Statistics::ProcessStats PHP Method

    public static function ProcessStats(&$p_statsOnly)
    {
        global $Campsite;
        $p_statsOnly = false;
        $output_html = ' ';
        //looking whether the request is of form used for statistics, i.e.
        //http(s)://newscoop_domain/(newscoop_dir/)_statistics(/...)(?...)
        $path_request_parts = explode('?', $_SERVER['REQUEST_URI']);
        $path_request = strtolower($path_request_parts[0]);
        if ('' == $path_request || '/' != $path_request[strlen($path_request) - 1]) {
            $path_request .= '/';
        }
        $campsite_subdir = substr($_SERVER['SCRIPT_NAME'], 0, strrpos($_SERVER['SCRIPT_NAME'], '/', -2));
        // the path prefix that should be considered when checking the statistics directory
        // it is an empty string for domain based installations
        $stat_start = strtolower($campsite_subdir);
        if ('' == $stat_start || '/' != $stat_start[strlen($stat_start) - 1]) {
            $stat_start .= '/';
        }
        // the path (as of request_uri) that is for the statistics part
        $stat_start .= '_statistics/';
        $stat_start_len = strlen($stat_start);
        // if request_uri starts with the statistics path, it is just for the statistics things
        if (substr($path_request, 0, $stat_start_len) == $stat_start) {
            $p_statsOnly = true;
        }
        // if not on statistics, just return and let run the standard newscoop processing
        if (!$p_statsOnly) {
            return true;
        }
        // taking the statistics specification part of the request uri
        $stat_info = substr($path_request, $stat_start_len);
        $stat_info_arr = array();
        foreach (explode('/', $stat_info) as $one_part) {
            $one_part = trim($one_part);
            // here we take that '0' is not valid id for any db object
            if (!empty($one_part)) {
                $stat_info_arr[] = $one_part;
            }
        }
        $art_read_action = false;
        // for now, the only known action is to update statistics on article readering, i.e. for
        // uri path of form (/newscoop_path)/statistics/reader/article/object_id/?...
        if (3 <= count($stat_info_arr)) {
            if ('reader' == $stat_info_arr[0] && is_numeric($stat_info_arr[1])) {
                $art_read_action = true;
            }
        }
        if (!$art_read_action) {
            return false;
        }
        // if the article was read by a user (incl. an anonymous one)
        if ($art_read_action) {
            $object_type_id = (int) $stat_info_arr[1];
            $object_id = (int) $stat_info_arr[2];
            $correct = self::WriteStats($object_type_id, $object_id);
            if (!$correct) {
                return false;
            }
        }
        // end of the stats action on article reading
        // the output string for stats only requests; nothing for now
        echo $output_html;
        // whether the stats processing was correct
        // the return value not used actually anywhere now
        return true;
    }

<?php

$installPrefix = pathinfo($_SERVER['SCRIPT_NAME'], PATHINFO_DIRNAME);
$uri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
$uri = substr($uri, strlen($installPrefix)) ?: '';
$uri = ltrim($uri, '/');
switch (true) {
    case substr($uri, 0, strlen('_statistics')) === '_statistics':
        require_once __DIR__ . '/classes/Statistics.php';
        $stats_only = false;
        Statistics::ProcessStats($stats_only);
        exit(0);
        break;
    case substr($uri, 0, strlen('api')) === 'api':
    case substr($uri, 0, strlen('_profiler')) === '_profiler':
        require_once __DIR__ . '/constants.php';
        require_once __DIR__ . '/../gimme/web/app.php';
        break;
    default:
        require_once __DIR__ . '/public/index.php';
}