<?php
if(isset($_REQUEST['checking_api_file'])){
    exit();
}

$calendar_id = $_REQUEST['calendar_id'];

$status = false;

if(!empty(intval($calendar_id))){
    $sql_statment = "SELECT * FROM `keylab_calendar` WHERE id = $calendar_id";
    $result = $wpdb->get_results($sql_statment);
    $status = true;
}

foreach ($result as $item){
    $item->ann_list = unserialize($item->ann_list) ?: [];
    $item->source = unserialize($item->source) ?: [];
    $item->calendar_file = unserialize($item->calendar_file) ?: [];
}

$rv->status = $status;
$rv->list = $result[0];

exit(json_encode($rv));
?>