<?php

declare(strict_types = 1);

error_reporting(0);
if (!empty($_SERVER['QUERY_STRING']) && preg_match("/^(\w+)(\.v\d+)?(pro)?\.(lng\.js|js|css|gif|png|ico)$/", $_SERVER['QUERY_STRING'], $m)) {
    $compress = true;
    $skin     = '';
    $file     = $skin;
    header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 1209600) . ' GMT');
    header('Cache-Control: max-age=1209600, public');
    switch ($m[4]) {
        case 'css':
            $type = 'text/css; charset=UTF-8';
            break;
        case 'js':
            $type = 'application/x-javascript; charset=UTF-8';
            break;
        case 'lng.js':
            header('Content-Type: application/x-javascript; charset=UTF-8');
            //if(!ini_get('zlib.output_compression') && function_exists('ob_gzhandler')) ob_start('ob_gzhandler');
            include "lang/lng_{$m[1]}.php";
            echo 'sxdlng = ' . sxd_php2json($LNG['js']) . ';';
            exit;
        case 'png':
            $file     = 'img/';
            $type     = 'image/png';
            $compress = false;
            break;
        case 'gif':
            $file     = 'img/';
            $type     = 'image/gif';
            $compress = false;
            break;
        case 'ico':
            $file     = '';
            $type     = 'image/x-icon';
            $compress = false;
            break;
    }
    $file .= $m[1] . '.' . $m[4];
    if (is_file($file)) {
        //if($compress) if(!ini_get('zlib.output_compression') && function_exists('ob_gzhandler')) ob_start('ob_gzhandler');
        header('Content-Type: ' . $type);
        readfile($file);
        exit;
    }
}

function sxd_php2json($obj)
{
    if (count($obj) == 0) {
        return '[]';
    }
    $is_obj = isset($obj[ count($obj) - 1 ]) ? false : true;
    $str    = $is_obj ? '{' : '[';
    foreach ($obj AS $key => $value) {
        $str .= $is_obj ? "'" . addcslashes((string)$key, "\n\r\t'\\/") . "'" . ':' : '';
        if (is_array($value)) {
            $str .= sxd_php2json($value);
        } elseif (is_null($value)) {
            $str .= 'null';
        } elseif (is_bool($value)) {
            $str .= $value ? 'true' : 'false';
        } elseif (is_numeric($value)) {
            $str .= $value;
        } else {
            $str .= "'" . addcslashes((string)$value, "\n\r\t'\\/") . "'";
        }
        $str .= ',';
    }

    return substr_replace($str, $is_obj ? '}' : ']', -1);
}