function tdr_save_local_key_value_pair()
{
// Initialize
$tdr_product = new Thunder_Plugin_Products();
// Setup request return info for client callback
$return_array = array('message' => '', 'confirm_message' => '', 'confirm_request' => false, 'error' => '', 'confirmation_key' => '');
// Check javascript client script version
if ($_POST['client_version'] != 0.1) {
$return_array['error'] = 'Your browser has an old version of the page loaded. Please try refreshing your page or clearing your browser cache, then try again.';
} else {
// Parse Data
$key_value_pairs = $_POST['key_value_json'];
$key_value_pairs = stripslashes($key_value_pairs);
$key_value_pairs = json_decode($key_value_pairs, true);
$save_changes = true;
// Save changes unless revoked below (no data &&& no confirmation)
if (empty($key_value_pairs)) {
// Check for confirmation key
if (!isset($_POST['confirmation_key'])) {
$return_array['confirm_request'] = true;
$return_array['confirm_message'] = 'No data was received. If you wanted to clear the data in this section, please confirm.';
$save_changes = false;
}
// Else will proceed
}
if ($save_changes) {
// Ensure meta_id is valid (exists)
$meta_id = esc_html($_POST['meta_id']);
$meta_array = $tdr_product->define_custom_meta_types();
$meta_id_valid = false;
foreach ($meta_array as $meta_entry) {
if ($tdr_product->underscore($meta_entry['uuid']) == $meta_id) {
$meta_id_valid = true;
}
}
if (!$meta_id_valid) {
$return_array['error'] = 'The submission request contained tampered information.';
} else {
// Need to get post id for ajax calling post
$post_id = $_POST['post_id'];
$meta_value = get_post_meta($post_id, $meta_id, true);
// JSON Encode the meta
$new_meta_value = json_encode($key_value_pairs);
/* If there the new meta value is blank but an old value existed, delete it. */
if ('' == $new_meta_value && $meta_value) {
delete_post_meta($post_id, $meta_id, $meta_value);
} else {
update_post_meta($post_id, $meta_id, $new_meta_value);
}
// echo('Nice. We have found json that has ' . count( $key_value_json ) . ' pairs');
// echo('Nice. You are on post ' . $post_id);
$return_array['message'] = 'Your changes have been saved';
}
}
}
$return_json = json_encode($return_array);
echo $return_json;
die;
// this is required to return a proper result
}
