<?php include("db_config.php"); 
if($_SERVER['REQUEST_METHOD']=='POST'){
	$sql="select * from category";
    $result = mysqli_query($conn, $sql);
     $json_response = array();
	if(mysqli_num_rows($result) > 0) {
		while($row = mysqli_fetch_assoc($result)) {
			$row_array = array();
        $row_array['cat_name'] = $row['cat_name'];        
        $row_array['id'] = $row['id'];
        $row_array['answers'] = array();
		$category = $row['id'];
		$sqls="select sub_category.* from sub_category where category_id='$category'";
	    $results = mysqli_query($conn, $sqls);
		while($rows = mysqli_fetch_assoc($results)){
		 $row_array['answers'][] = array(
                'sub_category_name' => $rows['sub_category_name'],
                'sub_categoryimg' => $rows['sub_categoryimg'],
            );
	      array_push($json_response, $row_array);
		}
		 //$tem[] = $row;
		 }
	  $json_response['status']=1;
	}
	else {
		//$json =  json_encode(array("status" => 0, "msg" => "data Not Found!"));
		$json_response['status']=0;
	}
	echo json_encode($json_response);
	//echo json_encode($response);
	mysqli_close($conn);
}