index.php

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<?php
/*
 * Rewrite rules for PHP cli webserver used for testing. Do not use on production sites
 * as normal web server replacement.
 *
 * You need to explicitly point to index.php in order for router to work properly:
 *
 * <code>php -S localhost:8888 index.php</code>
 */
if (php_sapi_name() === 'cli-server') {
    $urlPath = parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);

    if (preg_match('/^\/cache\/(.*)$/', $urlPath, $matches)) {
        $_GET['request'] = $matches[1];
        require('engine/handlers/cache_handler.php');
        exit;
    } else if (preg_match('/^\/export\/([A-Za-z]+)\/([0-9]+)\/?$/', $urlPath, $matches)) {
        $_GET['view'] = $matches[1];
        $_GET['guid'] = $matches[2];
        require('engine/handlers/export_handler.php');
        exit;
    } else if (preg_match('/^\/export\/([A-Za-z]+)\/([0-9]+)\/([A-Za-z]+)\/([A-Za-z0-9\_]+)\/$/', $urlPath, $matches)) {
        $_GET['view'] = $matches[1];
        $_GET['guid'] = $matches[2];
        $_GET['type'] = $matches[3];
        $_GET['idname'] = $matches[4];
        require('engine/handlers/export_handler.php');
        exit;
    } else if (preg_match("/^\/rewrite.php$/", $urlPath, $matches)) {
        require('install.php');
        exit;
    } else if ($urlPath !== '/' && file_exists(__DIR__ . $urlPath)) {
        // serve the requested resource as-is.
        return false;
    } else {
        $_GET['__elgg_uri'] = $urlPath;
    }
}

// allow testing from the upgrade page before the site is upgraded.
if (isset($_GET['__testing_rewrite'])) {
    if (isset($_GET['__elgg_uri']) && false !== strpos($_GET['__elgg_uri'], '__testing_rewrite')) {
        echo "success";
    }
    exit;
}

require_once(dirname(__FILE__) . "/engine/start.php");

$router = _elgg_services()->router;
$request = _elgg_services()->request;

if (!$router->route($request)) {
    forward('', '404');
}