1372 lines
50 KiB
PHP
1372 lines
50 KiB
PHP
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<?php
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namespace WpAssetCleanUp\OptimiseAssets;
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use WpAssetCleanUp\FileSystem;
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use WpAssetCleanUp\CleanUp;
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use WpAssetCleanUp\Main;
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use WpAssetCleanUp\MetaBoxes;
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use WpAssetCleanUp\Misc;
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use WpAssetCleanUp\ObjectCache;
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use WpAssetCleanUp\Plugin;
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use WpAssetCleanUp\Preloads;
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/**
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* Class OptimizeJs
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* @package WpAssetCleanUp
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*/
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class OptimizeJs
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{
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/**
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*
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*/
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public function init()
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{
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add_action( 'wp_print_footer_scripts', static function() {
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/* [wpacu_timing] */ Misc::scriptExecTimer( 'prepare_optimize_files_js' ); /* [/wpacu_timing] */
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self::prepareOptimizeList();
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/* [wpacu_timing] */ Misc::scriptExecTimer( 'prepare_optimize_files_js', 'end' ); /* [/wpacu_timing] */
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}, PHP_INT_MAX );
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}
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/**
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*
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*/
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public static function prepareOptimizeList()
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{
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// Are both Minify and Cache Dynamic JS disabled? No point in continuing and using extra resources as there is nothing to change
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if ( ! self::isWorthCheckingForOptimization() || Plugin::preventAnyFrontendOptimization() ) {
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return;
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}
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global $wp_scripts;
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$jsOptimizeList = array();
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$wpScriptsDone = isset($wp_scripts->done) && is_array($wp_scripts->done) ? $wp_scripts->done : array();
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$wpScriptsQueue = isset($wp_scripts->queue) && is_array($wp_scripts->queue) ? $wp_scripts->queue : array();
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$wpScriptsList = array_unique(array_merge($wpScriptsDone, $wpScriptsQueue));
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// Collect all enqueued clean (no query strings) HREFs to later compare them against any hardcoded JS
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$allEnqueuedCleanScriptSrcs = array();
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// [Start] Collect for caching
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if ( ! empty($wpScriptsList) ) {
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$isMinifyJsFilesEnabled = MinifyJs::isMinifyJsEnabled() && in_array(Main::instance()->settings['minify_loaded_js_for'], array('src', 'all', ''));
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foreach ( $wpScriptsList as $index => $scriptHandle ) {
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if ( isset( Main::instance()->wpAllScripts['registered'][ $scriptHandle ]->src ) && ( $src = Main::instance()->wpAllScripts['registered'][ $scriptHandle ]->src ) ) {
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$localAssetPath = OptimizeCommon::getLocalAssetPath( $src, 'js' );
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if ( ! $localAssetPath || ! is_file( $localAssetPath ) ) {
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continue; // not a local file
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}
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ob_start();
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$wp_scripts->do_item( $scriptHandle );
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$scriptSourceTag = trim( ob_get_clean() );
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// Check if the JS has any 'data-wpacu-skip' attribute; if it does, do not alter it
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if ( preg_match( '#data-wpacu-skip([=>/ ])#i', $scriptSourceTag ) ) {
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unset( $wpScriptsList[ $index ] );
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continue;
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}
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$cleanScriptSrcFromTagArray = OptimizeCommon::getLocalCleanSourceFromTag( $scriptSourceTag );
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if ( isset( $cleanScriptSrcFromTagArray['source'] ) && $cleanScriptSrcFromTagArray['source'] ) {
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$allEnqueuedCleanScriptSrcs[] = $cleanScriptSrcFromTagArray['source'];
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}
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$optimizeValues = self::maybeOptimizeIt(
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Main::instance()->wpAllScripts['registered'][ $scriptHandle ],
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array( 'local_asset_path' => $localAssetPath, 'is_minify_js_enabled' => $isMinifyJsFilesEnabled )
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);
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ObjectCache::wpacu_cache_set( 'wpacu_maybe_optimize_it_js_' . $scriptHandle, $optimizeValues );
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if ( ! empty( $optimizeValues ) ) {
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$jsOptimizeList[] = $optimizeValues;
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}
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}
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}
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}
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ObjectCache::wpacu_cache_add('wpacu_js_enqueued_srcs', $allEnqueuedCleanScriptSrcs);
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ObjectCache::wpacu_cache_add('wpacu_js_optimize_list', $jsOptimizeList);
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// [End] Collect for caching
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}
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/**
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* @param $value
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* @param array $fileAlreadyChecked
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*
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* @return array
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*/
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public static function maybeOptimizeIt($value, $fileAlreadyChecked = array())
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{
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if ($optimizeValues = ObjectCache::wpacu_cache_get('wpacu_maybe_optimize_it_js_'.$value->handle)) {
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return $optimizeValues;
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}
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global $wp_version;
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$src = isset($value->src) ? $value->src : false;
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if (! $src) {
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return array();
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}
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$doFileMinify = true;
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$isMinifyJsFilesEnabled = (isset($fileAlreadyChecked['is_minify_js_enabled']) && $fileAlreadyChecked['is_minify_js_enabled'])
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? $fileAlreadyChecked['is_minify_js_enabled']
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: MinifyJs::isMinifyJsEnabled() && in_array(Main::instance()->settings['minify_loaded_js_for'], array('src', 'all', ''));
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if ( ! $isMinifyJsFilesEnabled || MinifyJs::skipMinify($src, $value->handle) ) {
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$doFileMinify = false;
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}
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// Default (it will be later replaced with the last time the file was modified, which is more accurate)
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$dbVer = (isset($value->ver) && $value->ver) ? $value->ver : $wp_version;
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$isJsFile = false;
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// Already checked? Do not reuse OptimizeCommon::getLocalAssetPath() and is_file()
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if (isset($fileAlreadyChecked['local_asset_path']) && $fileAlreadyChecked['local_asset_path']) {
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$localAssetPath = $fileAlreadyChecked['local_asset_path'];
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$checkCond = $localAssetPath;
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} else {
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$localAssetPath = OptimizeCommon::getLocalAssetPath( $src, 'js' );
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$checkCond = $localAssetPath && is_file($localAssetPath);
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}
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if ($checkCond) {
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if ($fileMTime = @filemtime($localAssetPath)) {
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$dbVer = $fileMTime;
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}
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$isJsFile = true;
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}
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if ($isJsFile) {
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// This is the safest one as handle names for specific static can change on very page load
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// as some developers have a habit of adding the UNIX time or other random string to a handle (e.g. for debugging)
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$uniqueAssetStr = md5 ( str_replace(Misc::getWpRootDirPath(), '', $localAssetPath) );
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} else {
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$uniqueAssetStr = md5( $value->handle );
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}
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$transientName = 'wpacu_js_optimize_'.$uniqueAssetStr;
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$skipCache = false;
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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 (! $skipCache) {
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$savedValues = OptimizeCommon::getTransient($transientName);
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if ( $savedValues ) {
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$savedValuesArray = json_decode($savedValues, ARRAY_A);
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if ( $savedValuesArray['ver'] !== $dbVer ) {
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// New File Version? Delete transient as it will be re-added to the database with the new version
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OptimizeCommon::deleteTransient($transientName);
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} else {
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$localPathToJsOptimized = str_replace( '//', '/', Misc::getWpRootDirPath() . $savedValuesArray['optimize_uri'] );
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// Do not load any minified JS file (from the database transient cache) if it doesn't exist
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// It will fallback to the original JS file
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if ( isset( $savedValuesArray['source_uri'] ) && is_file( $localPathToJsOptimized ) ) {
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if (Main::instance()->settings['fetch_cached_files_details_from'] === 'db_disk') {
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$GLOBALS['wpacu_from_location_inc']++;
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}
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return array(
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$savedValuesArray['source_uri'],
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$savedValuesArray['optimize_uri'],
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$value->src,
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$value->handle
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);
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}
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}
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}
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}
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// Check if it starts without "/" or a protocol; e.g. "wp-content/theme/script.js"
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if (strpos($src, '/') !== 0 &&
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strpos($src, '//') !== 0 &&
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stripos($src, 'http://') !== 0 &&
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stripos($src, 'https://') !== 0
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) {
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$src = '/'.$src; // append the forward slash to be processed as relative later on
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}
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// Starts with '/', but not with '//'
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if (strpos($src, '/') === 0 && strpos($src, '//') !== 0) {
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$src = site_url() . $src;
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}
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/*
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* [START] JS Content Optimization
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*/
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if (Main::instance()->settings['cache_dynamic_loaded_js'] &&
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((strpos($src, '/?') !== false) || strpos($src, '.php?') !== false || Misc::endsWith($src, '.php')) &&
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(strpos($src, site_url()) !== false)
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) {
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$pathToAssetDir = '';
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$sourceBeforeOptimization = $value->src;
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if (! ($jsContent = DynamicLoadedAssets::getAssetContentFrom('dynamic', $value))) {
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return array();
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}
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} else {
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if (! $isJsFile) {
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return array();
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}
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/*
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* This is a local .JS file
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*/
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$pathToAssetDir = OptimizeCommon::getPathToAssetDir($value->src);
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$sourceBeforeOptimization = str_replace(Misc::getWpRootDirPath(), '/', $localAssetPath);
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$jsContent = FileSystem::fileGetContents($localAssetPath);
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}
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$hadToBeMinified = false;
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$jsContent = trim($jsContent);
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// If it stays like this, it means there is content there, even if only comments
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$jsContentBecomesEmptyAfterMin = false;
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if ( $doFileMinify && $jsContent ) { // only bother to minify it if it has any content, save resources
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// Minify this file?
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$jsContentBeforeMin = $jsContent;
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$jsContentAfterMin = MinifyJs::applyMinification($jsContentBeforeMin);
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$jsContent = $jsContentAfterMin;
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if ( $jsContentBeforeMin && $jsContentAfterMin === '' ) {
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// It had content, but became empty after minification, most likely it had only comments (e.g. a default child theme's style)
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$jsContentBecomesEmptyAfterMin = true;
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} else {
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$jsContentCompare = md5(trim( $jsContentBeforeMin, '; ' ));
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$jsContentCompareWith = md5(trim( $jsContentAfterMin, '; ' ));
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if ( $jsContentCompare !== $jsContentCompareWith ) {
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$hadToBeMinified = true;
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}
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}
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}
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if ( $jsContentBecomesEmptyAfterMin || $jsContent === '' ) {
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$jsContent = '/**/';
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} else {
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$jsContentArray = self::maybeAlterContentForJsFile( $jsContent, false );
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$jsContent = $jsContentArray['content']; // resulting content after alteration
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$jsContentAfterAlterToCompare = $jsContentArray['content_after_alter_to_compare'];
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if ( $isJsFile && ( ! $hadToBeMinified ) ) {
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$jsContentCompare = md5(trim( $jsContent, '; ' ));
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$jsContentCompareWith = md5(trim( $jsContentAfterAlterToCompare, '; ' ));
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if ( $jsContentCompare === $jsContentCompareWith ) {
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// 1: The file was not minified
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// 2: It doesn't need any alteration (e.g. no Google Fonts to strip from its content)
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// No need to copy it in to the cache (save disk space)
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return array();
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}
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}
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// Change the necessary relative paths before the file is copied to the caching directory (e.g. /wp-content/cache/asset-cleanup/)
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$jsContent = self::maybeDoJsFixes( $jsContent, $pathToAssetDir . '/' );
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}
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/*
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* [END] JS Content Optimization
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*/
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if (isset($jsContentBeforeMin) && $jsContent === '/**/' && strpos($jsContentBeforeMin, '/*@cc_on') !== false && strpos($jsContentBeforeMin, '@*/') !== false) {
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return array(); // Internet Explorer things, leave the file as it is
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}
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// Relative path to the new file
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// Save it to /wp-content/cache/js/{OptimizeCommon::$optimizedSingleFilesDir}/
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$fileVer = sha1($jsContent);
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$uniqueCachedAssetName = OptimizeCommon::generateUniqueNameForCachedAsset($isJsFile, $localAssetPath, $value->handle, $fileVer);
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$newFilePathUri = self::getRelPathJsCacheDir() . OptimizeCommon::$optimizedSingleFilesDir . '/' . $uniqueCachedAssetName;
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$newFilePathUri .= '.js';
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if ($jsContent === '') {
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$jsContent = '/**/';
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}
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if ($jsContent === '/**/') {
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// Leave a signature that the file is empty, thus it would be faster to take further actions upon it later on, saving resources)
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$newFilePathUri = str_replace('.js', '-wpacu-empty-file.js', $newFilePathUri);
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}
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$newLocalPath = WP_CONTENT_DIR . $newFilePathUri; // Ful Local path
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$newLocalPathUrl = WP_CONTENT_URL . $newFilePathUri; // Full URL path
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if ($jsContent && $jsContent !== '/**/' && apply_filters('wpacu_print_info_comments_in_cached_assets', true)) {
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$jsContent = '/*!' . $sourceBeforeOptimization . '*/' . "\n" . $jsContent;
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}
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$saveFile = FileSystem::filePutContents($newLocalPath, $jsContent);
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if (! $saveFile || ! $jsContent) {
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// Fallback to the original JS if the optimized version can't be created or updated
|
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return array();
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}
|
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|
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$saveValues = array(
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'source_uri' => OptimizeCommon::getSourceRelPath($value->src),
|
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'optimize_uri' => OptimizeCommon::getSourceRelPath($newLocalPathUrl),
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'ver' => $dbVer
|
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);
|
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// Add / Re-add (with new version) transient
|
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OptimizeCommon::setTransient($transientName, wp_json_encode($saveValues));
|
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|
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return array(
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OptimizeCommon::getSourceRelPath($value->src), // Original SRC (Relative path)
|
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OptimizeCommon::getSourceRelPath($newLocalPathUrl), // New SRC (Relative path)
|
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$value->src, // SRC (as it is)
|
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$value->handle
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);
|
|||
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}
|
|||
|
|
|||
|
/**
|
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* This applies to both inline and static JS files contents
|
|||
|
*
|
|||
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* @param $jsContent
|
|||
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* @param bool $doJsMinify (false by default as it could be already minified or non-minify type)
|
|||
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*
|
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* @return array
|
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*/
|
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|
public static function maybeAlterContentForJsFile($jsContent, $doJsMinify = false)
|
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{
|
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if (! trim($jsContent)) { // No Content! Return it as it, no point in doing extra checks
|
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return array('content' => $jsContent);
|
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}
|
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|
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$jsContentBefore = $jsContent;
|
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|
|||
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/* [START] Change JS Content */
|
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if ($doJsMinify) {
|
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$jsContent = MinifyJs::applyMinification($jsContent);
|
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}
|
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|
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if (Main::instance()->settings['google_fonts_remove']) {
|
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$jsContent = FontsGoogleRemove::stripReferencesFromJsCode($jsContent);
|
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} elseif (Main::instance()->settings['google_fonts_display']) {
|
|||
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// Perhaps "display" parameter has to be applied to Google Font Links if they are active
|
|||
|
$jsContent = FontsGoogle::alterGoogleFontUrlFromJsContent($jsContent);
|
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}
|
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/* [END] Change JS Content */
|
|||
|
|
|||
|
// Does it have a source map? Strip it only if any optimization was already applied
|
|||
|
// As, otherwise, there's no point in creating a caching file, since there are no changes worth made to the file
|
|||
|
if (($jsContentBefore !== $jsContent) && (strpos($jsContent, '// #sourceMappingURL') !== false) && Misc::endsWith(trim($jsContent), '.map')) {
|
|||
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$jsContent = OptimizeCommon::stripSourceMap($jsContent, 'js');
|
|||
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}
|
|||
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|
|||
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$jsContentAfterAlterToCompare = $jsContent; // new possible values
|
|||
|
return array('content' => $jsContent , 'content_after_alter_to_compare' => $jsContentAfterAlterToCompare);
|
|||
|
}
|
|||
|
|
|||
|
/**
|
|||
|
* @param $jsContent
|
|||
|
* @param $doJsMinify
|
|||
|
*
|
|||
|
* @return false|mixed|string|string[]|null
|
|||
|
*/
|
|||
|
public static function maybeAlterContentForInlineScriptTag($jsContent, $doJsMinify)
|
|||
|
{
|
|||
|
if (! trim($jsContent)) { // No Content! Return it as it, no point in doing extra checks
|
|||
|
return $jsContent;
|
|||
|
}
|
|||
|
|
|||
|
if (mb_strlen($jsContent) > 500000) { // Bigger then ~500KB? Skip alteration for this inline SCRIPT
|
|||
|
return $jsContent;
|
|||
|
}
|
|||
|
|
|||
|
$useCacheForInlineScript = true;
|
|||
|
|
|||
|
if (mb_strlen($jsContent) < 40000) { // Smaller than ~40KB? Do not cache it
|
|||
|
$useCacheForInlineScript = false;
|
|||
|
}
|
|||
|
|
|||
|
// For debugging purposes
|
|||
|
if (isset($_GET['wpacu_no_cache']) || (defined('WPACU_NO_CACHE') && WPACU_NO_CACHE === true)) { $useCacheForInlineScript = false; }
|
|||
|
|
|||
|
if ($useCacheForInlineScript) {
|
|||
|
// Anything in the cache? Take it from there and don't spend resources with the minification
|
|||
|
// (which in some environments uses the CPU, depending on the complexity of the JavaScript code) and any other alteration
|
|||
|
$jsContentBeforeHash = sha1( $jsContent );
|
|||
|
|
|||
|
$pathToInlineJsOptimizedItem = WP_CONTENT_DIR . self::getRelPathJsCacheDir() . '/item/inline/' . $jsContentBeforeHash . '.js';
|
|||
|
|
|||
|
// Check if the file exists before moving forward
|
|||
|
if ( is_file( $pathToInlineJsOptimizedItem ) ) {
|
|||
|
$cachedJsFileExpiresIn = OptimizeCommon::$cachedAssetFileExpiresIn;
|
|||
|
|
|||
|
if ( filemtime( $pathToInlineJsOptimizedItem ) < ( time() - 1 * $cachedJsFileExpiresIn ) ) {
|
|||
|
// Has the caching period expired? Remove the file as a new one has to be generated
|
|||
|
@unlink( $pathToInlineJsOptimizedItem );
|
|||
|
} else {
|
|||
|
// Not expired / Return its content from the cache in a faster way
|
|||
|
$inlineJsStorageItemJsonContent = FileSystem::fileGetContents( $pathToInlineJsOptimizedItem );
|
|||
|
|
|||
|
if ( $inlineJsStorageItemJsonContent !== '' ) {
|
|||
|
return $inlineJsStorageItemJsonContent;
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/* [START] Change JS Content */
|
|||
|
if ($doJsMinify) {
|
|||
|
$jsContent = MinifyJs::applyMinification($jsContent);
|
|||
|
}
|
|||
|
|
|||
|
if (Main::instance()->settings['google_fonts_remove']) {
|
|||
|
$jsContent = FontsGoogleRemove::stripReferencesFromJsCode($jsContent);
|
|||
|
} elseif (Main::instance()->settings['google_fonts_display']) {
|
|||
|
// Perhaps "display" parameter has to be applied to Google Font Links if they are active
|
|||
|
$jsContent = FontsGoogle::alterGoogleFontUrlFromJsContent($jsContent);
|
|||
|
}
|
|||
|
/* [END] Change JS Content */
|
|||
|
|
|||
|
if ( $useCacheForInlineScript && isset($pathToInlineJsOptimizedItem) ) {
|
|||
|
// Store the optimized content to the cached JS file which would be read quicker
|
|||
|
FileSystem::filePutContents( $pathToInlineJsOptimizedItem, $jsContent );
|
|||
|
}
|
|||
|
|
|||
|
return $jsContent;
|
|||
|
}
|
|||
|
|
|||
|
/**
|
|||
|
* @param $htmlSource
|
|||
|
*
|
|||
|
* @return string
|
|||
|
*/
|
|||
|
public static function updateHtmlSourceOriginalToOptimizedJs($htmlSource)
|
|||
|
{
|
|||
|
$parseSiteUrlPath = (string)parse_url(site_url(), PHP_URL_PATH);
|
|||
|
|
|||
|
$siteUrlNoProtocol = str_replace(array('http://', 'https://'), '//', site_url());
|
|||
|
|
|||
|
$jsOptimizeList = ObjectCache::wpacu_cache_get('wpacu_js_optimize_list') ?: array();
|
|||
|
$allEnqueuedCleanSources = ObjectCache::wpacu_cache_get('wpacu_js_enqueued_srcs') ?: array();
|
|||
|
|
|||
|
$allEnqueuedCleanSourcesIncludingTheirRelPaths = array();
|
|||
|
|
|||
|
foreach ($allEnqueuedCleanSources as $allEnqueuedCleanSource) {
|
|||
|
$allEnqueuedCleanSourcesIncludingTheirRelPaths[] = $allEnqueuedCleanSource;
|
|||
|
|
|||
|
if (strpos($allEnqueuedCleanSource, 'http://') === 0 || strpos($allEnqueuedCleanSource, 'https://') === 0) {
|
|||
|
$allEnqueuedCleanSourcesIncludingTheirRelPaths[] = str_replace(array('http://', 'https://'), '//', $allEnqueuedCleanSource);
|
|||
|
|
|||
|
// e.g. www.mysite.com/blog/
|
|||
|
if ($parseSiteUrlPath !== '/' && strlen($parseSiteUrlPath) > 1) {
|
|||
|
$allEnqueuedCleanSourcesIncludingTheirRelPaths[] = $parseSiteUrlPath . str_replace(site_url(), '', $allEnqueuedCleanSource);
|
|||
|
}
|
|||
|
|
|||
|
// e.g. www.mysite.com/
|
|||
|
if ($parseSiteUrlPath === '/' || ! $parseSiteUrlPath) {
|
|||
|
$allEnqueuedCleanSourcesIncludingTheirRelPaths[] = str_replace(site_url(), '', $allEnqueuedCleanSource);
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
$cdnUrls = OptimizeCommon::getAnyCdnUrls();
|
|||
|
$cdnUrlForJs = isset($cdnUrls['js']) ? $cdnUrls['js'] : false;
|
|||
|
|
|||
|
preg_match_all('#(<script[^>]*src(|\s+)=(|\s+)[^>]*>)|(<link[^>]*(as(\s+|)=(\s+|)(|"|\')script(|"|\'))[^>]*>)#Umi', $htmlSource, $matchesSourcesFromTags, PREG_SET_ORDER);
|
|||
|
|
|||
|
$jsOptimizeListHardcoded = $scriptTagsToUpdate = array();
|
|||
|
|
|||
|
foreach ($matchesSourcesFromTags as $matches) {
|
|||
|
$scriptSourceTag = $matches[0];
|
|||
|
|
|||
|
if (strip_tags($scriptSourceTag) !== '') {
|
|||
|
// Hmm? Not a valid tag... Skip it...
|
|||
|
continue;
|
|||
|
}
|
|||
|
|
|||
|
// Check if the JS has any 'data-wpacu-skip' attribute; if it does, do not alter it
|
|||
|
if (preg_match('#data-wpacu-skip([=>/ ])#i', $scriptSourceTag)) {
|
|||
|
continue;
|
|||
|
}
|
|||
|
|
|||
|
$cleanScriptSrcFromTagArray = OptimizeCommon::getLocalCleanSourceFromTag($scriptSourceTag);
|
|||
|
|
|||
|
// Skip external links, no point in carrying on
|
|||
|
if (! $cleanScriptSrcFromTagArray || ! is_array($cleanScriptSrcFromTagArray)) {
|
|||
|
continue;
|
|||
|
}
|
|||
|
|
|||
|
$forAttr = 'src';
|
|||
|
|
|||
|
// Any preloads for the optimized script?
|
|||
|
// e.g. <link rel='preload' as='script' href='...' />
|
|||
|
if (strpos($scriptSourceTag, '<link') !== false) {
|
|||
|
$forAttr = 'href';
|
|||
|
}
|
|||
|
|
|||
|
// Is it a local JS? Check if it's hardcoded (not enqueued the WordPress way)
|
|||
|
$cleanScriptSrcFromTag = $cleanScriptSrcFromTagArray['source'];
|
|||
|
$afterQuestionMark = $cleanScriptSrcFromTagArray['after_question_mark'];
|
|||
|
|
|||
|
$isHardcodedDetected = false;
|
|||
|
|
|||
|
if (! in_array($cleanScriptSrcFromTag, $allEnqueuedCleanSourcesIncludingTheirRelPaths)) {
|
|||
|
// Not in the final enqueued list? Most likely hardcoded (not added via wp_enqueue_scripts())
|
|||
|
// Emulate the object value (as the enqueued scripts)
|
|||
|
$generatedHandle = md5($cleanScriptSrcFromTag);
|
|||
|
|
|||
|
$value = (object)array(
|
|||
|
'handle' => $generatedHandle,
|
|||
|
'src' => $cleanScriptSrcFromTag,
|
|||
|
'ver' => md5($afterQuestionMark)
|
|||
|
);
|
|||
|
|
|||
|
$optimizeValues = self::maybeOptimizeIt($value);
|
|||
|
ObjectCache::wpacu_cache_set('wpacu_maybe_optimize_it_js_'.$generatedHandle, $optimizeValues);
|
|||
|
|
|||
|
if (! empty($optimizeValues)) {
|
|||
|
$isHardcodedDetected = true;
|
|||
|
$jsOptimizeListHardcoded[] = $optimizeValues;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
if ( ! $isHardcodedDetected ) {
|
|||
|
$listToParse = $jsOptimizeList;
|
|||
|
} else {
|
|||
|
$listToParse = $jsOptimizeListHardcoded;
|
|||
|
}
|
|||
|
|
|||
|
if (empty($listToParse)) {
|
|||
|
continue;
|
|||
|
}
|
|||
|
|
|||
|
foreach ($listToParse as $listValues) {
|
|||
|
// Index 0: Source URL (relative)
|
|||
|
// Index 1: New Optimized URL (relative)
|
|||
|
// Index 2: Source URL (as it is)
|
|||
|
|
|||
|
// if the relative path from the WP root does not match the value of the source from the tag, do not continue
|
|||
|
// e.g. '/wp-content/plugins/my-plugin/script.js' has to be inside '<script src="/wp-content/plugins/my-plugin/script.js?ver=1.1"></script>'
|
|||
|
if (strpos($cleanScriptSrcFromTag, $listValues[0]) === false) {
|
|||
|
continue;
|
|||
|
}
|
|||
|
|
|||
|
// The contents of the CSS file has been changed and thus, we will replace the source path from original tag with the cached (e.g. minified) one
|
|||
|
|
|||
|
// If the minified files are deleted (e.g. /wp-content/cache/ is cleared)
|
|||
|
// do not replace the JS file path to avoid breaking the website
|
|||
|
$localPathOptimizedFile = rtrim(Misc::getWpRootDirPath(), '/') . $listValues[1];
|
|||
|
|
|||
|
if (! is_file($localPathOptimizedFile)) {
|
|||
|
continue;
|
|||
|
}
|
|||
|
|
|||
|
// Make sure the source URL gets updated even if it starts with // (some plugins/theme strip the protocol when enqueuing assets)
|
|||
|
// If the first value fails to be replaced, the next one will be attempted for replacement
|
|||
|
// the order of the elements in the array is very important
|
|||
|
$sourceUrlList = array(
|
|||
|
site_url() . $listValues[0], // with protocol
|
|||
|
$siteUrlNoProtocol . $listValues[0], // without protocol
|
|||
|
);
|
|||
|
|
|||
|
if ($parseSiteUrlPath && (strpos($listValues[0], $parseSiteUrlPath) === 0 || strpos($cleanScriptSrcFromTag, $parseSiteUrlPath) === 0)) {
|
|||
|
$sourceUrlList[] = $cleanScriptSrcFromTag;
|
|||
|
}
|
|||
|
|
|||
|
if ($parseSiteUrlPath && strpos($cleanScriptSrcFromTag, $parseSiteUrlPath) === 0 && strpos($cleanScriptSrcFromTag, $listValues[0]) !== false) {
|
|||
|
$sourceUrlList[] = str_replace('//', '/', $parseSiteUrlPath.'/'.$listValues[0]);
|
|||
|
}
|
|||
|
elseif ( $cleanScriptSrcFromTag === $listValues[0] ) {
|
|||
|
$sourceUrlList[] = $listValues[0];
|
|||
|
}
|
|||
|
|
|||
|
if ($cdnUrlForJs) {
|
|||
|
// Does it have a CDN?
|
|||
|
$sourceUrlList[] = OptimizeCommon::cdnToUrlFormat($cdnUrlForJs, 'rel') . $listValues[0];
|
|||
|
}
|
|||
|
|
|||
|
// Any rel tag? You never know
|
|||
|
// e.g. <script src="/wp-content/themes/my-theme/script.js"></script>
|
|||
|
if ( (strpos($listValues[2], '/') === 0 && strpos($listValues[2], '//') !== 0)
|
|||
|
|| (strpos($listValues[2], '/') !== 0 &&
|
|||
|
strpos($listValues[2], '//') !== 0 &&
|
|||
|
stripos($listValues[2], 'http://') !== 0 &&
|
|||
|
stripos($listValues[2], 'https://') !== 0) ) {
|
|||
|
$sourceUrlList[] = $listValues[2];
|
|||
|
}
|
|||
|
|
|||
|
// If no CDN is set, it will return site_url() as a prefix
|
|||
|
$optimizeUrl = OptimizeCommon::cdnToUrlFormat($cdnUrlForJs, 'raw') . $listValues[1]; // string
|
|||
|
|
|||
|
if ($scriptSourceTag !== str_ireplace($sourceUrlList, $optimizeUrl, $scriptSourceTag)) {
|
|||
|
// Extra measure: Check the file size which should be 4 bytes, but add some margin error in case some environments will report less
|
|||
|
$isEmptyOptimizedFile = (strpos($localPathOptimizedFile, '-wpacu-empty-file.js') !== false && filesize($localPathOptimizedFile) < 10);
|
|||
|
|
|||
|
if ($isEmptyOptimizedFile) {
|
|||
|
// Strip it as its content (after optimization, for instance) is empty; no point in having extra HTTP requests
|
|||
|
if ($forAttr === 'src') {
|
|||
|
$scriptTagsToUpdate[ $scriptSourceTag . '</script>' ] = '';
|
|||
|
} else {
|
|||
|
$scriptTagsToUpdate[ $scriptSourceTag ] = ''; // LINK (e.g. preload of a JS file)
|
|||
|
}
|
|||
|
// Note: As for September 3, 2020, the inline JS associated with the handle is no longer removed if the main JS file is empty
|
|||
|
// There could be cases when the main JS file is empty, but the inline JS tag associated with it has code that is needed
|
|||
|
|
|||
|
} else {
|
|||
|
$newScriptSourceTag = self::updateOriginalToOptimizedTag( $scriptSourceTag, $sourceUrlList, $optimizeUrl, $forAttr );
|
|||
|
$scriptTagsToUpdate[$scriptSourceTag] = $newScriptSourceTag;
|
|||
|
}
|
|||
|
|
|||
|
break;
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
return strtr($htmlSource, $scriptTagsToUpdate);
|
|||
|
}
|
|||
|
|
|||
|
/**
|
|||
|
* @param $scriptSourceTag string
|
|||
|
* @param $sourceUrlList array
|
|||
|
* @param $optimizeUrl string
|
|||
|
* @param string $forAttr ('src' (default), or 'href' if it's preloaded)
|
|||
|
*
|
|||
|
* @return string
|
|||
|
*/
|
|||
|
public static function updateOriginalToOptimizedTag($scriptSourceTag, $sourceUrlList, $optimizeUrl, $forAttr = 'src')
|
|||
|
{
|
|||
|
if (is_array($sourceUrlList) && ! empty($sourceUrlList)) {
|
|||
|
foreach ($sourceUrlList as $sourceUrl) {
|
|||
|
$newScriptSourceTag = str_replace($sourceUrl, $optimizeUrl, $scriptSourceTag);
|
|||
|
|
|||
|
if ($newScriptSourceTag !== $scriptSourceTag) {
|
|||
|
break;
|
|||
|
}
|
|||
|
}
|
|||
|
} else {
|
|||
|
$newScriptSourceTag = str_replace( $sourceUrlList, $optimizeUrl, $scriptSourceTag );
|
|||
|
}
|
|||
|
|
|||
|
$tagToCheck = ($forAttr === 'src') ? 'script' : 'link';
|
|||
|
|
|||
|
$sourceUrlRel = is_array($sourceUrlList) ? OptimizeCommon::getSourceRelPath($sourceUrlList[0]) : OptimizeCommon::getSourceRelPath($sourceUrlList);
|
|||
|
$newScriptSourceTag = str_ireplace('<'.$tagToCheck.' ', '<'.$tagToCheck.' data-wpacu-script-rel-src-before="'.$sourceUrlRel.'" ', $newScriptSourceTag);
|
|||
|
|
|||
|
$sourceValue = Misc::getValueFromTag($scriptSourceTag);
|
|||
|
|
|||
|
// No space from the matching and ? should be there
|
|||
|
if ($sourceValue && ( strpos( $sourceValue, ' ' ) === false )) {
|
|||
|
if ( strpos( $sourceValue, '?' ) !== false ) {
|
|||
|
// Strip things like ?ver=
|
|||
|
list( , $toStrip ) = explode( '?', $sourceValue );
|
|||
|
$toStrip = '?' . trim( $toStrip );
|
|||
|
$newScriptSourceTag = str_replace( $toStrip, '', $newScriptSourceTag );
|
|||
|
}
|
|||
|
|
|||
|
if ( strpos( $sourceValue, '&ver' ) !== false ) {
|
|||
|
// Replace any .js&ver with .js
|
|||
|
$toStrip = strrchr($sourceValue, '&ver');
|
|||
|
$newScriptSourceTag = str_replace( $toStrip, '', $newScriptSourceTag );
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
global $wp_version;
|
|||
|
|
|||
|
$newScriptSourceTag = str_replace('.js&ver='.$wp_version, '.js', $newScriptSourceTag);
|
|||
|
$newScriptSourceTag = str_replace('.js&ver=', '.js', $newScriptSourceTag);
|
|||
|
|
|||
|
return preg_replace('!\s+!', ' ', $newScriptSourceTag); // replace multiple spaces with only one space
|
|||
|
}
|
|||
|
|
|||
|
/**
|
|||
|
* @param $htmlSource
|
|||
|
*
|
|||
|
* @return mixed|void
|
|||
|
*/
|
|||
|
public static function alterHtmlSource($htmlSource)
|
|||
|
{
|
|||
|
// There has to be at least one "<script", otherwise, it could be a feed request or something similar (not page, post, homepage etc.)
|
|||
|
if ( stripos($htmlSource, '<script') === false || isset($_GET['wpacu_no_optimize_js']) ) {
|
|||
|
return $htmlSource;
|
|||
|
}
|
|||
|
|
|||
|
/* [wpacu_timing] */ Misc::scriptExecTimer( 'alter_html_source_for_optimize_js' ); /* [/wpacu_timing] */
|
|||
|
|
|||
|
/* [wpacu_pro] */$htmlSource = apply_filters('wpacu_pro_maybe_move_jquery_after_body_tag', $htmlSource);/* [/wpacu_pro] */
|
|||
|
|
|||
|
if (! Main::instance()->preventAssetsSettings()) {
|
|||
|
/* [wpacu_timing] */ $wpacuTimingName = 'alter_html_source_unload_ignore_deps_js'; Misc::scriptExecTimer($wpacuTimingName); /* [/wpacu_timing] */
|
|||
|
// Are there any assets unloaded where their "children" are ignored?
|
|||
|
// Since they weren't dequeued the WP way (to avoid unloading the "children"), they will be stripped here
|
|||
|
$htmlSource = self::ignoreDependencyRuleAndKeepChildrenLoaded($htmlSource);
|
|||
|
/* [wpacu_timing] */ Misc::scriptExecTimer($wpacuTimingName, 'end'); /* [/wpacu_timing] */
|
|||
|
|
|||
|
// Move any jQuery inline SCRIPT that is triggered before jQuery library is called through "jquery-core" handle
|
|||
|
if (Main::instance()->settings['move_inline_jquery_after_src_tag']) {
|
|||
|
/* [wpacu_timing] */ $wpacuTimingName = 'alter_html_source_move_inline_jquery_after_src_tag'; Misc::scriptExecTimer($wpacuTimingName); /* [/wpacu_timing] */
|
|||
|
$htmlSource = self::moveInlinejQueryAfterjQuerySrc($htmlSource);
|
|||
|
/* [wpacu_timing] */ Misc::scriptExecTimer($wpacuTimingName, 'end'); /* [/wpacu_timing] */
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
$htmlSource = self::stripAnyReferencesForUnloadedScripts($htmlSource);
|
|||
|
|
|||
|
/*
|
|||
|
* The JavaScript files only get cached if they are minified or are loaded like /?custom-js=version - /script.php?ver=1 etc.
|
|||
|
* #optimizing
|
|||
|
* STEP 2: Load optimize-able caching list and replace the original source URLs with the new cached ones
|
|||
|
*/
|
|||
|
|
|||
|
// At least minify or cache dynamic loaded JS has to be enabled to proceed
|
|||
|
if (self::isWorthCheckingForOptimization()) {
|
|||
|
/* [wpacu_timing] */ $wpacuTimingName = 'alter_html_source_original_to_optimized_js'; Misc::scriptExecTimer($wpacuTimingName); /* [/wpacu_timing] */
|
|||
|
// 'wpacu_js_optimize_list' caching list is also checked; if it's empty, no optimization is made
|
|||
|
$htmlSource = self::updateHtmlSourceOriginalToOptimizedJs($htmlSource);
|
|||
|
/* [wpacu_timing] */ Misc::scriptExecTimer($wpacuTimingName, 'end'); /* [/wpacu_timing] */
|
|||
|
}
|
|||
|
|
|||
|
if (! Main::instance()->preventAssetsSettings()) {
|
|||
|
/* [wpacu_timing] */ $wpacuTimingName = 'alter_html_source_for_preload_js'; Misc::scriptExecTimer($wpacuTimingName); /* [/wpacu_timing] */
|
|||
|
$preloads = Preloads::instance()->getPreloads();
|
|||
|
|
|||
|
if (isset($preloads['scripts']) && ! empty($preloads['scripts'])) {
|
|||
|
$htmlSource = Preloads::appendPreloadsForScriptsToHead($htmlSource);
|
|||
|
}
|
|||
|
|
|||
|
/* [wpacu_timing] */ Misc::scriptExecTimer($wpacuTimingName, 'end'); /* [/wpacu_timing] */
|
|||
|
}
|
|||
|
|
|||
|
/* [wpacu_timing] */ $wpacuTimingName = 'alter_html_source_for_combine_js'; Misc::scriptExecTimer($wpacuTimingName); /* [/wpacu_timing] */
|
|||
|
$proceedWithCombineOnThisPage = true;
|
|||
|
|
|||
|
$isSingularPage = defined('WPACU_CURRENT_PAGE_ID') && WPACU_CURRENT_PAGE_ID > 0 && is_singular();
|
|||
|
|
|||
|
// If "Do not combine JS on this page" is checked in "Asset CleanUp Options" side meta box
|
|||
|
// Works for posts, pages and custom post types
|
|||
|
if ($isSingularPage || Misc::isHomePage()) {
|
|||
|
if ($isSingularPage) {
|
|||
|
$pageOptions = MetaBoxes::getPageOptions( WPACU_CURRENT_PAGE_ID ); // Singular page
|
|||
|
} else {
|
|||
|
$pageOptions = MetaBoxes::getPageOptions(0, 'front_page'); // Home page
|
|||
|
}
|
|||
|
|
|||
|
// 'no_js_optimize' refers to avoid the combination of JS files
|
|||
|
if ( (isset( $pageOptions['no_js_optimize'] ) && $pageOptions['no_js_optimize'])
|
|||
|
|| (isset( $pageOptions['no_assets_settings'] ) && $pageOptions['no_assets_settings']) ) {
|
|||
|
$proceedWithCombineOnThisPage = false;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
if ($proceedWithCombineOnThisPage) {
|
|||
|
/* [wpacu_timing] */ // Note: Load timing is checked within the method /* [/wpacu_timing] */
|
|||
|
$htmlSource = CombineJs::doCombine($htmlSource);
|
|||
|
if (defined('WPACU_REAPPLY_PRELOADING_FOR_COMBINED_JS') && WPACU_REAPPLY_PRELOADING_FOR_COMBINED_JS) {
|
|||
|
$htmlSource = Preloads::appendPreloadsForScriptsToHead($htmlSource);
|
|||
|
}
|
|||
|
}
|
|||
|
/* [wpacu_timing] */ Misc::scriptExecTimer($wpacuTimingName, 'end'); /* [/wpacu_timing] */
|
|||
|
|
|||
|
if (self::isWorthCheckingForOptimization() && ! Main::instance()->preventAssetsSettings() && (MinifyJs::isMinifyJsEnabled() && in_array(Main::instance()->settings['minify_loaded_js_for'], array('inline', 'all')))) {
|
|||
|
/* [wpacu_timing] */ $wpacuTimingName = 'alter_html_source_for_minify_inline_script_tags'; Misc::scriptExecTimer($wpacuTimingName); /* [/wpacu_timing] */
|
|||
|
$htmlSource = MinifyJs::minifyInlineScriptTags($htmlSource);
|
|||
|
/* [wpacu_timing] */ Misc::scriptExecTimer($wpacuTimingName, 'end'); /* [/wpacu_timing] */
|
|||
|
}
|
|||
|
|
|||
|
// Final cleanups
|
|||
|
$htmlSource = str_replace(Preloads::DEL_SCRIPTS_PRELOADS, '', $htmlSource);
|
|||
|
|
|||
|
$htmlSource = preg_replace('#(\s+|)(data-wpacu-jquery-core-handle=1|data-wpacu-jquery-migrate-handle=1)(\s+|)#Umi', ' ', $htmlSource);
|
|||
|
|
|||
|
$htmlSource = preg_replace('#(\s+|)data-wpacu-script-rel-src-before=(["\'])' . '(.*)' . '(\1)(\s+|)#Usmi', ' ', $htmlSource);
|
|||
|
$htmlSource = preg_replace('#<script(.*)data-wpacu-script-handle=\'(.*)\'#Umi', '<script \\1', $htmlSource);
|
|||
|
$htmlSource = preg_replace('#<script(\s+)src=\'#Umi', '<script src=\'', $htmlSource);
|
|||
|
|
|||
|
// Clear possible empty SCRIPT tags (e.g. left from associated 'before' and 'after' tags after their content was stripped)
|
|||
|
$htmlSource = preg_replace('#<script(\s+)(type=\'text/javascript\'|)(\s+|)></script>#Umi', '', $htmlSource);
|
|||
|
|
|||
|
/* [wpacu_timing] */ Misc::scriptExecTimer('alter_html_source_for_optimize_js', 'end'); /* [/wpacu_timing] */
|
|||
|
return $htmlSource;
|
|||
|
}
|
|||
|
|
|||
|
/**
|
|||
|
* @return string
|
|||
|
*/
|
|||
|
public static function getRelPathJsCacheDir()
|
|||
|
{
|
|||
|
return OptimizeCommon::getRelPathPluginCacheDir().'js/'; // keep trailing slash at the end
|
|||
|
}
|
|||
|
|
|||
|
/**
|
|||
|
* @param $scriptSrcs
|
|||
|
* @param $htmlSource
|
|||
|
*
|
|||
|
* @return array
|
|||
|
*/
|
|||
|
public static function getScriptTagsFromSrcs($scriptSrcs, $htmlSource)
|
|||
|
{
|
|||
|
$scriptTags = array();
|
|||
|
|
|||
|
foreach ($scriptSrcs as $scriptSrc) {
|
|||
|
$scriptSrc = str_replace('{site_url}', '', $scriptSrc);
|
|||
|
|
|||
|
// Clean it up for the preg_quote() call
|
|||
|
if (strpos($scriptSrc, '.js?') !== false) {
|
|||
|
list($scriptSrc,) = explode('.js?', $scriptSrc);
|
|||
|
$scriptSrc .= '.js';
|
|||
|
}
|
|||
|
|
|||
|
preg_match_all('#<script[^>]*src(|\s+)=(|\s+)[^>]*'. preg_quote($scriptSrc, '/'). '.*(>)(.*|)</script>#Usmi', $htmlSource, $matchesFromSrc, PREG_SET_ORDER);
|
|||
|
|
|||
|
if (isset($matchesFromSrc[0][0]) && strip_tags($matchesFromSrc[0][0]) === '') {
|
|||
|
$scriptTags[] = trim($matchesFromSrc[0][0]);
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
return $scriptTags;
|
|||
|
}
|
|||
|
|
|||
|
/**
|
|||
|
* @param $strFind
|
|||
|
* @param $strReplaceWith
|
|||
|
* @param $string
|
|||
|
*
|
|||
|
* @return mixed
|
|||
|
*/
|
|||
|
public static function strReplaceOnce($strFind, $strReplaceWith, $string)
|
|||
|
{
|
|||
|
if ( strpos($string, $strFind) === false ) {
|
|||
|
return $string;
|
|||
|
}
|
|||
|
|
|||
|
$occurrence = strpos($string, $strFind);
|
|||
|
return substr_replace($string, $strReplaceWith, $occurrence, strlen($strFind));
|
|||
|
}
|
|||
|
|
|||
|
/**
|
|||
|
* @param $jsContent
|
|||
|
* @param $appendBefore
|
|||
|
*
|
|||
|
* @return string
|
|||
|
*/
|
|||
|
public static function maybeDoJsFixes($jsContent, $appendBefore)
|
|||
|
{
|
|||
|
// Relative URIs for CSS Paths
|
|||
|
// For code such as:
|
|||
|
// $(this).css("background", "url('../images/image-1.jpg')");
|
|||
|
|
|||
|
$jsContentPathReps = array(
|
|||
|
'url("../' => 'url("'.$appendBefore.'../',
|
|||
|
"url('../" => "url('".$appendBefore.'../',
|
|||
|
'url(../' => 'url('.$appendBefore.'../',
|
|||
|
|
|||
|
'url("./' => 'url("'.$appendBefore.'./',
|
|||
|
"url('./" => "url('".$appendBefore.'./',
|
|||
|
'url(./' => 'url('.$appendBefore.'./'
|
|||
|
);
|
|||
|
|
|||
|
$jsContent = str_replace(array_keys($jsContentPathReps), array_values($jsContentPathReps), $jsContent);
|
|||
|
|
|||
|
$jsContent = trim($jsContent);
|
|||
|
|
|||
|
if (substr($jsContent, -1) !== ';') {
|
|||
|
$jsContent .= "\n" . ';'; // add semicolon as the last character
|
|||
|
}
|
|||
|
|
|||
|
return $jsContent;
|
|||
|
}
|
|||
|
|
|||
|
/**
|
|||
|
* e.g. if a script is unloaded, strip any LINK tag that preloads that script (e.g. added by other plugins)
|
|||
|
*
|
|||
|
* @param $htmlSource
|
|||
|
*
|
|||
|
* @return array|mixed|string|string[]
|
|||
|
*/
|
|||
|
public static function stripAnyReferencesForUnloadedScripts($htmlSource)
|
|||
|
{
|
|||
|
// Gather all SRCs of the unloaded scripts (if any)
|
|||
|
$unloadedScriptRelSrcs = array();
|
|||
|
|
|||
|
if ( isset( Main::instance()->allUnloadedAssets['scripts'] ) && ! empty( Main::instance()->allUnloadedAssets['scripts'] ) ) {
|
|||
|
foreach ( array_unique( Main::instance()->allUnloadedAssets['scripts'] ) as $scriptHandle ) {
|
|||
|
if ( ! (isset(Main::instance()->wpAllScripts['registered'][ $scriptHandle ]->src) && Main::instance()->wpAllScripts['registered'][ $scriptHandle ]->src) ) {
|
|||
|
continue; // does not have a "src" (e.g. inline JS)
|
|||
|
}
|
|||
|
$unloadedScriptRelSrcs[] = OptimizeCommon::getSourceRelPath( Main::instance()->wpAllScripts['registered'][ $scriptHandle ]->src );
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
if ( ! empty($unloadedScriptRelSrcs) ) {
|
|||
|
$htmlSource = OptimizeCommon::matchAndReplaceLinkTags($htmlSource, array('as' => 'script', 'unloaded_assets_rel_sources' => $unloadedScriptRelSrcs));
|
|||
|
}
|
|||
|
|
|||
|
return $htmlSource;
|
|||
|
}
|
|||
|
|
|||
|
/**
|
|||
|
* @param $htmlSource
|
|||
|
*
|
|||
|
* @return false|mixed|string|void
|
|||
|
*/
|
|||
|
public static function moveInlinejQueryAfterjQuerySrc($htmlSource)
|
|||
|
{
|
|||
|
if (stripos($htmlSource, '<script') === false || ! Misc::isDOMDocumentOn()) {
|
|||
|
return $htmlSource;
|
|||
|
}
|
|||
|
|
|||
|
$domTag = OptimizeCommon::getDomLoadedTag($htmlSource, 'moveInlinejQueryAfterjQuerySrc');
|
|||
|
|
|||
|
$scriptTagsObj = $domTag->getElementsByTagName( 'script' );
|
|||
|
|
|||
|
if ($scriptTagsObj === null) {
|
|||
|
return $htmlSource;
|
|||
|
}
|
|||
|
|
|||
|
// Does it have the "src" attribute? Skip it as it's not an inline SCRIPT tag
|
|||
|
$jQueryPatternsToMatch = array(
|
|||
|
'jQuery',
|
|||
|
'\$(\s+|)\((\s+|)document(\s+|)\)(\s+|).(\s+|)ready(\s+|)\('
|
|||
|
);
|
|||
|
|
|||
|
$jQueryRegExp = '#' . implode('|', $jQueryPatternsToMatch) . '#si';
|
|||
|
|
|||
|
$jQueryCoreDel = 'data-wpacu-jquery-core-handle=';
|
|||
|
$jQueryMigrateDel = 'data-wpacu-jquery-migrate-handle=';
|
|||
|
|
|||
|
if (strpos($htmlSource, $jQueryMigrateDel) !== false) {
|
|||
|
$collectUntil = $jQueryMigrateDel;
|
|||
|
} elseif (strpos($htmlSource, $jQueryCoreDel) !== false) {
|
|||
|
$collectUntil = $jQueryCoreDel;
|
|||
|
} else {
|
|||
|
return $htmlSource; // No jQuery or jQuery Migrate? Just return the HTML source
|
|||
|
}
|
|||
|
|
|||
|
$inlineBeforejQuerySrc = array();
|
|||
|
|
|||
|
foreach ($scriptTagsObj as $scriptTagObj) {
|
|||
|
$tagContents = $scriptTagObj->nodeValue;
|
|||
|
|
|||
|
if ( strpos( Misc::getOuterHTML( $scriptTagObj ), $collectUntil) !== false) {
|
|||
|
break;
|
|||
|
}
|
|||
|
|
|||
|
if ($tagContents !== '' && preg_match($jQueryRegExp, $tagContents)) {
|
|||
|
preg_match('#<script[^>]*>'.preg_quote($tagContents, '/').'</script>#si', $htmlSource, $matchesExact);
|
|||
|
$exactMatchTag = isset($matchesExact[0]) ? $matchesExact[0] : '';
|
|||
|
|
|||
|
// Replace the first match only in rare cases there are multiple SCRIPT tags with the same code
|
|||
|
if ($exactMatchTag && ($pos = strpos($htmlSource, $exactMatchTag)) !== false) {
|
|||
|
$inlineBeforejQuerySrc[] = $exactMatchTag;
|
|||
|
$htmlSource = substr_replace($htmlSource, '', $pos, strlen($exactMatchTag));
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
preg_match('#<script* '.$collectUntil.'*[^>]*>(.*?)</script>#si', $htmlSource, $matches);
|
|||
|
|
|||
|
if (! empty($inlineBeforejQuerySrc) && $collectUntil && isset($matches[0])) {
|
|||
|
$htmlSource = preg_replace('#<script* '.$collectUntil.'*[^>]*>(.*?)</script>#si', $matches[0]."\n".implode("\n", $inlineBeforejQuerySrc), $htmlSource);
|
|||
|
}
|
|||
|
|
|||
|
return $htmlSource;
|
|||
|
}
|
|||
|
|
|||
|
/**
|
|||
|
* @param string $returnType
|
|||
|
* 'list' - will return the list of plugins that have JS optimization enabled
|
|||
|
* 'if_enabled' - will stop when it finds the first one (any order) and return true
|
|||
|
* @return array|bool
|
|||
|
*/
|
|||
|
public static function isOptimizeJsEnabledByOtherParty($returnType = 'list')
|
|||
|
{
|
|||
|
$pluginsToCheck = array(
|
|||
|
'autoptimize/autoptimize.php' => 'Autoptimize',
|
|||
|
'wp-rocket/wp-rocket.php' => 'WP Rocket',
|
|||
|
'wp-fastest-cache/wpFastestCache.php' => 'WP Fastest Cache',
|
|||
|
'w3-total-cache/w3-total-cache.php' => 'W3 Total Cache',
|
|||
|
'sg-cachepress/sg-cachepress.php' => 'SG Optimizer',
|
|||
|
'fast-velocity-minify/fvm.php' => 'Fast Velocity Minify',
|
|||
|
'litespeed-cache/litespeed-cache.php' => 'LiteSpeed Cache',
|
|||
|
'swift-performance-lite/performance.php' => 'Swift Performance Lite',
|
|||
|
'breeze/breeze.php' => 'Breeze – WordPress Cache Plugin'
|
|||
|
);
|
|||
|
|
|||
|
$jsOptimizeEnabledIn = array();
|
|||
|
|
|||
|
foreach ($pluginsToCheck as $plugin => $pluginTitle) {
|
|||
|
// "Autoptimize" check
|
|||
|
if ($plugin === 'autoptimize/autoptimize.php' && Misc::isPluginActive($plugin) && get_option('autoptimize_js')) {
|
|||
|
$jsOptimizeEnabledIn[] = $pluginTitle;
|
|||
|
|
|||
|
if ($returnType === 'if_enabled') { return true; }
|
|||
|
}
|
|||
|
|
|||
|
// "WP Rocket" check
|
|||
|
if ($plugin === 'wp-rocket/wp-rocket.php' && Misc::isPluginActive($plugin)) {
|
|||
|
if (function_exists('get_rocket_option')) {
|
|||
|
$wpRocketMinifyJs = get_rocket_option('minify_js');
|
|||
|
$wpRocketMinifyConcatenateJs = get_rocket_option('minify_concatenate_js');
|
|||
|
} else {
|
|||
|
$wpRocketSettings = get_option('wp_rocket_settings');
|
|||
|
$wpRocketMinifyJs = isset($wpRocketSettings['minify_js']) ? $wpRocketSettings['minify_js'] : false;
|
|||
|
$wpRocketMinifyConcatenateJs = isset($wpRocketSettings['minify_concatenate_js']) ? $wpRocketSettings['minify_concatenate_js'] : false;
|
|||
|
}
|
|||
|
|
|||
|
if ($wpRocketMinifyJs || $wpRocketMinifyConcatenateJs) {
|
|||
|
$jsOptimizeEnabledIn[] = $pluginTitle;
|
|||
|
|
|||
|
if ($returnType === 'if_enabled') { return true; }
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
// "WP Fastest Cache" check
|
|||
|
if ($plugin === 'wp-fastest-cache/wpFastestCache.php' && Misc::isPluginActive($plugin)) {
|
|||
|
$wpfcOptionsJson = get_option('WpFastestCache');
|
|||
|
$wpfcOptions = @json_decode($wpfcOptionsJson, ARRAY_A);
|
|||
|
|
|||
|
if (isset($wpfcOptions['wpFastestCacheMinifyJs']) || isset($wpfcOptions['wpFastestCacheCombineJs'])) {
|
|||
|
$jsOptimizeEnabledIn[] = $pluginTitle;
|
|||
|
|
|||
|
if ($returnType === 'if_enabled') { return true; }
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
// "W3 Total Cache" check
|
|||
|
if ($plugin === 'w3-total-cache/w3-total-cache.php' && Misc::isPluginActive($plugin)) {
|
|||
|
$w3tcConfigMaster = Misc::getW3tcMasterConfig();
|
|||
|
$w3tcEnableJs = (int)trim(Misc::extractBetween($w3tcConfigMaster, '"minify.js.enable":', ','), '" ');
|
|||
|
|
|||
|
if ($w3tcEnableJs === 1) {
|
|||
|
$jsOptimizeEnabledIn[] = $pluginTitle;
|
|||
|
|
|||
|
if ($returnType === 'if_enabled') { return true; }
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
// "SG Optimizer" check
|
|||
|
if ($plugin === 'sg-cachepress/sg-cachepress.php' && Misc::isPluginActive($plugin)) {
|
|||
|
if (class_exists('\SiteGround_Optimizer\Options\Options') && method_exists('\SiteGround_Optimizer\Options\Options', 'is_enabled')) {
|
|||
|
if (@\SiteGround_Optimizer\Options\Options::is_enabled( 'siteground_optimizer_optimize_javascript')) {
|
|||
|
$jsOptimizeEnabledIn[] = $pluginTitle;
|
|||
|
|
|||
|
if ($returnType === 'if_enabled') { return true; }
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
// "Fast Velocity Minify" check
|
|||
|
if ($plugin === 'fast-velocity-minify/fvm.php' && Misc::isPluginActive($plugin)) {
|
|||
|
// It's enough if it's active due to its configuration
|
|||
|
$jsOptimizeEnabledIn[] = $pluginTitle;
|
|||
|
|
|||
|
if ($returnType === 'if_enabled') { return true; }
|
|||
|
}
|
|||
|
|
|||
|
// "LiteSpeed Cache" check
|
|||
|
if ($plugin === 'litespeed-cache/litespeed-cache.php' && Misc::isPluginActive($plugin) && ($liteSpeedCacheConf = apply_filters('litespeed_cache_get_options', get_option('litespeed-cache-conf')))) {
|
|||
|
if ( (isset($liteSpeedCacheConf['js_minify']) && $liteSpeedCacheConf['js_minify'])
|
|||
|
|| (isset($liteSpeedCacheConf['js_combine']) && $liteSpeedCacheConf['js_combine']) ) {
|
|||
|
$jsOptimizeEnabledIn[] = $pluginTitle;
|
|||
|
|
|||
|
if ($returnType === 'if_enabled') { return true; }
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
// "Swift Performance Lite" check
|
|||
|
if ($plugin === 'swift-performance-lite/performance.php' && Misc::isPluginActive($plugin)
|
|||
|
&& class_exists('Swift_Performance_Lite') && method_exists('Swift_Performance_Lite', 'check_option')) {
|
|||
|
if ( @\Swift_Performance_Lite::check_option('merge-scripts', 1) ) {
|
|||
|
$jsOptimizeEnabledIn[] = $pluginTitle;
|
|||
|
}
|
|||
|
|
|||
|
if ($returnType === 'if_enabled') { return true; }
|
|||
|
}
|
|||
|
|
|||
|
// "Breeze – WordPress Cache Plugin"
|
|||
|
if ($plugin === 'breeze/breeze.php' && Misc::isPluginActive($plugin)) {
|
|||
|
$breezeBasicSettings = get_option('breeze_basic_settings');
|
|||
|
$breezeAdvancedSettings = get_option('breeze_advanced_settings');
|
|||
|
|
|||
|
if (isset($breezeBasicSettings['breeze-minify-js'], $breezeAdvancedSettings['breeze-group-js'])
|
|||
|
&& $breezeBasicSettings['breeze-minify-js'] && $breezeAdvancedSettings['breeze-group-js']) {
|
|||
|
$jsOptimizeEnabledIn[] = $pluginTitle;
|
|||
|
|
|||
|
if ($returnType === 'if_enabled') { return true; }
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
if ($returnType === 'if_enabled') { return false; }
|
|||
|
|
|||
|
return $jsOptimizeEnabledIn;
|
|||
|
}
|
|||
|
|
|||
|
/**
|
|||
|
* @return bool
|
|||
|
*/
|
|||
|
public static function isWorthCheckingForOptimization()
|
|||
|
{
|
|||
|
// At least one of these options have to be enabled
|
|||
|
// Otherwise, we will not perform specific useless actions and save resources
|
|||
|
return MinifyJs::isMinifyJsEnabled() ||
|
|||
|
Main::instance()->settings['cache_dynamic_loaded_js'] ||
|
|||
|
Main::instance()->settings['google_fonts_display'] ||
|
|||
|
Main::instance()->settings['google_fonts_remove'];
|
|||
|
}
|
|||
|
|
|||
|
/**
|
|||
|
* @param $htmlSource
|
|||
|
*
|
|||
|
* @return mixed
|
|||
|
*/
|
|||
|
public static function ignoreDependencyRuleAndKeepChildrenLoaded($htmlSource)
|
|||
|
{
|
|||
|
$ignoreChild = Main::instance()->getIgnoreChildren();
|
|||
|
|
|||
|
if (isset($ignoreChild['scripts']) && ! empty($ignoreChild['scripts'])) {
|
|||
|
foreach (array_keys($ignoreChild['scripts']) as $scriptHandle) {
|
|||
|
if (isset(Main::instance()->wpAllScripts['registered'][$scriptHandle]->src, Main::instance()->ignoreChildren['scripts'][$scriptHandle.'_has_unload_rule']) && ($scriptSrc = Main::instance()->wpAllScripts['registered'][$scriptHandle]->src) && Main::instance()->ignoreChildren['scripts'][$scriptHandle.'_has_unload_rule']) {
|
|||
|
$toReplaceTagList = array();
|
|||
|
|
|||
|
// If the handle has any inline JavaScript associated with it (before or after the tag), make sure it's stripped as well
|
|||
|
if ($translationsContent = self::generateInlineAssocHtmlForHandle($scriptHandle, 'translations')) {
|
|||
|
$toReplaceTagList[] = $translationsContent;
|
|||
|
}
|
|||
|
|
|||
|
if ($cDataContent = self::generateInlineAssocHtmlForHandle($scriptHandle, 'data')) {
|
|||
|
$toReplaceTagList[] = $cDataContent;
|
|||
|
}
|
|||
|
|
|||
|
if ($beforeContent = self::generateInlineAssocHtmlForHandle($scriptHandle, 'before')) {
|
|||
|
$toReplaceTagList[] = $beforeContent;
|
|||
|
}
|
|||
|
|
|||
|
$toReplaceTagList[] = self::getScriptTagFromHandle(array('data-wpacu-script-handle=[\'"]' . $scriptHandle . '[\'"]'), $htmlSource);
|
|||
|
|
|||
|
if ($afterContent = self::generateInlineAssocHtmlForHandle($scriptHandle, 'after')) {
|
|||
|
$toReplaceTagList[] = $afterContent;
|
|||
|
}
|
|||
|
|
|||
|
$htmlSource = str_replace($toReplaceTagList, '', $htmlSource);
|
|||
|
|
|||
|
// Extra, in case the previous replacement didn't go through
|
|||
|
$listWithMatches = array();
|
|||
|
$listWithMatches[] = 'data-wpacu-script-handle=[\'"]'.$scriptHandle.'[\'"]';
|
|||
|
$listWithMatches[] = OptimizeCommon::getSourceRelPath($scriptSrc);
|
|||
|
|
|||
|
$htmlSource = CleanUp::cleanScriptTagFromHtmlSource($listWithMatches, $htmlSource);
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
return $htmlSource;
|
|||
|
}
|
|||
|
|
|||
|
|
|||
|
/**
|
|||
|
* This would fetch the content of the SCRIPT tag (data, before & after)
|
|||
|
*
|
|||
|
* @param $scriptTagOrHandle
|
|||
|
* @param $wpacuRegisteredScripts
|
|||
|
* @param string $from
|
|||
|
* @param string $return ("value": JS Inline Content / "html": JS Inline Content surrounded by tags)
|
|||
|
*
|
|||
|
* @return array
|
|||
|
*/
|
|||
|
public static function getInlineAssociatedWithScriptHandle($scriptTagOrHandle, $wpacuRegisteredScripts, $from = 'tag', $return = 'value')
|
|||
|
{
|
|||
|
if ($from === 'tag') {
|
|||
|
preg_match_all('#data-wpacu-script-handle=([\'])' . '(.*)' . '(\1)#Usmi', $scriptTagOrHandle, $outputMatches);
|
|||
|
$scriptHandle = (isset($outputMatches[2][0]) && $outputMatches[2][0]) ? trim($outputMatches[2][0], '"\'') : '';
|
|||
|
} else { // 'handle'
|
|||
|
$scriptHandle = $scriptTagOrHandle;
|
|||
|
}
|
|||
|
|
|||
|
if ( $return === 'value' && $scriptHandle ) {
|
|||
|
$scriptExtraCdata = $scriptExtraBefore = $scriptExtraAfter = '';
|
|||
|
|
|||
|
if (isset($wpacuRegisteredScripts[$scriptHandle]->extra)) {
|
|||
|
$scriptExtraArray = $wpacuRegisteredScripts[ $scriptHandle ]->extra;
|
|||
|
|
|||
|
if ( isset( $scriptExtraArray['data'] ) && $scriptExtraArray['data'] ) {
|
|||
|
$scriptExtraCdata .= $scriptExtraArray['data'] . "\n";
|
|||
|
}
|
|||
|
|
|||
|
if ( isset( $scriptExtraArray['before'] ) && ! empty( $scriptExtraArray['before'] ) ) {
|
|||
|
foreach ( $scriptExtraArray['before'] as $beforeData ) {
|
|||
|
if ( ! is_bool( $beforeData ) ) {
|
|||
|
$scriptExtraBefore .= $beforeData . "\n";
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
if ( isset( $scriptExtraArray['after'] ) && ! empty( $scriptExtraArray['after'] ) ) {
|
|||
|
foreach ( $scriptExtraArray['after'] as $afterData ) {
|
|||
|
if ( ! is_bool( $afterData ) ) {
|
|||
|
$scriptExtraAfter .= $afterData . "\n";
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
$scriptTranslations = '';
|
|||
|
|
|||
|
if (method_exists('wp_scripts', 'print_translations')) {
|
|||
|
$scriptTranslations = wp_scripts()->print_translations( $scriptHandle, false );
|
|||
|
}
|
|||
|
|
|||
|
return array(
|
|||
|
'translations' => trim($scriptTranslations),
|
|||
|
'data' => trim($scriptExtraCdata),
|
|||
|
'before' => trim($scriptExtraBefore),
|
|||
|
'after' => trim($scriptExtraAfter)
|
|||
|
);
|
|||
|
}
|
|||
|
|
|||
|
if ( $return === 'html' && $scriptHandle ) {
|
|||
|
return array(
|
|||
|
'translations' => self::generateInlineAssocHtmlForHandle($scriptHandle, 'translations'),
|
|||
|
'data' => self::generateInlineAssocHtmlForHandle($scriptHandle, 'data'),
|
|||
|
'before' => self::generateInlineAssocHtmlForHandle($scriptHandle, 'before'),
|
|||
|
'after' => self::generateInlineAssocHtmlForHandle($scriptHandle, 'after')
|
|||
|
);
|
|||
|
}
|
|||
|
|
|||
|
return array('translations' => '', 'data' => '', 'before' => '', 'after' => '');
|
|||
|
}
|
|||
|
|
|||
|
/**
|
|||
|
* @param string $handle
|
|||
|
* @param string $position
|
|||
|
* @param string $inlineScriptContent
|
|||
|
*
|
|||
|
* @return string
|
|||
|
*/
|
|||
|
public static function generateInlineAssocHtmlForHandle($handle, $position, $inlineScriptContent = '')
|
|||
|
{
|
|||
|
global $wp_scripts;
|
|||
|
|
|||
|
$output = '';
|
|||
|
|
|||
|
if ($position === 'translations') {
|
|||
|
$translations = false;
|
|||
|
|
|||
|
if (method_exists('wp_scripts', 'print_translations')) {
|
|||
|
$translations = $wp_scripts->print_translations( $handle, false );
|
|||
|
}
|
|||
|
|
|||
|
if ( $translations ) {
|
|||
|
$output = sprintf( "<script%s id='%s-js-translations'>\n%s\n</script>\n", Misc::getScriptTypeAttribute(), esc_attr( $handle ), $translations );
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
if ( $position === 'data' ) {
|
|||
|
if ( ! $inlineScriptContent ) {
|
|||
|
$inlineScriptContent = $wp_scripts->get_data( $handle, 'data' );
|
|||
|
|
|||
|
if ( ! $inlineScriptContent ) {
|
|||
|
return '';
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
$output .= sprintf("<script%s id='%s-js-extra'>\n", Misc::getScriptTypeAttribute(), esc_attr($handle));
|
|||
|
|
|||
|
// CDATA is not needed for HTML 5.
|
|||
|
if ( Misc::getScriptTypeAttribute() ) {
|
|||
|
$output .= "/* <![CDATA[ */\n";
|
|||
|
}
|
|||
|
|
|||
|
$output .= $inlineScriptContent."\n";
|
|||
|
|
|||
|
if ( Misc::getScriptTypeAttribute() ) {
|
|||
|
$output .= "/* ]]> */\n";
|
|||
|
}
|
|||
|
|
|||
|
$output .= '</script>';
|
|||
|
}
|
|||
|
|
|||
|
if ( $position === 'before' || $position === 'after' ) {
|
|||
|
if ( ! $inlineScriptContent ) {
|
|||
|
if (method_exists($wp_scripts, 'get_inline_script_data')) {
|
|||
|
// WordPress >= 6.3
|
|||
|
$inlineScriptContent = $wp_scripts->get_inline_script_data( $handle, $position );
|
|||
|
} else {
|
|||
|
// WordPress < 6.3
|
|||
|
$inlineScriptContent = $wp_scripts->print_inline_script( $handle, $position, false );
|
|||
|
}
|
|||
|
|
|||
|
if ( ! $inlineScriptContent ) {
|
|||
|
$output = '';
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
if ( $inlineScriptContent ) {
|
|||
|
if (function_exists('wp_get_inline_script_tag')) {
|
|||
|
// WordPress >= 5.7.0
|
|||
|
$id = "{$handle}-js-{$position}";
|
|||
|
$output = wp_get_inline_script_tag( $inlineScriptContent, compact( 'id' ) );
|
|||
|
} else {
|
|||
|
// WordPress < 5.7.0
|
|||
|
$output = sprintf( "<script%s id='%s-js-%s'>\n%s\n</script>\n", Misc::getScriptTypeAttribute(), $handle, $position, $inlineScriptContent );
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
return $output;
|
|||
|
}
|
|||
|
|
|||
|
/**
|
|||
|
* @param $listWithPatterns
|
|||
|
* @param $htmlSource
|
|||
|
*
|
|||
|
* @return string
|
|||
|
*/
|
|||
|
public static function getScriptTagFromHandle($listWithPatterns, $htmlSource)
|
|||
|
{
|
|||
|
if (empty($listWithPatterns)) {
|
|||
|
return '';
|
|||
|
}
|
|||
|
|
|||
|
if (! is_array($listWithPatterns)) {
|
|||
|
$listWithPatterns = array($listWithPatterns);
|
|||
|
}
|
|||
|
|
|||
|
preg_match_all(
|
|||
|
'#<script[^>]*('.implode('|', $listWithPatterns).')[^>].*(>)#Usmi',
|
|||
|
$htmlSource,
|
|||
|
$matchesSourcesFromTags
|
|||
|
);
|
|||
|
|
|||
|
if (empty($matchesSourcesFromTags)) {
|
|||
|
return '';
|
|||
|
}
|
|||
|
|
|||
|
if (isset($matchesSourcesFromTags[0]) && ! empty($matchesSourcesFromTags[0])) {
|
|||
|
foreach ($matchesSourcesFromTags[0] as $matchesFromTag) {
|
|||
|
if (stripos($matchesFromTag, ' src=') !== false && strip_tags($matchesFromTag) === '') {
|
|||
|
return $matchesFromTag.'</script>';
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
return '';
|
|||
|
}
|
|||
|
|
|||
|
}
|