628 lines
22 KiB
PHP
628 lines
22 KiB
PHP
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<?php
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namespace WpAssetCleanUp\OptimiseAssets;
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use WpAssetCleanUp\Main;
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use WpAssetCleanUp\Menu;
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use WpAssetCleanUp\FileSystem;
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use WpAssetCleanUp\Misc;
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use WpAssetCleanUp\ObjectCache;
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use WpAssetCleanUp\Preloads;
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/**
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* Class CombineCss
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* @package WpAssetCleanUp\OptimiseAssets
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*/
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class CombineCss
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{
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/**
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* @var string
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*/
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public static $jsonStorageFile = 'css-combined{maybe-extra-info}.json';
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/**
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* @param $htmlSource
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*
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* @return mixed
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*/
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public static function doCombine($htmlSource)
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{
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if ( ! Misc::isDOMDocumentOn() ) {
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return $htmlSource;
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}
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if ( ! self::proceedWithCssCombine() ) {
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return $htmlSource;
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}
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global $wp_styles;
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$wpacuRegisteredStyles = $wp_styles->registered;
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$storageJsonContents = array();
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$skipCache = false; // default
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if (isset($_GET['wpacu_no_cache']) || (defined('WPACU_NO_CACHE') && WPACU_NO_CACHE === true)) {
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$skipCache = true;
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}
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// If cache is not skipped, read the information from the cache as it's much faster
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if (! $skipCache) {
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// Speed up processing by getting the already existing final CSS file URI
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// This will avoid parsing the HTML DOM and determine the combined URI paths for all the CSS files
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$storageJsonContents = OptimizeCommon::getAssetCachedData( self::$jsonStorageFile, OptimizeCss::getRelPathCssCacheDir(), 'css' );
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}
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// $uriToFinalCssFile will always be relative ONLY within WP_CONTENT_DIR . self::getRelPathCssCacheDir()
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// which is usually "wp-content/cache/asset-cleanup/css/"
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if ( $skipCache || empty($storageJsonContents) ) {
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$storageJsonContentsToSave = array();
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/*
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* NO CACHING? Parse the DOM
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*/
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// Nothing in the database records or the retrieved cached file does not exist?
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OptimizeCommon::clearAssetCachedData(self::$jsonStorageFile);
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$storageJsonContents = array();
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$domTag = OptimizeCommon::getDomLoadedTag($htmlSource, 'combineCss');
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foreach (array('head', 'body') as $docLocationTag) {
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$combinedUriPathsGroup = $localAssetsPathsGroup = $linkHrefsGroup = array();
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$localAssetsExtraGroup = array();
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$docLocationElements = $domTag->getElementsByTagName($docLocationTag)->item(0);
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if ($docLocationElements === null) { continue; }
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$xpath = new \DOMXpath($domTag);
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$linkTags = $xpath->query('/html/'.$docLocationTag.'/link[@rel="stylesheet"] | /html/'.$docLocationTag.'/link[@rel="preload"]');
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if ($linkTags === null) { continue; }
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foreach ($linkTags as $tagObject) {
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$linkAttributes = array();
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foreach ($tagObject->attributes as $attrObj) { $linkAttributes[$attrObj->nodeName] = trim($attrObj->nodeValue); }
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// Only rel="stylesheet" (with no rel="preload" associated with it) gets prepared for combining as links with rel="preload" (if any) are never combined into a standard render-blocking CSS file
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// rel="preload" is there for a reason to make sure the CSS code is made available earlier prior to the one from rel="stylesheet" which is render-blocking
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if (isset($linkAttributes['rel'], $linkAttributes['href']) && $linkAttributes['href']) {
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$href = (string) $linkAttributes['href'];
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if (self::skipCombine($linkAttributes['href'])) {
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continue;
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}
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// e.g. for 'admin-bar' (keep it as standalone when critical CSS is used)
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if (isset($linkAttributes['data-wpacu-skip-preload']) && has_filter('wpacu_critical_css')) {
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continue;
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}
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// Check if the CSS file has any 'data-wpacu-skip' attribute; if it does, do not alter it
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if (isset($linkAttributes['data-wpacu-skip']) || isset($scriptAttributes['data-wpacu-apply-media-query'])) {
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continue;
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}
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// Separate each combined group by the "media" attribute; e.g. we don't want "all" and "print" mixed
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$mediaValue = (array_key_exists('media', $linkAttributes) && $linkAttributes['media']) ? $linkAttributes['media'] : 'all';
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// Check if there is any rel="preload" (Basic) connected to the rel="stylesheet"
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// making sure the file is not added to the final CSS combined file
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if (isset($linkAttributes['data-wpacu-style-handle']) &&
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$linkAttributes['data-wpacu-style-handle'] &&
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ObjectCache::wpacu_cache_get($linkAttributes['data-wpacu-style-handle'], 'wpacu_basic_preload_handles')) {
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$mediaValue = 'wpacu_preload_basic_' . $mediaValue;
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}
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// Make the right reference for later use
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if ($linkAttributes['rel'] === 'preload') {
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if (isset($linkAttributes['data-wpacu-preload-css-basic'])) {
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$mediaValue = 'wpacu_preload_basic_' . $mediaValue;
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} else {
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continue;
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}
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}
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// Was it optimized and has the URL updated? Check the Source URL to determine if it should be skipped from combining
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if (isset($linkAttributes['data-wpacu-link-rel-href-before']) && $linkAttributes['data-wpacu-link-rel-href-before'] && self::skipCombine($linkAttributes['data-wpacu-link-rel-href-before'])) {
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continue;
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}
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// Avoid combining own plugin's CSS (irrelevant) as it takes extra useless space in the caching directory
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if (isset($linkAttributes['id']) && $linkAttributes['id'] === WPACU_PLUGIN_ID.'-style-css') {
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continue;
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}
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$localAssetPath = OptimizeCommon::getLocalAssetPath($href, 'css');
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// It will skip external stylesheets (from a different domain)
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if ( $localAssetPath ) {
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$styleExtra = array();
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if (isset($linkAttributes['data-wpacu-style-handle'], $wpacuRegisteredStyles[$linkAttributes['data-wpacu-style-handle']]->extra) && OptimizeCommon::appendInlineCodeToCombineAssetType('css')) {
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$styleExtra = $wpacuRegisteredStyles[$linkAttributes['data-wpacu-style-handle']]->extra;
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}
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$sourceRelPath = OptimizeCommon::getSourceRelPath($href);
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$alreadyAddedSourceRelPath = isset($combinedUriPathsGroup[$mediaValue]) && in_array($sourceRelPath, $combinedUriPathsGroup[$mediaValue]);
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if (! $alreadyAddedSourceRelPath) {
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$combinedUriPathsGroup[$mediaValue][] = $sourceRelPath;
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}
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$localAssetsPathsGroup[$mediaValue][$href] = $localAssetPath;
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$alreadyAddedHref = isset($linkHrefsGroup[$mediaValue]) && in_array($href, $linkHrefsGroup[$mediaValue]);
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if (! $alreadyAddedHref) {
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$linkHrefsGroup[$mediaValue][] = $href;
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}
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$localAssetsExtraGroup[$mediaValue][$href] = $styleExtra;
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}
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}
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}
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// No Link Tags or only one tag in the combined group? Do not proceed with any combining
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if ( empty( $combinedUriPathsGroup ) ) {
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continue;
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}
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foreach ($combinedUriPathsGroup as $mediaValue => $combinedUriPaths) {
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// There have to be at least two CSS files to create a combined CSS file
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if (count($combinedUriPaths) < 2) {
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continue;
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}
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$localAssetsPaths = $localAssetsPathsGroup[$mediaValue];
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$linkHrefs = $linkHrefsGroup[$mediaValue];
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$localAssetsExtra = array_filter($localAssetsExtraGroup[$mediaValue]);
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$maybeDoCssCombine = self::maybeDoCssCombine(
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$localAssetsPaths,
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$linkHrefs,
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$localAssetsExtra,
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$docLocationTag
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);
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// Local path to combined CSS file
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$localFinalCssFile = $maybeDoCssCombine['local_final_css_file'];
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// URI (e.g. /wp-content/cache/asset-cleanup/[file-name-here.css]) to the combined CSS file
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$uriToFinalCssFile = $maybeDoCssCombine['uri_final_css_file'];
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// Any link hrefs removed perhaps if the file wasn't combined?
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$linkHrefs = $maybeDoCssCombine['link_hrefs'];
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if (is_file($localFinalCssFile)) {
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$storageJsonContents[$docLocationTag][$mediaValue] = array(
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'uri_to_final_css_file' => $uriToFinalCssFile,
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'link_hrefs' => array_map(static function($href) {
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return str_replace('{site_url}', '', OptimizeCommon::getSourceRelPath($href));
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}, $linkHrefs)
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);
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$storageJsonContentsToSave[$docLocationTag][$mediaValue] = array(
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'uri_to_final_css_file' => $uriToFinalCssFile,
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'link_hrefs' => array_map(static function($href) {
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return OptimizeCommon::getSourceRelPath($href);
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}, $linkHrefs)
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);
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}
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}
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}
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libxml_clear_errors();
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OptimizeCommon::setAssetCachedData(
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self::$jsonStorageFile,
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OptimizeCss::getRelPathCssCacheDir(),
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wp_json_encode($storageJsonContentsToSave)
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);
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}
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$cdnUrls = OptimizeCommon::getAnyCdnUrls();
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$cdnUrlForCss = isset($cdnUrls['css']) ? $cdnUrls['css'] : false;
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if ( ! empty($storageJsonContents) ) {
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foreach ($storageJsonContents as $docLocationTag => $mediaValues) {
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$groupLocation = 1;
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foreach ($mediaValues as $mediaValue => $storageJsonContentLocation) {
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if (! isset($storageJsonContentLocation['link_hrefs'][0])) {
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continue;
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}
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// Irrelevant to have only one CSS file in a combine CSS group
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if (count($storageJsonContentLocation['link_hrefs']) < 2) {
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continue;
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}
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$storageJsonContentLocation['link_hrefs'] = array_map(static function($href) {
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return str_replace('{site_url}', '', $href);
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}, $storageJsonContentLocation['link_hrefs']);
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$finalTagUrl = OptimizeCommon::filterWpContentUrl($cdnUrlForCss) . OptimizeCss::getRelPathCssCacheDir() . $storageJsonContentLocation['uri_to_final_css_file'];
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$finalCssTagAttrs = array();
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if (strpos($mediaValue, 'wpacu_preload_basic_') === 0) {
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// Put the right "media" value after cleaning the reference
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$mediaValueClean = str_replace('wpacu_preload_basic_', '', $mediaValue);
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// Basic Preload
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$finalCssTag = <<<HTML
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<link rel='stylesheet' data-wpacu-to-be-preloaded-basic='1' id='wpacu-combined-css-{$docLocationTag}-{$groupLocation}-preload-it-basic' href='{$finalTagUrl}' type='text/css' media='{$mediaValueClean}' />
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HTML;
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$finalCssTagRelPreload = <<<HTML
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<link rel='preload' as='style' data-wpacu-preload-it-basic='1' id='wpacu-combined-css-{$docLocationTag}-{$groupLocation}-preload-it-basic' href='{$finalTagUrl}' type='text/css' media='{$mediaValueClean}' />
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HTML;
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$finalCssTagAttrs['rel'] = 'preload';
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$finalCssTagAttrs['media'] = $mediaValueClean;
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$htmlSource = str_replace(Preloads::DEL_STYLES_PRELOADS, $finalCssTagRelPreload."\n" . Preloads::DEL_STYLES_PRELOADS, $htmlSource);
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} else {
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// Render-blocking CSS
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$finalCssTag = <<<HTML
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<link rel='stylesheet' id='wpacu-combined-css-{$docLocationTag}-{$groupLocation}' href='{$finalTagUrl}' type='text/css' media='{$mediaValue}' />
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HTML;
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$finalCssTagAttrs['rel'] = 'stylesheet';
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$finalCssTagAttrs['media'] = $mediaValue;
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}
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// In case one (e.g. usually a developer) needs to alter it
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$finalCssTag = apply_filters(
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'wpacu_combined_css_tag',
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$finalCssTag,
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array(
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'attrs' => $finalCssTagAttrs,
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'doc_location' => $docLocationTag,
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'group_no' => $groupLocation,
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'href' => $finalTagUrl
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)
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);
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// Reference: https://stackoverflow.com/questions/2368539/php-replacing-multiple-spaces-with-a-single-space
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$finalCssTag = preg_replace('!\s+!', ' ', $finalCssTag);
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$htmlSourceBeforeAnyLinkTagReplacement = $htmlSource;
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// Detect first LINK tag from the <$locationTag> and replace it with the final combined LINK tag
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$firstLinkTag = OptimizeCss::getFirstLinkTag($storageJsonContentLocation['link_hrefs'][0], $htmlSource);
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if ($firstLinkTag) {
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// 1) Strip inline code before/after it (if any)
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// 2) Finally, strip the actual tag
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$htmlSource = self::stripTagAndAnyInlineAssocCode( $firstLinkTag, $wpacuRegisteredStyles, $finalCssTag, $htmlSource );
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}
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if ($htmlSource !== $htmlSourceBeforeAnyLinkTagReplacement) {
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$htmlSource = self::stripJustCombinedLinkTags(
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$storageJsonContentLocation['link_hrefs'],
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$wpacuRegisteredStyles,
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$htmlSource
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); // Strip the combined files to avoid duplicate code
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// There should be at least two replacements made AND all the tags should have been replaced
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// Leave no room for errors, otherwise the page could end up with extra files loaded, leading to a slower website
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if ($htmlSource === 'do_not_combine') {
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$htmlSource = $htmlSourceBeforeAnyLinkTagReplacement;
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} else {
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$groupLocation++;
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}
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}
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}
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}
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}
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return $htmlSource;
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}
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/**
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* @param $filesSources
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* @param $wpacuRegisteredStyles
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* @param $htmlSource
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*
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* @return mixed
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*/
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public static function stripJustCombinedLinkTags($filesSources, $wpacuRegisteredStyles, $htmlSource)
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{
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preg_match_all('#<link[^>]*(stylesheet|preload)[^>]*(>)#Umi', $htmlSource, $matchesSourcesFromTags, PREG_SET_ORDER);
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$linkTagsStrippedNo = 0;
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foreach ($matchesSourcesFromTags as $matchSourceFromTag) {
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$matchedSourceFromTag = (isset($matchSourceFromTag[0]) && strip_tags($matchSourceFromTag[0]) === '') ? trim($matchSourceFromTag[0]) : '';
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if (! $matchSourceFromTag) {
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continue;
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}
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// The DOMDocument is already checked if it's enabled in doCombine()
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$domTag = Misc::initDOMDocument();
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|
$domTag->loadHTML($matchedSourceFromTag);
|
||
|
|
|
||
|
|
foreach ($domTag->getElementsByTagName('link') as $tagObject) {
|
||
|
|
if (empty($tagObject->attributes)) { continue; }
|
||
|
|
|
||
|
|
foreach ($tagObject->attributes as $tagAttrs) {
|
||
|
|
if ($tagAttrs->nodeName === 'href') {
|
||
|
|
$relNodeValue = trim(OptimizeCommon::getSourceRelPath($tagAttrs->nodeValue));
|
||
|
|
|
||
|
|
if (in_array($relNodeValue, $filesSources)) {
|
||
|
|
$htmlSourceBeforeLinkTagReplacement = $htmlSource;
|
||
|
|
|
||
|
|
// 1) Strip inline code before/after it (if any)
|
||
|
|
// 2) Finally, strip the actual tag
|
||
|
|
$htmlSource = self::stripTagAndAnyInlineAssocCode( $matchedSourceFromTag, $wpacuRegisteredStyles, '', $htmlSource );
|
||
|
|
|
||
|
|
if ($htmlSource !== $htmlSourceBeforeLinkTagReplacement) {
|
||
|
|
$linkTagsStrippedNo++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
libxml_clear_errors();
|
||
|
|
}
|
||
|
|
|
||
|
|
// Aren't all the LINK tags stripped? They should be, otherwise, do not proceed with the HTML alteration (no combining will take place)
|
||
|
|
// Minus the already combined tag
|
||
|
|
if (($linkTagsStrippedNo < 2) && (count($filesSources) !== $linkTagsStrippedNo)) {
|
||
|
|
return 'do_not_combine';
|
||
|
|
}
|
||
|
|
|
||
|
|
return $htmlSource;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param $href
|
||
|
|
*
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
public static function skipCombine($href)
|
||
|
|
{
|
||
|
|
$regExps = array(
|
||
|
|
'#/wp-content/bs-booster-cache/#'
|
||
|
|
);
|
||
|
|
|
||
|
|
if (Main::instance()->settings['combine_loaded_css_exceptions'] !== '') {
|
||
|
|
$loadedCssExceptionsPatterns = trim(Main::instance()->settings['combine_loaded_css_exceptions']);
|
||
|
|
|
||
|
|
if (strpos($loadedCssExceptionsPatterns, "\n")) {
|
||
|
|
// Multiple values (one per line)
|
||
|
|
foreach (explode("\n", $loadedCssExceptionsPatterns) as $loadedCssExceptionPattern) {
|
||
|
|
$regExps[] = '#'.trim($loadedCssExceptionPattern).'#';
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
// Only one value?
|
||
|
|
$regExps[] = '#'.trim($loadedCssExceptionsPatterns).'#';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// No exceptions set? Do not skip combination
|
||
|
|
if (empty($regExps)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ($regExps as $regExp) {
|
||
|
|
$regExp = Misc::purifyRegexValue($regExp);
|
||
|
|
|
||
|
|
if ( @preg_match( $regExp, $href ) || ( strpos($href, $regExp) !== false ) ) {
|
||
|
|
// Skip combination
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param $localAssetsPaths
|
||
|
|
* @param $linkHrefs
|
||
|
|
* @param $localAssetsExtra
|
||
|
|
* @param $docLocationTag
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public static function maybeDoCssCombine($localAssetsPaths, $linkHrefs, $localAssetsExtra, $docLocationTag)
|
||
|
|
{
|
||
|
|
// Only combine if $shaOneCombinedUriPaths.css does not exist
|
||
|
|
// If "?ver" value changes on any of the assets or the asset list changes in any way
|
||
|
|
// then $shaOneCombinedUriPaths will change too and a new CSS file will be generated and loaded
|
||
|
|
|
||
|
|
// Change $finalCombinedCssContent as paths to fonts and images that are relative (e.g. ../, ../../) have to be updated + other optimization changes
|
||
|
|
$uriToFinalCssFile = $localFinalCssFile = $finalCombinedCssContent = '';
|
||
|
|
|
||
|
|
foreach ($localAssetsPaths as $assetHref => $localAssetsPath) {
|
||
|
|
if ($cssContent = trim(FileSystem::fileGetContents($localAssetsPath, 'combine_css_imports'))) {
|
||
|
|
$pathToAssetDir = OptimizeCommon::getPathToAssetDir($assetHref);
|
||
|
|
|
||
|
|
// Does it have a source map? Strip it
|
||
|
|
if (strpos($cssContent, '/*# sourceMappingURL=') !== false) {
|
||
|
|
$cssContent = OptimizeCommon::stripSourceMap($cssContent, 'css');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (apply_filters('wpacu_print_info_comments_in_cached_assets', true)) {
|
||
|
|
$finalCombinedCssContent .= '/*!' . str_replace( Misc::getWpRootDirPath(), '/', $localAssetsPath ) . "*/\n";
|
||
|
|
}
|
||
|
|
|
||
|
|
$finalCombinedCssContent .= OptimizeCss::maybeFixCssContent($cssContent, $pathToAssetDir . '/') . "\n";
|
||
|
|
|
||
|
|
$finalCombinedCssContent = self::appendToCombineCss($localAssetsExtra, $assetHref, $pathToAssetDir, $finalCombinedCssContent);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Move any @imports to top; This also strips any @imports to Google Fonts if the option is chosen
|
||
|
|
$finalCombinedCssContent = trim(OptimizeCss::importsUpdate($finalCombinedCssContent));
|
||
|
|
|
||
|
|
if (Main::instance()->settings['google_fonts_remove']) {
|
||
|
|
$finalCombinedCssContent = FontsGoogleRemove::cleanFontFaceReferences($finalCombinedCssContent);
|
||
|
|
}
|
||
|
|
|
||
|
|
$finalCombinedCssContent = apply_filters('wpacu_local_fonts_display_css_output', $finalCombinedCssContent, Main::instance()->settings['local_fonts_display']);
|
||
|
|
|
||
|
|
if ($finalCombinedCssContent) {
|
||
|
|
$finalCombinedCssContent = trim($finalCombinedCssContent);
|
||
|
|
$shaOneForCombinedCss = sha1($finalCombinedCssContent);
|
||
|
|
|
||
|
|
$uriToFinalCssFile = $docLocationTag . '-' .$shaOneForCombinedCss . '.css';
|
||
|
|
$localFinalCssFile = WP_CONTENT_DIR . OptimizeCss::getRelPathCssCacheDir() . $uriToFinalCssFile;
|
||
|
|
|
||
|
|
if (! is_file($localFinalCssFile)) {
|
||
|
|
FileSystem::filePutContents($localFinalCssFile, $finalCombinedCssContent);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return array(
|
||
|
|
'uri_final_css_file' => $uriToFinalCssFile,
|
||
|
|
'local_final_css_file' => $localFinalCssFile,
|
||
|
|
'link_hrefs' => $linkHrefs
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param $localAssetsExtra
|
||
|
|
* @param $assetHref
|
||
|
|
* @param $pathToAssetDir
|
||
|
|
* @param $finalAssetsContents
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public static function appendToCombineCss($localAssetsExtra, $assetHref, $pathToAssetDir, $finalAssetsContents)
|
||
|
|
{
|
||
|
|
if (isset($localAssetsExtra[$assetHref]['after']) && ! empty($localAssetsExtra[$assetHref]['after'])) {
|
||
|
|
$afterCssContent = '';
|
||
|
|
|
||
|
|
foreach ($localAssetsExtra[$assetHref]['after'] as $afterData) {
|
||
|
|
if (! is_bool($afterData)) {
|
||
|
|
$afterCssContent .= $afterData."\n";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (trim($afterCssContent)) {
|
||
|
|
if (MinifyCss::isMinifyCssEnabled() && in_array(Main::instance()->settings['minify_loaded_css_for'], array('inline', 'all'))) {
|
||
|
|
$afterCssContent = MinifyCss::applyMinification( $afterCssContent );
|
||
|
|
}
|
||
|
|
|
||
|
|
$afterCssContent = OptimizeCss::maybeFixCssContent( $afterCssContent, $pathToAssetDir . '/' );
|
||
|
|
|
||
|
|
$finalAssetsContents .= apply_filters('wpacu_print_info_comments_in_cached_assets', true) ? '/* [inline: after] */' : '';
|
||
|
|
$finalAssetsContents .= $afterCssContent;
|
||
|
|
$finalAssetsContents .= apply_filters('wpacu_print_info_comments_in_cached_assets', true) ? '/* [/inline: after] */' : '';
|
||
|
|
$finalAssetsContents .= "\n";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $finalAssetsContents;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The targeted LINK tag (which was enqueued and has a handle) is replaced with $replaceWith
|
||
|
|
* along with any inline content that was added after it via wp_add_inline_style()
|
||
|
|
*
|
||
|
|
* @param $targetedLinkTag
|
||
|
|
* @param $wpacuRegisteredStyles
|
||
|
|
* @param $replaceWith
|
||
|
|
* @param $htmlSource
|
||
|
|
*
|
||
|
|
* @return mixed
|
||
|
|
*/
|
||
|
|
public static function stripTagAndAnyInlineAssocCode($targetedLinkTag, $wpacuRegisteredStyles, $replaceWith, $htmlSource)
|
||
|
|
{
|
||
|
|
if (OptimizeCommon::appendInlineCodeToCombineAssetType('css')) {
|
||
|
|
$scriptExtrasHtml = OptimizeCss::getInlineAssociatedWithLinkHandle($targetedLinkTag, $wpacuRegisteredStyles, 'tag', 'html');
|
||
|
|
$scriptExtraAfterHtml = (isset($scriptExtrasHtml['after']) && $scriptExtrasHtml['after']) ? "\n".$scriptExtrasHtml['after'] : '';
|
||
|
|
|
||
|
|
$htmlSource = str_replace(
|
||
|
|
array(
|
||
|
|
$targetedLinkTag . $scriptExtraAfterHtml,
|
||
|
|
$targetedLinkTag . trim($scriptExtraAfterHtml)
|
||
|
|
),
|
||
|
|
$replaceWith,
|
||
|
|
$htmlSource
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
return str_replace(
|
||
|
|
array(
|
||
|
|
$targetedLinkTag."\n",
|
||
|
|
$targetedLinkTag
|
||
|
|
),
|
||
|
|
$replaceWith."\n",
|
||
|
|
$htmlSource
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
public static function proceedWithCssCombine()
|
||
|
|
{
|
||
|
|
// Not on query string request (debugging purposes)
|
||
|
|
if ( ! empty($_REQUEST) && array_key_exists('wpacu_no_css_combine', $_REQUEST) ) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
// No CSS files are combined in the Dashboard
|
||
|
|
// Always in the front-end view
|
||
|
|
// Do not combine if there's a POST request as there could be assets loading conditionally
|
||
|
|
// that might not be needed when the page is accessed without POST, making the final CSS file larger
|
||
|
|
if (! empty($_POST) || is_admin()) {
|
||
|
|
return false; // Do not combine
|
||
|
|
}
|
||
|
|
|
||
|
|
// Only clean request URIs allowed (with Exceptions)
|
||
|
|
// Exceptions
|
||
|
|
if ((strpos($_SERVER['REQUEST_URI'], '?') !== false) && ! OptimizeCommon::loadOptimizedAssetsIfQueryStrings()) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! OptimizeCommon::doCombineIsRegularPage()) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$pluginSettings = Main::instance()->settings;
|
||
|
|
|
||
|
|
if ($pluginSettings['test_mode'] && ! Menu::userCanManageAssets()) {
|
||
|
|
return false; // Do not combine anything if "Test Mode" is ON and the user is in guest mode (not logged-in)
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($pluginSettings['combine_loaded_css'] === '') {
|
||
|
|
return false; // Do not combine
|
||
|
|
}
|
||
|
|
|
||
|
|
if (OptimizeCss::isOptimizeCssEnabledByOtherParty('if_enabled')) {
|
||
|
|
return false; // Do not combine (it's already enabled in other plugin)
|
||
|
|
}
|
||
|
|
|
||
|
|
// "Minify HTML" from WP Rocket is sometimes stripping combined LINK tags
|
||
|
|
// Better uncombined then missing essential CSS files
|
||
|
|
if (Misc::isWpRocketMinifyHtmlEnabled()) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
// The option is no longer used since v1.1.7.3 (Pro) & v1.3.6.4 (Lite)
|
||
|
|
if ( ($pluginSettings['combine_loaded_css'] === 'for_admin'
|
||
|
|
|| $pluginSettings['combine_loaded_css_for_admin_only'] == 1)
|
||
|
|
&& Menu::userCanManageAssets()) {
|
||
|
|
|
||
|
|
return true; // Do combine
|
||
|
|
}
|
||
|
|
*/
|
||
|
|
|
||
|
|
// "Apply it only for guest visitors (default)" is set; Do not combine if the user is logged in
|
||
|
|
if ( $pluginSettings['combine_loaded_css_for'] === 'guests' && is_user_logged_in() ) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (in_array($pluginSettings['combine_loaded_css'], array('for_all', 1)) ) {
|
||
|
|
return true; // Do combine
|
||
|
|
}
|
||
|
|
|
||
|
|
// Finally, return false as none of the verification above matched
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|