<?php
if(!isset($_POST['gallery']) || !isset($_POST['id']))
    die('Invalid Input');

$post_id = intval(strip_tags(trim($_POST['id'])));
$gallery = strip_tags(trim($_POST['gallery']));

require_once '../../../../wp-load.php';
include_once '../classes/BigGallery.php';
$post = get_post($post_id);
$attr = sanitize_gallery_attributes($gallery);
$bigGallery = new BigGallery($post, $attr);
$gallery = str_replace('[gallery', '[biggallery', $gallery);
echo json_encode(array('gallery' => $bigGallery->generate_gallery(), 'shortcode' => $gallery));
?>