WBCE CMS permalinks

perma.php

<?php
/**
 * @const string WB_URL
 * @const string PAGES_DIRECTORY
 * @const string PAGE_EXTENSION
 * @const string TP alias for TABLE_PREFIX
 */

/**
 * USAGE: put this file in the root directory of your WBCE installation,
 *        then call it like this: http://yourdomain.com/perma.php?p=123
 *        where 123 is the page id of the page you want to redirect to.
 *        (and perma.php is the name of this file)
 */
 
 

// load config file to access WB constants
require_once('config.php');

// this is the fallback url if no page is found 
$fallback_url = WB_URL;

// check if page id is given and numeric, redirect to fallback if not
if(!array_key_exists('p',$_GET) || !is_numeric($_GET['p'])){
    sendRedirect($fallback_url);
}

// get page id
$page_id = intval($_GET['p']);

// query database for given page (thanks to @stefanek)
// @credits: https://forum.wbce.org/viewtopic.php?pid=42377#p42377
$queryPage = "SELECT * FROM `{TP}pages` WHERE `page_id` = {$page_id}";
$data = $database->get_array($queryPage);
if(!array_key_exists(0, $data)){
    sendRedirect($fallback_url);
}
$page_info = $data[0]; 

// check if page is visible, redirect to fallback if not
if($page_info['visibility'] != 'public'){
    sendRedirect($fallback_url);  
}

// if not exited yet, we can built the URL
$segments = $page_info['link'];
$url = WB_URL.PAGES_DIRECTORY.$segments.PAGE_EXTENSION;

// finally redirect to the page
sendRedirect($url);



/**
 * sendRedirect
 * Sends a redirect header and exits the script.
 *
 * @param  string $url
 * @param  bool $permanent  true = 301, false = 302
 * @return void
 */
function sendRedirect(string $url, bool $permanent = true)
{
    if (headers_sent() === false){
        header('Location: ' . $url, true, ($permanent === true) ? 301 : 302);
    }
    exit();
}