' where id='$home_id' ");

  if(mysqli_affected_rows($conn) > 0){
    echo "<script> alert('update success'); window.location.href='category_list.php'; </script>";
  } else {
     echo "<script> alert('update not success'); window.location.href='category_list.php'; </script>";
    echo mysqli_error ($conn);
  } 
}






}
?>