| 1 |
<?php |
| 2 |
if (!defined('ABSPATH')) exit; |
| 3 |
|
| 4 |
class berqBufferOptimize { |
| 5 |
public $external_js_excluded_keywords = [ |
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'googleadservices', |
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'pagead2.googlesyndication.com', |
| 8 |
'mediavine', |
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'googletagmanager.com/gtag', |
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'google.com/recaptcha', |
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'platform.illow.io/banner.js', |
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'code.etracker.com', |
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'cdn.trustindex.io/loader.js', |
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'static.getclicky.com', |
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'form.jotform.com', |
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'bunny.net', |
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'.exactdn.com/', |
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'maps.googleapis.com', |
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'js.stripe.com', |
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'.pressablecdn.com', |
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'.cdn77.net', |
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'.cloudflare.com', |
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'.fastly.net', |
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'.gcorelabs.com', |
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'.googleapis.com', |
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'.cloudfront.net', |
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'.b-cdn.net', |
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'.cachefly.net', |
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'.imagekit.io', |
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'.kxcdn.com', |
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'.stackpathcdn.com', |
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'.vo.msecnd.net', |
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'.akamaihd.net', |
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'.incapsula.com', |
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'.sucuricdn.net', |
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'.incapsula.com', |
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'.cdn.meta.net', |
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'.jet-stream.com', |
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'.cachefly.net', |
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'.cdnetworks.com', |
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'amazon-adsystem.com', |
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'adsbygoogle', |
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'google-analytics.com', |
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'maps.google.com', |
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'recaptcha', |
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'js.hsforms.net', |
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'hbspt.forms.create', |
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'ad-manager.min.js', |
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'fast.wistia.com', |
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]; |
| 51 |
|
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public $css_excluded_keywords = [ |
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'bunny.net', |
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'.exactdn.com/', |
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'fonts.googleapis.com/css', |
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'.pressablecdn.com', |
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'.cdn77.net', |
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'.cloudflare.com', |
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'.fastly.net', |
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'.gcorelabs.com', |
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'.googleapis.com', |
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'.cloudfront.net', |
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'.b-cdn.net', |
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'.cachefly.net', |
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'.imagekit.io', |
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'.kxcdn.com', |
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'.stackpathcdn.com', |
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'.vo.msecnd.net', |
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'.akamaihd.net', |
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'.incapsula.com', |
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'.sucuricdn.net', |
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'.incapsula.com', |
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'.cdn.meta.net', |
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'.jet-stream.com', |
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'.cachefly.net', |
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'.cdnetworks.com', |
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]; |
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|
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public $img_excluded_keywords = [ |
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'i0.wp.com', |
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'.exactdn.com/', |
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'.smushcdn.com', |
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'.b-cdn.net', |
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'.pressablecdn.com', |
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'.cdn77.net', |
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'.cloudflare.com', |
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'.fastly.net', |
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'.gcorelabs.com', |
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'.googleapis.com', |
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'.cloudfront.net', |
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'.b-cdn.net', |
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'.cachefly.net', |
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'.imagekit.io', |
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'.kxcdn.com', |
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'.stackpathcdn.com', |
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'.vo.msecnd.net', |
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'.akamaihd.net', |
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'.incapsula.com', |
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'.sucuricdn.net', |
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'.incapsula.com', |
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'.cdn.meta.net', |
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'.jet-stream.com', |
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'.cachefly.net', |
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'.cdnetworks.com', |
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]; |
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|
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public $skipOnLoadJS = [ |
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'googletagmanager.com/gtag', |
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'cdn-cookieyes.com/client_data', |
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'static.getclicky.com', |
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'clarity.ms/', |
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'google.com', |
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'doubleclick.net', |
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'stats.wp.com', |
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'/elementor/', |
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'/elementor-pro', |
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'sp-scripts.min.js' |
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]; |
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|
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public $optimization_mode = null; |
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public $js_css_exclude_urls = null; |
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public $use_cdn = false; |
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public $buffer = null; |
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public $image_lazy_loading = null; |
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public $lazy_load_youtube = null; |
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public $js_mode = null; |
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|
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function __construct() { |
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|
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$optimization_mode = get_option('berq_opt_mode'); |
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|
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if ($optimization_mode == 4) { |
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$optimization_mode = 'aggressive'; |
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} elseif ($optimization_mode == 3) { |
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$optimization_mode = 'blaze'; |
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} elseif ($optimization_mode == 2) { |
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$optimization_mode = 'medium'; |
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} elseif ($optimization_mode == 1) { |
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$optimization_mode = 'basic'; |
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} |
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|
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$this->optimization_mode = $optimization_mode; |
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$this->js_css_exclude_urls = get_option('berq_exclude_js_css'); |
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$this->image_lazy_loading = get_option('berqwp_image_lazyloading'); |
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$this->lazy_load_youtube = get_option('berqwp_lazyload_youtube_embed'); |
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$this->js_mode = get_option('berqwp_javascript_execution_mode'); |
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// $this->use_cdn = get_option('berqwp_enable_cdn'); |
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|
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if (berq_is_localhost()) { |
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$this->use_cdn = null; |
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} |
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|
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} |
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|
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function optimize_buffer($buffer, $page_slug) { |
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|
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// if (!berq_is_localhost()) { |
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// $berqCriticalCSS = new berqCriticalCSS(); |
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// $criticalcss = $berqCriticalCSS->get_css($page_slug); |
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|
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// if (!empty($criticalcss)) { |
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// $buffer = $this->css_optimize($buffer, true, false); |
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// $buffer = $berqCriticalCSS->add_css_to_buffer($buffer, $criticalcss); |
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// } else { |
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// $buffer = $this->css_optimize($buffer); |
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// } |
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// } |
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|
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$buffer = $this->lazyload_iframes($buffer); |
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$buffer = $this->js_optimize($buffer); |
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$buffer = $this->optimize_images($buffer); |
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|
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// global $berqCDN; |
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// $buffer = $berqCDN->finish_queue($buffer, $page_slug); |
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|
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$script = " |
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<script data-berqwp defer> |
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var comment = document.createComment(' This website is optimized using the BerqWP plugin. @".time()." '); |
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document.documentElement.insertBefore(comment, document.documentElement.firstChild); |
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|
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function isMobileDevice() { |
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return /Mobi|Android|iPhone|iPad|iPod|Opera Mini|IEMobile|WPDesktop/i.test(navigator.userAgent); |
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} |
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|
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function astraHeaderClass() { |
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if (isMobileDevice() && window.screen.width <= 999) { |
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if (document.body.classList.contains('theme-astra') && !document.body.classList.contains('ast-header-break-point')) { |
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document.body.classList.add('ast-header-break-point'); |
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} |
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} |
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} |
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|
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astraHeaderClass(); |
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window.addEventListener('resize', function() { |
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astraHeaderClass(); |
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}); |
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|
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</script> |
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|
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<script data-berqwp> |
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async function berqwp_add_assets_browser_cache(asset_urls) { |
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if (!('caches' in window)) { |
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console.error('Cache API is not supported in this browser.'); |
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return; |
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} |
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|
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const fetchPromises = []; |
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|
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asset_urls.forEach(url => { |
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if (url) { |
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fetchPromises.push( |
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fetch(url, { |
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method: 'GET', |
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mode: 'cors' // Ensure CORS mode is set |
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}) |
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.then(response => { |
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if (!response.ok) { |
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console.error('Failed to fetch:', response); |
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} |
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return response; |
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}) |
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.catch(error => { |
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console.error('Fetch error:', error); |
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return null; |
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}) |
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); |
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} |
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}); |
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|
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try { |
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const responses = await Promise.all(fetchPromises); |
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|
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// Open or create a cache |
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const cache = await caches.open('berqwp-assets-cache'); |
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|
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responses.forEach(response => { |
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if (response && response.ok) { |
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console.log('Preloading and caching:', response.url); |
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|
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// Add the response to the cache |
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cache.put(response.url, response.clone()); |
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} |
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}); |
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} catch (error) { |
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console.error('Error during fetching and caching:', error); |
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} |
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} |
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|
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// async function berqwp_add_assets_browser_cache(asset_urls) { |
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// const fetchPromises = []; |
| 251 |
|
| 252 |
// asset_urls.forEach(url => { |
| 253 |
// if (url) { |
| 254 |
// fetchPromises.push( |
| 255 |
// fetch(url, { |
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// method: 'GET', |
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// mode: 'cors' // Ensure CORS mode is set |
| 258 |
// }) |
| 259 |
// .then(response => { |
| 260 |
// if (!response.ok) { |
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// // If response is not successful |
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// console.error(response); |
| 263 |
// // Handle the failed response here if needed |
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// } |
| 265 |
// return response; // Always return the response, successful or not |
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// }) |
| 267 |
// .catch(error => { |
| 268 |
// // Handle any errors that occur during the fetch |
| 269 |
// console.error(error); |
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// return null; // Return null to indicate that the fetch failed |
| 271 |
// }) |
| 272 |
// ); |
| 273 |
// } |
| 274 |
// }); |
| 275 |
|
| 276 |
// try { |
| 277 |
// // Execute all fetch promises in parallel and wait for all of them to complete |
| 278 |
// const responses = await Promise.all(fetchPromises); |
| 279 |
|
| 280 |
// // Handle responses here |
| 281 |
// responses.forEach(response => { |
| 282 |
// if (response && response.ok) { |
| 283 |
// // If response is successful (status code 200-299) |
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// console.log('Preloaded: '+response.url); |
| 285 |
// // Process the successful response here |
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// } |
| 287 |
// }); |
| 288 |
// } catch (error) { |
| 289 |
// // Handle errors that occurred during the fetch |
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// console.error('Error during fetch:', error); |
| 291 |
// } |
| 292 |
// } |
| 293 |
|
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</script> |
| 295 |
|
| 296 |
<script data-berqwp id='prefetch-links' defer> |
| 297 |
// Set to keep track of prefetched links |
| 298 |
const prefetchedLinks = new Set(); |
| 299 |
|
| 300 |
// Get all anchor tags on the page |
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const links = document.querySelectorAll('a'); |
| 302 |
|
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// Loop through each anchor tag |
| 304 |
links.forEach(link => { |
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// Add mouseover event listener |
| 306 |
link.addEventListener('mouseover', () => { |
| 307 |
// Check if the link has already been prefetched |
| 308 |
if (!prefetchedLinks.has(link.href)) { |
| 309 |
// Create a link element |
| 310 |
const prefetchLink = document.createElement('link'); |
| 311 |
prefetchLink.rel = 'prefetch'; |
| 312 |
prefetchLink.href = link.href; |
| 313 |
|
| 314 |
// Append the link element to the head of the document |
| 315 |
document.head.appendChild(prefetchLink); |
| 316 |
|
| 317 |
// Add the link to the set of prefetched links |
| 318 |
prefetchedLinks.add(link.href); |
| 319 |
} |
| 320 |
}); |
| 321 |
}); |
| 322 |
|
| 323 |
</script> |
| 324 |
"; |
| 325 |
|
| 326 |
$preload = ''; |
| 327 |
$preload .= " |
| 328 |
<script data-berqwp async> |
| 329 |
Object.defineProperty(document, 'readyState', { |
| 330 |
get: () => 'interactive', |
| 331 |
set: () => {} |
| 332 |
}); |
| 333 |
</script> |
| 334 |
"; |
| 335 |
if ($this->image_lazy_loading) { |
| 336 |
$preload .= " |
| 337 |
<script data-berqwp id='berqwp-img-lazyload' async> |
| 338 |
document.addEventListener('DOMContentLoaded', function () { |
| 339 |
var berq_img_lazy_options = { |
| 340 |
root: null, // null means the viewport |
| 341 |
rootMargin: '200px', |
| 342 |
threshold: 0 |
| 343 |
}; |
| 344 |
|
| 345 |
var img_observer = new IntersectionObserver(function (entries, observer) { |
| 346 |
entries.forEach(function (entry) { |
| 347 |
if (entry.isIntersecting) { |
| 348 |
let img = entry.target; |
| 349 |
let imgSrc = img.getAttribute('data-src'); |
| 350 |
let imgSrcset = img.getAttribute('data-berqwp-srcset'); |
| 351 |
|
| 352 |
// Set the actual image source from data-src |
| 353 |
if (imgSrc !== null) { |
| 354 |
img.src = imgSrc; |
| 355 |
} |
| 356 |
|
| 357 |
if (imgSrcset !== null) { |
| 358 |
img.srcset = imgSrcset; |
| 359 |
} |
| 360 |
|
| 361 |
if (img.getAttribute('data-srcset') !== null) { |
| 362 |
img.srcset = img.getAttribute('data-srcset'); |
| 363 |
} |
| 364 |
|
| 365 |
// You might want to remove the data-src attribute after loading |
| 366 |
img.removeAttribute('data-src'); |
| 367 |
img.removeAttribute('data-berqwp-srcset'); |
| 368 |
|
| 369 |
img_observer.unobserve(img); |
| 370 |
} |
| 371 |
}); |
| 372 |
}, berq_img_lazy_options); |
| 373 |
|
| 374 |
function berqwp_lazyload_images() { |
| 375 |
let lazyImages = document.querySelectorAll('img[data-src]'); |
| 376 |
lazy_img_int = 1000; |
| 377 |
|
| 378 |
lazyImages.forEach(function (img) { |
| 379 |
img_observer.observe(img); |
| 380 |
}); |
| 381 |
} |
| 382 |
|
| 383 |
berqwp_lazyload_images(); |
| 384 |
setInterval(berqwp_lazyload_images, 1000); |
| 385 |
|
| 386 |
}); |
| 387 |
|
| 388 |
</script> |
| 389 |
|
| 390 |
<script data-berqwp > |
| 391 |
|
| 392 |
// Get the style tag element |
| 393 |
const styleTag = document.getElementById('berqwp-critical-css'); |
| 394 |
|
| 395 |
if (styleTag) { |
| 396 |
// Extract the CSS content from the style tag |
| 397 |
const cssContent = styleTag.textContent; |
| 398 |
|
| 399 |
// Regular expression to match CSS rules |
| 400 |
const ruleRegex = /([^{}]+)\{([^{}]+)\}/g; |
| 401 |
|
| 402 |
// Regular expression to match background or background-image properties with url() function |
| 403 |
const backgroundRegex = /(?:background(?:-image)?:[^;]*?url\([^)]*\))/g; |
| 404 |
|
| 405 |
// Array to store the extracted CSS properties |
| 406 |
var extractedProperties = []; |
| 407 |
|
| 408 |
// Match CSS rules in the CSS content |
| 409 |
let ruleMatch; |
| 410 |
while ((ruleMatch = ruleRegex.exec(cssContent)) !== null) { |
| 411 |
const cssBlockSelector = ruleMatch[1].trim(); |
| 412 |
const cssProperties = ruleMatch[2]; |
| 413 |
|
| 414 |
// Match background properties in the CSS properties |
| 415 |
let backgroundMatch; |
| 416 |
while ((backgroundMatch = backgroundRegex.exec(cssProperties)) !== null) { |
| 417 |
let prop_value = backgroundMatch[0].trim().replace('background:', 'background-image:'); |
| 418 |
|
| 419 |
extractedProperties.push({ cssBlockSelector, backgroundValue: prop_value }); |
| 420 |
/* extractedProperties.push({ cssBlockSelector, backgroundValue: backgroundMatch[0].trim() }); */ |
| 421 |
} |
| 422 |
} |
| 423 |
|
| 424 |
// console.log(extractedProperties); |
| 425 |
|
| 426 |
// Iterate through the extracted properties and modify background images directly in the style tag |
| 427 |
let modifiedCssContent = cssContent; |
| 428 |
extractedProperties.forEach(property => { |
| 429 |
|
| 430 |
// Replace the original background value with 'none' |
| 431 |
let bg_img_hash = btoa(property.backgroundValue); |
| 432 |
const regex = /url\([^)]*\)/; |
| 433 |
// const regex = /url\(([^)]*)\)/; // fix bg image error |
| 434 |
|
| 435 |
|
| 436 |
// Replace the URL function with the new URL |
| 437 |
/* const prop_value = property.backgroundValue.replace(regex, 'urlbgberq(#'+bg_img_hash+')'); */ |
| 438 |
// const prop_value = property.backgroundValue.replace(regex, 'url(data:image/svg+xml;base64,'+bg_img_hash+')'); |
| 439 |
const prop_value = property.backgroundValue.replace(regex, 'unset'); |
| 440 |
// let lcp_exists = lcp_ele.some(element => property.backgroundValue.includes(element)); |
| 441 |
let lcp_exists = false; |
| 442 |
|
| 443 |
if (lcp_exists) { |
| 444 |
modifiedCssContent = modifiedCssContent.replace(property.backgroundValue, property.backgroundValue+' !important;'); |
| 445 |
// modifiedCssContent = modifiedCssContent.replace(property.backgroundValue, prop_value); |
| 446 |
} else { |
| 447 |
modifiedCssContent = modifiedCssContent.replace(property.backgroundValue, prop_value); |
| 448 |
|
| 449 |
} |
| 450 |
|
| 451 |
}); |
| 452 |
|
| 453 |
// Update the text content of the style tag with the modified CSS content |
| 454 |
styleTag.textContent = modifiedCssContent; |
| 455 |
} |
| 456 |
|
| 457 |
|
| 458 |
</script> |
| 459 |
"; |
| 460 |
} |
| 461 |
|
| 462 |
if ($this->lazy_load_youtube == 1) { |
| 463 |
|
| 464 |
$script .= " |
| 465 |
<script data-berqwp defer> |
| 466 |
// document.addEventListener('DOMContentLoaded', function () { |
| 467 |
var options = { |
| 468 |
root: null, // null means the viewport |
| 469 |
rootMargin: '0px', // adjust as needed |
| 470 |
threshold: 0.1 // adjust as needed |
| 471 |
}; |
| 472 |
|
| 473 |
var observer = new IntersectionObserver(function (entries, observer) { |
| 474 |
entries.forEach(function (entry) { |
| 475 |
if (entry.isIntersecting) { |
| 476 |
let item = entry.target; |
| 477 |
let iframe = item.getAttribute('data-embed'); |
| 478 |
|
| 479 |
let wrapper = document.createElement('div'); |
| 480 |
wrapper.innerHTML = iframe; |
| 481 |
let iframeElement = wrapper.firstChild; |
| 482 |
|
| 483 |
// Insert the iframe next to the item |
| 484 |
item.insertAdjacentElement('afterend', iframeElement); |
| 485 |
|
| 486 |
// Remove the original item |
| 487 |
item.remove(); |
| 488 |
|
| 489 |
observer.unobserve(item); |
| 490 |
} |
| 491 |
}); |
| 492 |
}, options); |
| 493 |
|
| 494 |
let yt_em = document.querySelectorAll('.berqwp-lazy-youtube'); |
| 495 |
yt_em.forEach(function (item) { |
| 496 |
observer.observe(item); |
| 497 |
}); |
| 498 |
// }); |
| 499 |
</script> |
| 500 |
"; |
| 501 |
} |
| 502 |
|
| 503 |
$afterHead = apply_filters( 'berqwp_buffer_after_head_open', '' ); |
| 504 |
$buffer = preg_replace('/<head(\s[^>]*)?>/i', '<head$1>' . $afterHead, $buffer); |
| 505 |
|
| 506 |
$beforeHeadClosing = apply_filters( 'berqwp_buffer_before_closing_head', $preload ); |
| 507 |
$buffer = str_replace('</head>', $beforeHeadClosing . '</head>', $buffer); |
| 508 |
|
| 509 |
$beforeBodyClose = apply_filters( 'berqwp_buffer_before_closing_body', $script ); |
| 510 |
$buffer = str_replace('</body>', $beforeBodyClose . '</body>', $buffer); |
| 511 |
|
| 512 |
$this->buffer = $buffer; |
| 513 |
|
| 514 |
add_filter( 'berqwp_cache_buffer', [$this, 'update_buffer'] ); |
| 515 |
} |
| 516 |
|
| 517 |
function lazyload_iframes($buffer) { |
| 518 |
// Lazyload YouTube embeds |
| 519 |
if ($this->lazy_load_youtube == 1) { |
| 520 |
$buffer = preg_replace_callback( |
| 521 |
'/<iframe(.*?)<\/iframe>/s', |
| 522 |
function ($matches) { |
| 523 |
$attrs = str_replace('"', '\'', $matches[1]); |
| 524 |
return '<div class="berqwp-lazy-youtube" data-embed="<iframe' . $attrs . '</iframe>"></div>'; |
| 525 |
}, |
| 526 |
$buffer |
| 527 |
); |
| 528 |
} |
| 529 |
return $buffer; |
| 530 |
} |
| 531 |
|
| 532 |
function update_buffer($buffer) { |
| 533 |
return $this->buffer; |
| 534 |
} |
| 535 |
|
| 536 |
function css_optimize($buffer, $disableCDN = null, $forceDefault = true) { |
| 537 |
|
| 538 |
$currentCDNstat = $this->use_cdn; |
| 539 |
|
| 540 |
if ($disableCDN) { |
| 541 |
$this->use_cdn = false; |
| 542 |
} |
| 543 |
|
| 544 |
// CSS optimization |
| 545 |
$styleOptimizer = new berqStyleOptimizer(); |
| 546 |
|
| 547 |
if ($forceDefault) { |
| 548 |
$styleOptimizer->set_loading('default'); |
| 549 |
} else { |
| 550 |
if ($this->optimization_mode == 'blaze' || $this->optimization_mode == 'medium') { |
| 551 |
$styleOptimizer->set_loading('preload'); |
| 552 |
} |
| 553 |
|
| 554 |
if ($this->optimization_mode == 'basic') { |
| 555 |
$styleOptimizer->set_loading('default'); |
| 556 |
} |
| 557 |
} |
| 558 |
|
| 559 |
|
| 560 |
$buffer = $styleOptimizer->run_optimization($this, $buffer); |
| 561 |
$this->use_cdn = $currentCDNstat; |
| 562 |
|
| 563 |
return $buffer; |
| 564 |
} |
| 565 |
|
| 566 |
function js_optimize($buffer) { |
| 567 |
// JavaScript optimization |
| 568 |
$scriptOptimizer = new berqScriptOptimizer(); |
| 569 |
|
| 570 |
if ($this->optimization_mode == 'medium') { |
| 571 |
$scriptOptimizer->set_loading('preload'); |
| 572 |
} |
| 573 |
|
| 574 |
if ($this->optimization_mode == 'basic') { |
| 575 |
$scriptOptimizer->set_loading('default'); |
| 576 |
} |
| 577 |
|
| 578 |
$buffer = apply_filters( 'berqwp_before_script_optimization', $buffer ); |
| 579 |
$buffer = $scriptOptimizer->run_optimization($this, $buffer); |
| 580 |
|
| 581 |
return $buffer; |
| 582 |
} |
| 583 |
|
| 584 |
function optimize_images($buffer) { |
| 585 |
if ($this->image_lazy_loading) { |
| 586 |
$berqImages = new berqImagesOpt(); |
| 587 |
$berqImages->image_lazy_loading = $this->image_lazy_loading; |
| 588 |
$buffer = $berqImages->optimize_images($buffer); |
| 589 |
} |
| 590 |
return $buffer; |
| 591 |
} |
| 592 |
|
| 593 |
public static function parallelCurlRequests($urls, $postDataArray, $requestMethod = 'POST', $contentType = 'application/x-www-form-urlencoded', $userAgent = 'BerqWP Bot') { |
| 594 |
$curlHandles = []; |
| 595 |
$result = []; |
| 596 |
$requestCounter = 0; // Initialize the counter |
| 597 |
$maxRequestsBeforeSleep = 30; |
| 598 |
|
| 599 |
// Create cURL handles for each URL |
| 600 |
foreach ($urls as $index => $url) { |
| 601 |
$ch = curl_init($url); |
| 602 |
|
| 603 |
// Set cURL options |
| 604 |
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
| 605 |
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $requestMethod); |
| 606 |
|
| 607 |
if ($requestMethod == 'POST') { |
| 608 |
curl_setopt($ch, CURLOPT_POSTFIELDS, $postDataArray[$index]); |
| 609 |
} |
| 610 |
|
| 611 |
curl_setopt($ch, CURLOPT_HTTPHEADER, [ |
| 612 |
'Content-Type: ' . $contentType, |
| 613 |
'User-Agent: ' . $userAgent, |
| 614 |
]); |
| 615 |
|
| 616 |
// curl_setopt($ch, CURLOPT_TIMEOUT, 30); |
| 617 |
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); |
| 618 |
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); |
| 619 |
|
| 620 |
// Add cURL handle to the array |
| 621 |
$curlHandles[$index] = $ch; |
| 622 |
} |
| 623 |
|
| 624 |
// Initialize multi cURL handler |
| 625 |
$multiHandle = curl_multi_init(); |
| 626 |
|
| 627 |
// Add cURL handles to the multi cURL handler |
| 628 |
foreach ($curlHandles as $ch) { |
| 629 |
curl_multi_add_handle($multiHandle, $ch); |
| 630 |
} |
| 631 |
|
| 632 |
// Execute all cURL requests simultaneously |
| 633 |
do { |
| 634 |
curl_multi_exec($multiHandle, $running); |
| 635 |
|
| 636 |
$requestCounter++; // Increment the counter for each request |
| 637 |
if ($requestCounter >= $maxRequestsBeforeSleep) { |
| 638 |
usleep(2000000); // Sleep for 2 seconds (2000000 microseconds) |
| 639 |
$requestCounter = 0; // Reset the counter |
| 640 |
} |
| 641 |
|
| 642 |
} while ($running > 0); |
| 643 |
|
| 644 |
// Retrieve the results from each cURL handle |
| 645 |
foreach ($curlHandles as $index => $ch) { |
| 646 |
$result[$index] = curl_multi_getcontent($ch); |
| 647 |
curl_multi_remove_handle($multiHandle, $ch); |
| 648 |
} |
| 649 |
|
| 650 |
// Close the multi cURL handler |
| 651 |
curl_multi_close($multiHandle); |
| 652 |
|
| 653 |
return $result; |
| 654 |
} |
| 655 |
|
| 656 |
function optimize_external_js($tag) |
| 657 |
{ |
| 658 |
$src = $this->get_src_from_script($tag); |
| 659 |
|
| 660 |
if ($src !== false) { |
| 661 |
if (strpos($src, 'http') === 0 || strpos($src, '//') === 0) { |
| 662 |
$parsed_url = parse_url($src); |
| 663 |
if (isset ($parsed_url['host']) && $parsed_url['host'] !== $this->domain) { |
| 664 |
$kw_found = false; |
| 665 |
|
| 666 |
foreach ($this->external_js_excluded_keywords as $keyword) { |
| 667 |
if (stripos($src, $keyword) !== false) { |
| 668 |
$kw_found = true; |
| 669 |
} |
| 670 |
} |
| 671 |
|
| 672 |
if (!$kw_found) { |
| 673 |
$cache = $this->cache_scripts([$src]); |
| 674 |
$json_data = json_decode($cache); |
| 675 |
|
| 676 |
if ($json_data !== null) { |
| 677 |
if (isset ($json_data->status) && $json_data->status == 'success') { |
| 678 |
|
| 679 |
// var_dump(md5($src)); |
| 680 |
// var_dump($json_data->urls->{md5($src)}); |
| 681 |
// exit; |
| 682 |
$newSRC = $json_data->urls->{md5($src)}; |
| 683 |
|
| 684 |
|
| 685 |
// Create a Simple HTML DOM object |
| 686 |
$html = str_get_html($tag); |
| 687 |
|
| 688 |
// Find all script tags |
| 689 |
foreach ($html->find('script') as $scriptTag) { |
| 690 |
$scriptTag->src = $newSRC; |
| 691 |
} |
| 692 |
|
| 693 |
$tag = $html->save(); |
| 694 |
|
| 695 |
// Clear Simple HTML DOM object |
| 696 |
$html->clear(); |
| 697 |
unset($html); |
| 698 |
|
| 699 |
} |
| 700 |
} |
| 701 |
|
| 702 |
} |
| 703 |
|
| 704 |
} |
| 705 |
|
| 706 |
|
| 707 |
} |
| 708 |
} |
| 709 |
|
| 710 |
return $tag; |
| 711 |
} |
| 712 |
|
| 713 |
function get_src_from_script($html) |
| 714 |
{ |
| 715 |
if (empty($html)) { |
| 716 |
return false; |
| 717 |
} |
| 718 |
|
| 719 |
// Create a Simple HTML DOM object |
| 720 |
$html = str_get_html($html); |
| 721 |
|
| 722 |
// Find all script tags |
| 723 |
foreach ($html->find('script') as $scriptTag) { |
| 724 |
$src = $scriptTag->src; |
| 725 |
} |
| 726 |
|
| 727 |
// Clear Simple HTML DOM object |
| 728 |
$html->clear(); |
| 729 |
unset($html); |
| 730 |
|
| 731 |
if (empty($src)) { |
| 732 |
return false; |
| 733 |
} |
| 734 |
|
| 735 |
return $src; |
| 736 |
} |
| 737 |
} |
