<?php /** * Copyright (с) Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2022 All Rights Reserved * * Licensed under CLOUD LINUX LICENSE AGREEMENT * https://www.cloudlinux.com/legal/ */ namespace XrayProfiler; if (!class_exists('\XrayProfiler\CssResourceParser')) { class CssResourceParser { /** * @var int */ private $count = 0; /** * @param string $html * * @return void */ public function parse($html) { $html = $this->removeNoscriptTags($html); if (0 === strlen($html)) { return; } if (!preg_match_all('/<link[^>]+href=[\'"](?<href>.+?)[\'"][^>]*>/i', $html, $matches)) { return; } if (!is_array($matches) || empty($matches[0])) { return; } foreach ($matches[0] as $key => $link_fragment) { if (preg_match('/rel=["\']preload["\']/i', $link_fragment)) { // skip preloaded links continue; } if (preg_match('/\bdisabled\b/i', $link_fragment)) { // skip disabled links continue; } $link_url = $matches['href'][$key]; $url_path = parse_url($link_url, PHP_URL_PATH); if (!is_string($url_path)) { continue; } $extension = pathinfo($url_path, PATHINFO_EXTENSION); if ('css' !== $extension) { continue; } $this->count++; } } /** * @return int */ public function getCount() { return $this->count; } /** * Removes NOSCRIPT HTML tags from HTML markup. * * @param string $html HTML code. * * @return string HTML code without NOSCRIPT tags. */ public function removeNoscriptTags($html) { return (string) preg_replace('#<noscript(.*?)>(.*?)</noscript>#is', '', $html); } } }