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ðŸ“ ..
ðŸ“„ Base_Page_Settings.php(6.82 KB)
ðŸ“„ BrowserCache_ConfigLabels.php(10.36 KB)
ðŸ“„ BrowserCache_Core.php(3.19 KB)
ðŸ“„ BrowserCache_Environment.php(31.64 KB)
ðŸ“„ BrowserCache_Environment_Apache.php(3.38 KB)
ðŸ“„ BrowserCache_Environment_LiteSpeed.php(8.41 KB)
ðŸ“„ BrowserCache_Environment_Nginx.php(22.25 KB)
ðŸ“„ BrowserCache_Page.php(3.28 KB)
ðŸ“„ BrowserCache_Page_View_QuickReference.php(2.58 KB)
ðŸ“„ BrowserCache_Page_View_SectionSecurity.php(61.6 KB)
ðŸ“„ BrowserCache_Plugin.php(15.11 KB)
ðŸ“„ BrowserCache_Plugin_Admin.php(1.33 KB)
ðŸ“„ Cache.php(4.52 KB)
ðŸ“„ CacheFlush.php(7.88 KB)
ðŸ“„ CacheFlush_Locally.php(12.6 KB)
ðŸ“„ CacheGroups_Plugin_Admin.php(7.98 KB)
ðŸ“„ CacheGroups_Plugin_Admin_View.js(23 KB)
ðŸ“„ CacheGroups_Plugin_Admin_View.php(15.17 KB)
ðŸ“„ Cache_Apc.php(7.75 KB)
ðŸ“„ Cache_Apcu.php(7.77 KB)
ðŸ“„ Cache_Base.php(6.49 KB)
ðŸ“„ Cache_Eaccelerator.php(7.58 KB)
ðŸ“„ Cache_File.php(21.25 KB)
ðŸ“„ Cache_File_Cleaner.php(2.69 KB)
ðŸ“„ Cache_File_Cleaner_Generic.php(4.05 KB)
ðŸ“„ Cache_File_Cleaner_Generic_HardDelete.php(1.05 KB)
ðŸ“„ Cache_File_Generic.php(12.54 KB)
ðŸ“„ Cache_Memcache.php(14.32 KB)
ðŸ“„ Cache_Memcached.php(18.13 KB)
ðŸ“„ Cache_Memcached_Stats.php(3.52 KB)
ðŸ“„ Cache_Nginx_Memcached.php(13.55 KB)
ðŸ“„ Cache_Redis.php(13.31 KB)
ðŸ“„ Cache_Wincache.php(12.72 KB)
ðŸ“„ Cache_Xcache.php(11.55 KB)
ðŸ“„ CdnEngine.php(2.54 KB)
ðŸ“„ CdnEngine_Azure.php(12.65 KB)
ðŸ“„ CdnEngine_Azure_MI.php(12.28 KB)
ðŸ“„ CdnEngine_Azure_MI_Utility.php(18.19 KB)
ðŸ“„ CdnEngine_Base.php(16.37 KB)
ðŸ“„ CdnEngine_CloudFront.php(12.38 KB)
ðŸ“„ CdnEngine_Ftp.php(21.08 KB)
ðŸ“„ CdnEngine_GoogleDrive.php(24.14 KB)
ðŸ“„ CdnEngine_Mirror.php(2.46 KB)
ðŸ“„ CdnEngine_Mirror_Akamai.php(3.52 KB)
ðŸ“„ CdnEngine_Mirror_Att.php(293 B)
ðŸ“„ CdnEngine_Mirror_BunnyCdn.php(4.3 KB)
ðŸ“„ CdnEngine_Mirror_CloudFront.php(10.48 KB)
ðŸ“„ CdnEngine_Mirror_Cotendo.php(3.72 KB)
ðŸ“„ CdnEngine_Mirror_Edgecast.php(4.46 KB)
ðŸ“„ CdnEngine_Mirror_RackSpaceCdn.php(6.57 KB)
ðŸ“„ CdnEngine_RackSpaceCloudFiles.php(12.01 KB)
ðŸ“„ CdnEngine_S3.php(17.55 KB)
ðŸ“„ CdnEngine_S3_Compatible.php(10.36 KB)
ðŸ“„ Cdn_AdminActions.php(16.81 KB)
ðŸ“„ Cdn_AdminNotes.php(13.71 KB)
ðŸ“„ Cdn_BunnyCdn_Api.php(15.67 KB)
ðŸ“„ Cdn_BunnyCdn_Page.php(7.4 KB)
ðŸ“„ Cdn_BunnyCdn_Page_View.js(13.14 KB)
ðŸ“„ Cdn_BunnyCdn_Page_View.php(3.6 KB)
ðŸ“„ Cdn_BunnyCdn_Page_View_Purge_Urls.php(2.06 KB)
ðŸ“„ Cdn_BunnyCdn_Popup.php(10.83 KB)
ðŸ“„ Cdn_BunnyCdn_Popup_View_Configured.php(864 B)
ðŸ“„ Cdn_BunnyCdn_Popup_View_Deauthorize.php(2.15 KB)
ðŸ“„ Cdn_BunnyCdn_Popup_View_Deauthorized.php(1.54 KB)
ðŸ“„ Cdn_BunnyCdn_Popup_View_Intro.php(1.83 KB)
ðŸ“„ Cdn_BunnyCdn_Popup_View_Pull_Zones.php(5.16 KB)
ðŸ“„ Cdn_BunnyCdn_Widget.php(2.25 KB)
ðŸ“„ Cdn_BunnyCdn_Widget_View.css(1.26 KB)
ðŸ“„ Cdn_BunnyCdn_Widget_View_Authorized.php(1.9 KB)
ðŸ“„ Cdn_BunnyCdn_Widget_View_Unauthorized.php(6.1 KB)
ðŸ“„ Cdn_CacheFlush.php(2.64 KB)
ðŸ“„ Cdn_ConfigLabels.php(5.43 KB)
ðŸ“„ Cdn_Core.php(32.83 KB)
ðŸ“„ Cdn_Core_Admin.php(27.08 KB)
ðŸ“„ Cdn_Environment.php(19.29 KB)
ðŸ“„ Cdn_Environment_LiteSpeed.php(5.19 KB)
ðŸ“„ Cdn_Environment_Nginx.php(3.92 KB)
ðŸ“„ Cdn_GeneralPage_View.php(4.05 KB)
ðŸ“„ Cdn_GoogleDrive_AdminActions.php(3.53 KB)
ðŸ“„ Cdn_GoogleDrive_Page.php(2.03 KB)
ðŸ“„ Cdn_GoogleDrive_Page_View.js(6.25 KB)
ðŸ“„ Cdn_GoogleDrive_Page_View.php(1.36 KB)
ðŸ“„ Cdn_GoogleDrive_Popup_AuthReturn.php(1.61 KB)
ðŸ“„ Cdn_GoogleDrive_Popup_AuthReturn_View.php(1.66 KB)
ðŸ“„ Cdn_Page.php(3.5 KB)
ðŸ“„ Cdn_Page_View_Fsd_HeaderActions.php(760 B)
ðŸ“„ Cdn_Plugin.php(43.77 KB)
ðŸ“„ Cdn_Plugin_Admin.php(7.3 KB)
ðŸ“„ Cdn_RackSpaceCdn_AdminActions.php(1.28 KB)
ðŸ“„ Cdn_RackSpaceCdn_Page.php(2.05 KB)
ðŸ“„ Cdn_RackSpaceCdn_Page_View.js(10.06 KB)
ðŸ“„ Cdn_RackSpaceCdn_Page_View.php(5.22 KB)
ðŸ“„ Cdn_RackSpaceCdn_Popup.php(21.49 KB)
ðŸ“„ Cdn_RackSpaceCdn_Popup_View_ConfigureDomains.php(1.87 KB)
ðŸ“„ Cdn_RackSpaceCdn_Popup_View_Intro.php(1.71 KB)
ðŸ“„ Cdn_RackSpaceCdn_Popup_View_Regions.php(1.76 KB)
ðŸ“„ Cdn_RackSpaceCdn_Popup_View_Service_Actualize.php(2.04 KB)
ðŸ“„ Cdn_RackSpaceCdn_Popup_View_Service_Create.php(4.41 KB)
ðŸ“„ Cdn_RackSpaceCdn_Popup_View_Service_Created.php(2.48 KB)
ðŸ“„ Cdn_RackSpaceCdn_Popup_View_Services.php(1.99 KB)
ðŸ“„ Cdn_RackSpaceCloudFiles_Page.php(1.67 KB)
ðŸ“„ Cdn_RackSpaceCloudFiles_Page_View.js(6.44 KB)
ðŸ“„ Cdn_RackSpaceCloudFiles_Page_View.php(4.91 KB)
ðŸ“„ Cdn_RackSpaceCloudFiles_Popup.php(7.62 KB)
ðŸ“„ Cdn_RackSpaceCloudFiles_Popup_View_Containers.php(2.06 KB)
ðŸ“„ Cdn_RackSpaceCloudFiles_Popup_View_Intro.php(1.71 KB)
ðŸ“„ Cdn_RackSpaceCloudFiles_Popup_View_Regions.php(1.78 KB)
ðŸ“„ Cdn_RackSpace_Api_CaCert-example.pem(195.74 KB)
ðŸ“„ Cdn_RackSpace_Api_Cdn.php(10.72 KB)
ðŸ“„ Cdn_RackSpace_Api_CloudFiles.php(8.37 KB)
ðŸ“„ Cdn_RackSpace_Api_CloudFilesCdn.php(8.48 KB)
ðŸ“„ Cdn_RackSpace_Api_Tokens.php(6.78 KB)
ðŸ“„ Cdn_Util.php(6.73 KB)
ðŸ“„ Cdnfsd_BunnyCdn_Engine.php(2.03 KB)
ðŸ“„ Cdnfsd_BunnyCdn_Page.php(683 B)
ðŸ“„ Cdnfsd_BunnyCdn_Page_View.js(9.7 KB)
ðŸ“„ Cdnfsd_BunnyCdn_Page_View.php(3.72 KB)
ðŸ“„ Cdnfsd_BunnyCdn_Popup.php(10.39 KB)
ðŸ“„ Cdnfsd_BunnyCdn_Popup_View_Configured.php(1.3 KB)
ðŸ“„ Cdnfsd_BunnyCdn_Popup_View_Deauthorize.php(2.17 KB)
ðŸ“„ Cdnfsd_BunnyCdn_Popup_View_Deauthorized.php(1.56 KB)
ðŸ“„ Cdnfsd_BunnyCdn_Popup_View_Intro.php(1.85 KB)
ðŸ“„ Cdnfsd_BunnyCdn_Popup_View_Pull_Zones.php(5.57 KB)
ðŸ“„ Cdnfsd_CacheFlush.php(8.25 KB)
ðŸ“„ Cdnfsd_CloudFront_Engine.php(3.38 KB)
ðŸ“„ Cdnfsd_CloudFront_Page.php(741 B)
ðŸ“„ Cdnfsd_CloudFront_Page_View.js(8.51 KB)
ðŸ“„ Cdnfsd_CloudFront_Page_View.php(2.04 KB)
ðŸ“„ Cdnfsd_CloudFront_Popup.php(15.46 KB)
ðŸ“„ Cdnfsd_CloudFront_Popup_View_Distribution.php(3.34 KB)
ðŸ“„ Cdnfsd_CloudFront_Popup_View_Distributions.php(1.72 KB)
ðŸ“„ Cdnfsd_CloudFront_Popup_View_Intro.php(1.65 KB)
ðŸ“„ Cdnfsd_CloudFront_Popup_View_Success.php(976 B)
ðŸ“„ Cdnfsd_Core.php(1.96 KB)
ðŸ“„ Cdnfsd_GeneralPage_View.php(4.02 KB)
ðŸ“„ Cdnfsd_Plugin.php(1.98 KB)
ðŸ“„ Cdnfsd_Plugin_Admin.php(2.63 KB)
ðŸ“„ Cdnfsd_TransparentCDN_Engine.php(7.97 KB)
ðŸ“„ Cdnfsd_TransparentCDN_Page.php(1.36 KB)
ðŸ“„ Cdnfsd_TransparentCDN_Page_View.js(7.13 KB)
ðŸ“„ Cdnfsd_TransparentCDN_Page_View.php(2.33 KB)
ðŸ“„ Cdnfsd_Util.php(834 B)
ðŸ“„ Cli.php(17.33 KB)
ðŸ“„ Config.php(16.8 KB)
ðŸ“„ ConfigCache.php(4.67 KB)
ðŸ“„ ConfigCompiler.php(17.87 KB)
ðŸ“„ ConfigDbStorage.php(15.87 KB)
ðŸ“„ ConfigKeys.php(69.92 KB)
ðŸ“„ ConfigSettingsTabs.php(1.18 KB)
ðŸ“„ ConfigSettingsTabsKeys.php(19.62 KB)
ðŸ“„ ConfigState.php(6.08 KB)
ðŸ“„ ConfigStateNote.php(1.94 KB)
ðŸ“„ ConfigUtil.php(3.45 KB)
ðŸ“„ DbCache_ConfigLabels.php(1.22 KB)
ðŸ“„ DbCache_Core.php(2.05 KB)
ðŸ“„ DbCache_Environment.php(6.41 KB)
ðŸ“„ DbCache_Page.php(1.1 KB)
ðŸ“„ DbCache_Plugin.php(9.62 KB)
ðŸ“„ DbCache_Plugin_Admin.php(5.08 KB)
ðŸ“„ DbCache_Wpdb.php(1.63 KB)
ðŸ“„ DbCache_WpdbBase.php(346 B)
ðŸ“„ DbCache_WpdbInjection.php(7.15 KB)
ðŸ“„ DbCache_WpdbInjection_QueryCaching.php(26.05 KB)
ðŸ“„ DbCache_WpdbLegacy.php(22.42 KB)
ðŸ“„ DbCache_WpdbNew.php(22.24 KB)
ðŸ“„ Dispatcher.php(8.21 KB)
ðŸ“„ Enterprise_CacheFlush_MakeSnsEvent.php(7.47 KB)
ðŸ“„ Enterprise_Dbcache_WpdbInjection_Cluster.php(30.32 KB)
ðŸ“„ Enterprise_SnsBase.php(3.07 KB)
ðŸ“„ Enterprise_SnsServer.php(5.17 KB)
ðŸ“„ Extension_AlwaysCached_AdminActions.php(2.36 KB)
ðŸ“„ Extension_AlwaysCached_Environment.php(2.87 KB)
ðŸ“„ Extension_AlwaysCached_Page.php(4 KB)
ðŸ“„ Extension_AlwaysCached_Page_Queue_View.php(3.14 KB)
ðŸ“„ Extension_AlwaysCached_Page_View.js(13.04 KB)
ðŸ“„ Extension_AlwaysCached_Page_View.php(2.51 KB)
ðŸ“„ Extension_AlwaysCached_Page_View_BoxCron.php(2.92 KB)
ðŸ“„ Extension_AlwaysCached_Page_View_BoxFlushAll.php(3.28 KB)
ðŸ“„ Extension_AlwaysCached_Page_View_BoxQueue.php(4.35 KB)
ðŸ“„ Extension_AlwaysCached_Page_View_Exclusions.php(1.11 KB)
ðŸ“„ Extension_AlwaysCached_Plugin.php(12.1 KB)
ðŸ“„ Extension_AlwaysCached_Plugin_Admin.php(3.06 KB)
ðŸ“„ Extension_AlwaysCached_Queue.php(10.22 KB)
ðŸ“„ Extension_AlwaysCached_Worker.php(2.93 KB)
ðŸ“„ Extension_Amp_Page_View.php(1.26 KB)
ðŸ“„ Extension_Amp_Plugin.php(11.1 KB)
ðŸ“„ Extension_Amp_Plugin_Admin.php(2.19 KB)
ðŸ“„ Extension_CloudFlare_AdminActions.php(1.57 KB)
ðŸ“„ Extension_CloudFlare_Api.php(12.19 KB)
ðŸ“„ Extension_CloudFlare_Cdn_Page_View.php(625 B)
ðŸ“„ Extension_CloudFlare_GeneralPage_View.php(3.05 KB)
ðŸ“„ Extension_CloudFlare_Page.php(4.32 KB)
ðŸ“„ Extension_CloudFlare_Page_View.js(6.93 KB)
ðŸ“„ Extension_CloudFlare_Page_View.php(27.38 KB)
ðŸ“„ Extension_CloudFlare_Plugin.php(15.19 KB)
ðŸ“„ Extension_CloudFlare_Plugin_Admin.php(14.13 KB)
ðŸ“„ Extension_CloudFlare_Popup.php(4.21 KB)
ðŸ“„ Extension_CloudFlare_Popup_View_Intro.php(1.75 KB)
ðŸ“„ Extension_CloudFlare_Popup_View_Zones.php(2.09 KB)
ðŸ“„ Extension_CloudFlare_SettingsForUi.php(4.84 KB)
ðŸ“„ Extension_CloudFlare_View_Dashboard.js(6.49 KB)
ðŸ“„ Extension_CloudFlare_Widget.php(4.63 KB)
ðŸ“„ Extension_CloudFlare_Widget_Logo.png(6.96 KB)
ðŸ“„ Extension_CloudFlare_Widget_View.css(683 B)
ðŸ“„ Extension_CloudFlare_Widget_View.php(1.65 KB)
ðŸ“„ Extension_FragmentCache_Api.php(7.01 KB)
ðŸ“„ Extension_FragmentCache_Core.php(3.38 KB)
ðŸ“„ Extension_FragmentCache_Environment.php(1.41 KB)
ðŸ“„ Extension_FragmentCache_GeneralPage.php(1.27 KB)
ðŸ“„ Extension_FragmentCache_GeneralPage_View.php(2.47 KB)
ðŸ“„ Extension_FragmentCache_Page.php(697 B)
ðŸ“„ Extension_FragmentCache_Page_View.php(5.25 KB)
ðŸ“„ Extension_FragmentCache_Plugin.php(8.21 KB)
ðŸ“„ Extension_FragmentCache_Plugin_Admin.php(8.91 KB)
ðŸ“„ Extension_FragmentCache_WpObjectCache.php(16.92 KB)
ðŸ“„ Extension_Genesis_Page.php(409 B)
ðŸ“„ Extension_Genesis_Page_View.php(11.11 KB)
ðŸ“„ Extension_Genesis_Plugin.php(14.46 KB)
ðŸ“„ Extension_Genesis_Plugin_Admin.php(5.45 KB)
ðŸ“„ Extension_ImageService_Api.php(11.99 KB)
ðŸ“„ Extension_ImageService_Cron.php(6.49 KB)
ðŸ“„ Extension_ImageService_Environment.php(4.6 KB)
ðŸ“„ Extension_ImageService_Page_View.php(8.41 KB)
ðŸ“„ Extension_ImageService_Plugin.php(1.44 KB)
ðŸ“„ Extension_ImageService_Plugin_Admin.css(2.34 KB)
ðŸ“„ Extension_ImageService_Plugin_Admin.js(23.15 KB)
ðŸ“„ Extension_ImageService_Plugin_Admin.php(42.7 KB)
ðŸ“„ Extension_ImageService_Widget.js(11.95 KB)
ðŸ“„ Extension_ImageService_Widget.php(3.34 KB)
ðŸ“„ Extension_ImageService_Widget_View.php(1.59 KB)
ðŸ“„ Extension_NewRelic_AdminActions.php(1.11 KB)
ðŸ“„ Extension_NewRelic_AdminNotes.php(2.11 KB)
ðŸ“„ Extension_NewRelic_Api.php(4.03 KB)
ðŸ“„ Extension_NewRelic_Core.php(1.33 KB)
ðŸ“„ Extension_NewRelic_GeneralPage.php(1.53 KB)
ðŸ“„ Extension_NewRelic_GeneralPage_View.php(2.84 KB)
ðŸ“„ Extension_NewRelic_Page.php(1.35 KB)
ðŸ“„ Extension_NewRelic_Page_View_Apm.php(12.87 KB)
ðŸ“„ Extension_NewRelic_Plugin.php(7.09 KB)
ðŸ“„ Extension_NewRelic_Plugin_Admin.php(8.08 KB)
ðŸ“„ Extension_NewRelic_Popup.php(3.96 KB)
ðŸ“„ Extension_NewRelic_Popup_View.js(7.5 KB)
ðŸ“„ Extension_NewRelic_Popup_View_Intro.php(1.37 KB)
ðŸ“„ Extension_NewRelic_Popup_View_ListApplications.php(1.93 KB)
ðŸ“„ Extension_NewRelic_Service.php(21.65 KB)
ðŸ“„ Extension_NewRelic_Widget.php(10.48 KB)
ðŸ“„ Extension_NewRelic_Widget_View.css(1.37 KB)
ðŸ“„ Extension_NewRelic_Widget_View.js(8.2 KB)
ðŸ“„ Extension_NewRelic_Widget_View_Apm.php(2.91 KB)
ðŸ“„ Extension_NewRelic_Widget_View_Browser.php(436 B)
ðŸ“„ Extension_NewRelic_Widget_View_NotConfigured.php(233 B)
ðŸ“„ Extension_Swarmify_AdminActions.php(793 B)
ðŸ“„ Extension_Swarmify_Core.php(748 B)
ðŸ“„ Extension_Swarmify_Page.php(708 B)
ðŸ“„ Extension_Swarmify_Page_View.php(2.78 KB)
ðŸ“„ Extension_Swarmify_Plugin.php(4.63 KB)
ðŸ“„ Extension_Swarmify_Plugin_Admin.php(2.63 KB)
ðŸ“„ Extension_WordPressSeo_Plugin.php(1.39 KB)
ðŸ“„ Extension_WordPressSeo_Plugin_Admin.php(5.25 KB)
ðŸ“„ Extension_Wpml_Plugin.php(1.34 KB)
ðŸ“„ Extension_Wpml_Plugin_Admin.php(7.45 KB)
ðŸ“„ Extensions_AdminActions.php(943 B)
ðŸ“„ Extensions_Page.php(4.06 KB)
ðŸ“„ Extensions_Plugin_Admin.php(9.66 KB)
ðŸ“„ Extensions_Util.php(4.43 KB)
ðŸ“„ FeatureShowcase_Plugin_Admin.php(29.1 KB)
ðŸ“„ FeatureShowcase_Plugin_Admin_View.php(2.82 KB)
ðŸ“„ Generic_AdminActions_Config.php(6.61 KB)
ðŸ“„ Generic_AdminActions_Default.php(21.84 KB)
ðŸ“„ Generic_AdminActions_Flush.php(10.57 KB)
ðŸ“„ Generic_AdminActions_Test.php(6.15 KB)
ðŸ“„ Generic_AdminNotes.php(13.88 KB)
ðŸ“„ Generic_ConfigLabels.php(2.33 KB)
ðŸ“„ Generic_Environment.php(6.67 KB)
ðŸ“„ Generic_Faq.php(2.27 KB)
ðŸ“„ Generic_GeneralPage_View_ShowEdge.js(6.08 KB)
ðŸ“„ Generic_Page_About.php(503 B)
ðŸ“„ Generic_Page_Dashboard.php(1.66 KB)
ðŸ“„ Generic_Page_Dashboard_View.css(6.34 KB)
ðŸ“„ Generic_Page_General.php(2.88 KB)
ðŸ“„ Generic_Page_Install.php(913 B)
ðŸ“„ Generic_Page_PurgeLog.php(2.81 KB)
ðŸ“„ Generic_Page_PurgeLog_View.php(2.97 KB)
ðŸ“„ Generic_Plugin.php(23.04 KB)
ðŸ“„ Generic_Plugin_Admin.php(48.87 KB)
ðŸ“„ Generic_Plugin_AdminCompatibility.php(3.98 KB)
ðŸ“„ Generic_Plugin_AdminNotices.css(188 B)
ðŸ“„ Generic_Plugin_AdminNotices.js(7.43 KB)
ðŸ“„ Generic_Plugin_AdminNotices.php(12.12 KB)
ðŸ“„ Generic_Plugin_AdminRowActions.php(2.43 KB)
ðŸ“„ Generic_Plugin_Admin_View_Faq.php(1007 B)
ðŸ“„ Generic_Plugin_Survey.php(4.8 KB)
ðŸ“„ Generic_WidgetAccount.php(1.05 KB)
ðŸ“„ Generic_WidgetAccount_View.php(2.1 KB)
ðŸ“„ Generic_WidgetBoldGrid.php(1.97 KB)
ðŸ“„ Generic_WidgetBoldGrid_AdminActions.php(912 B)
ðŸ“„ Generic_WidgetBoldGrid_Logo.svg(4.28 KB)
ðŸ“„ Generic_WidgetBoldGrid_View.js(6.39 KB)
ðŸ“„ Generic_WidgetBoldGrid_View.php(872 B)
ðŸ“„ Generic_WidgetPartners.php(1.08 KB)
ðŸ“„ Generic_WidgetPartners_View.php(1.66 KB)
ðŸ“„ Generic_WidgetServices.php(1.66 KB)
ðŸ“„ Generic_WidgetServices_View.php(501 B)
ðŸ“„ Generic_WidgetSettings.php(1.05 KB)
ðŸ“„ Generic_WidgetSettings_View.php(3.37 KB)
ðŸ“„ Generic_WidgetSpreadTheWord.js(6.64 KB)
ðŸ“„ Generic_WidgetSpreadTheWord_Plugin.php(2.03 KB)
ðŸ“„ Generic_WidgetSpreadTheWord_View.php(579 B)
ðŸ“„ Generic_WidgetStats.js(9.08 KB)
ðŸ“„ Generic_WidgetStats.php(4.84 KB)
ðŸ“„ LICENSE(17.67 KB)
ðŸ“„ Licensing_AdminActions.php(4.22 KB)
ðŸ“„ Licensing_Core.php(6.28 KB)
ðŸ“„ Licensing_Plugin_Admin.php(16.65 KB)
ðŸ“„ Minify_AutoCss.php(8.83 KB)
ðŸ“„ Minify_AutoJs.php(9.68 KB)
ðŸ“„ Minify_ConfigLabels.php(8.66 KB)
ðŸ“„ Minify_ContentMinifier.php(10.24 KB)
ðŸ“„ Minify_Core.php(7.42 KB)
ðŸ“„ Minify_Environment.php(26.91 KB)
ðŸ“„ Minify_Environment_LiteSpeed.php(977 B)
ðŸ“„ Minify_Extract.php(2.8 KB)
ðŸ“„ Minify_GeneralPage_View_ShowHelp.js(6.9 KB)
ðŸ“„ Minify_GeneralPage_View_ShowHelpForce.js(5.83 KB)
ðŸ“„ Minify_HelpPopup_View.php(5.01 KB)
ðŸ“„ Minify_MinifiedFileRequestHandler.php(32.87 KB)
ðŸ“„ Minify_Page.php(18.45 KB)
ðŸ“„ Minify_Plugin.php(41.75 KB)
ðŸ“„ Minify_Plugin_Admin.php(11.97 KB)
ðŸ“„ Mobile_Base.php(6.85 KB)
ðŸ“„ Mobile_Redirect.php(1.85 KB)
ðŸ“„ Mobile_Referrer.php(2.4 KB)
ðŸ“„ Mobile_UserAgent.php(971 B)
ðŸ“„ ModuleStatus.php(4.37 KB)
ðŸ“„ ObjectCache_ConfigLabels.php(1.25 KB)
ðŸ“„ ObjectCache_DiskPopup.js(8.18 KB)
ðŸ“„ ObjectCache_DiskPopup_View.php(1.77 KB)
ðŸ“„ ObjectCache_Environment.php(6.79 KB)
ðŸ“„ ObjectCache_Page.php(560 B)
ðŸ“„ ObjectCache_Page_View_PurgeLog.php(1.01 KB)
ðŸ“„ ObjectCache_Plugin.php(6.54 KB)
ðŸ“„ ObjectCache_Plugin_Admin.php(6.97 KB)
ðŸ“„ ObjectCache_WpObjectCache.php(10.17 KB)
ðŸ“„ ObjectCache_WpObjectCache_Regular.php(34.11 KB)
ðŸ“„ PageSpeed_Api.php(12.16 KB)
ðŸ“„ PageSpeed_Data.php(37.19 KB)
ðŸ“„ PageSpeed_Instructions.php(43.29 KB)
ðŸ“„ PageSpeed_Page.php(8.76 KB)
ðŸ“„ PageSpeed_Page_View.css(6.21 KB)
ðŸ“„ PageSpeed_Page_View.js(15.26 KB)
ðŸ“„ PageSpeed_Page_View.php(2.08 KB)
ðŸ“„ PageSpeed_Page_View_FromAPI.php(7.65 KB)
ðŸ“„ PageSpeed_Widget.php(7.03 KB)
ðŸ“„ PageSpeed_Widget_View.css(2.62 KB)
ðŸ“„ PageSpeed_Widget_View.js(7.86 KB)
ðŸ“„ PageSpeed_Widget_View.php(1.09 KB)
ðŸ“„ PageSpeed_Widget_View_FromApi.php(3.71 KB)
ðŸ“„ PgCache_ConfigLabels.php(5.82 KB)
ðŸ“„ PgCache_ContentGrabber.php(70.95 KB)
ðŸ“„ PgCache_Environment.php(51.72 KB)
ðŸ“„ PgCache_Flush.php(16.32 KB)
ðŸ“„ PgCache_Page.php(1.6 KB)
ðŸ“„ PgCache_Page_View.js(6.32 KB)
ðŸ“„ PgCache_Plugin.php(14.22 KB)
ðŸ“„ PgCache_Plugin_Admin.php(14.49 KB)
ðŸ“„ PgCache_QsExempts.php(1.88 KB)
ðŸ“„ Root_AdminActions.php(3.05 KB)
ðŸ“„ Root_AdminActivation.php(6.52 KB)
ðŸ“„ Root_AdminMenu.php(8.37 KB)
ðŸ“„ Root_Environment.php(7.81 KB)
ðŸ“„ Root_Loader.php(6.94 KB)
ðŸ“„ SetupGuide_Plugin_Admin.php(48.8 KB)
ðŸ“„ Support_AdminActions.php(6.14 KB)
ðŸ“„ Support_Page.php(3.08 KB)
ðŸ“„ Support_Page_View_DoneContent.php(353 B)
ðŸ“„ Support_Page_View_PageContent.php(1.39 KB)
ðŸ“„ SystemOpCache_AdminActions.php(1.18 KB)
ðŸ“„ SystemOpCache_Core.php(2.48 KB)
ðŸ“„ SystemOpCache_GeneralPage_View.php(2.27 KB)
ðŸ“„ SystemOpCache_Plugin_Admin.php(3.3 KB)
ðŸ“„ UsageStatistics_AdminActions.php(1.14 KB)
ðŸ“„ UsageStatistics_Core.php(3.39 KB)
ðŸ“„ UsageStatistics_GeneralPage.php(1.6 KB)
ðŸ“„ UsageStatistics_GeneralPage_View.php(6.18 KB)
ðŸ“„ UsageStatistics_Page.php(8.4 KB)
ðŸ“„ UsageStatistics_Page_DbRequests_View.php(1.79 KB)
ðŸ“„ UsageStatistics_Page_ObjectCacheLog_View.php(1.97 KB)
ðŸ“„ UsageStatistics_Page_PageCacheRequests_View.php(1.86 KB)
ðŸ“„ UsageStatistics_Page_View.css(1.68 KB)
ðŸ“„ UsageStatistics_Page_View.js(23.2 KB)
ðŸ“„ UsageStatistics_Page_View.php(17.13 KB)
ðŸ“„ UsageStatistics_Page_View_Ad.php(688 B)
ðŸ“„ UsageStatistics_Page_View_Disabled.php(610 B)
ðŸ“„ UsageStatistics_Page_View_Free.php(635 B)
ðŸ“„ UsageStatistics_Page_View_NoDebugMode.php(615 B)
ðŸ“„ UsageStatistics_Plugin.php(2.89 KB)
ðŸ“„ UsageStatistics_Plugin_Admin.php(5.65 KB)
ðŸ“„ UsageStatistics_Source_AccessLog.php(17.47 KB)
ðŸ“„ UsageStatistics_Source_DbQueriesLog.php(6.04 KB)
ðŸ“„ UsageStatistics_Source_ObjectCacheLog.php(5.57 KB)
ðŸ“„ UsageStatistics_Source_PageCacheLog.php(6.11 KB)
ðŸ“„ UsageStatistics_Source_Wpdb.php(3.49 KB)
ðŸ“„ UsageStatistics_Sources.php(5.41 KB)
ðŸ“„ UsageStatistics_Sources_Apc.php(3.39 KB)
ðŸ“„ UsageStatistics_Sources_Memcached.php(4.58 KB)
ðŸ“„ UsageStatistics_Sources_Redis.php(4.69 KB)
ðŸ“„ UsageStatistics_StorageReader.php(2.81 KB)
ðŸ“„ UsageStatistics_StorageWriter.php(14.38 KB)
ðŸ“„ UserExperience_DeferScripts_Extension.php(7.04 KB)
ðŸ“„ UserExperience_DeferScripts_Mutator.php(2.78 KB)
ðŸ“„ UserExperience_DeferScripts_Page_View.php(3.91 KB)
ðŸ“„ UserExperience_DeferScripts_Script.js(6.14 KB)
ðŸ“„ UserExperience_Emoji_Extension.php(3.04 KB)
ðŸ“„ UserExperience_GeneralPage.php(1.72 KB)
ðŸ“„ UserExperience_GeneralPage_View.php(8.21 KB)
ðŸ“„ UserExperience_LazyLoad_GoogleMaps_GoogleMapsEasy.php(3.89 KB)
ðŸ“„ UserExperience_LazyLoad_GoogleMaps_WPGoogleMapPlugin.php(2.14 KB)
ðŸ“„ UserExperience_LazyLoad_GoogleMaps_WPGoogleMaps.php(3.94 KB)
ðŸ“„ UserExperience_LazyLoad_Mutator.php(9.18 KB)
ðŸ“„ UserExperience_LazyLoad_Mutator_Picture.php(2.52 KB)
ðŸ“„ UserExperience_LazyLoad_Mutator_Unmutable.php(2.88 KB)
ðŸ“„ UserExperience_LazyLoad_Page_View.php(6.46 KB)
ðŸ“„ UserExperience_LazyLoad_Plugin.php(9.17 KB)
ðŸ“„ UserExperience_OEmbed_Extension.php(795 B)
ðŸ“„ UserExperience_Page.php(527 B)
ðŸ“„ UserExperience_Page_View.php(695 B)
ðŸ“„ UserExperience_Plugin_Admin.php(3.49 KB)
ðŸ“„ UserExperience_Plugin_Jquery.php(1.4 KB)
ðŸ“„ UserExperience_Preload_Requests_Extension.php(6.15 KB)
ðŸ“„ UserExperience_Preload_Requests_Page_View.php(8.18 KB)
ðŸ“„ UserExperience_Remove_CssJs_Extension.php(6.79 KB)
ðŸ“„ UserExperience_Remove_CssJs_Mutator.php(4.45 KB)
ðŸ“„ UserExperience_Remove_CssJs_Page_View.js(15.98 KB)
ðŸ“„ UserExperience_Remove_CssJs_Page_View.php(14.59 KB)
ðŸ“„ Util_Activation.php(9.89 KB)
ðŸ“„ Util_Admin.php(25.03 KB)
ðŸ“„ Util_AttachToActions.php(7.65 KB)
ðŸ“„ Util_Bus.php(832 B)
ðŸ“„ Util_ConfigLabel.php(1.57 KB)
ðŸ“„ Util_Content.php(3.03 KB)
ðŸ“„ Util_Debug.php(6.38 KB)
ðŸ“„ Util_DebugPurgeLog_Reader.php(3.36 KB)
ðŸ“„ Util_Environment.php(42.46 KB)
ðŸ“„ Util_Environment_Exception.php(719 B)
ðŸ“„ Util_Environment_Exceptions.php(1.42 KB)
ðŸ“„ Util_File.php(13.11 KB)
ðŸ“„ Util_Http.php(5.87 KB)
ðŸ“„ Util_Installed.php(4.24 KB)
ðŸ“„ Util_Mime.php(2.9 KB)
ðŸ“„ Util_PageSpeed.php(33.92 KB)
ðŸ“„ Util_PageUrls.php(32.57 KB)
ðŸ“„ Util_Request.php(3.52 KB)
ðŸ“„ Util_Rule.php(13.83 KB)
ðŸ“„ Util_Theme.php(3.87 KB)
ðŸ“„ Util_Ui.php(83.11 KB)
ðŸ“„ Util_UsageStatistics.php(13.6 KB)
ðŸ“„ Util_Widget.php(7.88 KB)
ðŸ“„ Util_WpFile.php(16.48 KB)
ðŸ“„ Util_WpFile_FilesystemChmodException.php(1.66 KB)
ðŸ“„ Util_WpFile_FilesystemCopyException.php(1.79 KB)
ðŸ“„ Util_WpFile_FilesystemMkdirException.php(1.14 KB)
ðŸ“„ Util_WpFile_FilesystemModifyException.php(2.35 KB)
ðŸ“„ Util_WpFile_FilesystemOperationException.php(1.29 KB)
ðŸ“„ Util_WpFile_FilesystemRmException.php(1.14 KB)
ðŸ“„ Util_WpFile_FilesystemRmdirException.php(1.19 KB)
ðŸ“„ Util_WpFile_FilesystemWriteException.php(1.57 KB)
ðŸ“„ Util_WpmuBlogmap.php(8.06 KB)
ðŸ“„ Varnish_Flush.php(18.57 KB)
ðŸ“„ Varnish_Plugin.php(3.2 KB)
ðŸ“ extension-example
ðŸ“ inc
ðŸ“„ index.html(0 B)
ðŸ“ ini
ðŸ“ languages
ðŸ“ lib
ðŸ“„ press.txt(45.78 KB)
ðŸ“ pub
ðŸ“„ readme.txt(76.49 KB)
ðŸ“ vendor
ðŸ“„ w3-total-cache-api.php(22.29 KB)
ðŸ“„ w3-total-cache-old-php.php(1.25 KB)
ðŸ“„ w3-total-cache.php(2.83 KB)
ðŸ“ wp-content

Editing: CdnEngine_Base.php

<?php
/**
 * File: CdnEngine_Base.php
 *
 * @package W3TC
 */

namespace W3TC;

/**
 * W3 CDN Base class
 */
define( 'W3TC_CDN_RESULT_HALT', -1 );
define( 'W3TC_CDN_RESULT_ERROR', 0 );
define( 'W3TC_CDN_RESULT_OK', 1 );
define( 'W3TC_CDN_HEADER_NONE', 'none' );
define( 'W3TC_CDN_HEADER_UPLOADABLE', 'uploadable' );
define( 'W3TC_CDN_HEADER_MIRRORING', 'mirroring' );

/**
 * Class CdnEngine_Base
 *
 * phpcs:disable PSR2.Classes.PropertyDeclaration.Underscore
 * phpcs:disable PSR2.Methods.MethodDeclaration.Underscore
 * phpcs:disable WordPress.PHP.NoSilencedErrors.Discouraged
 * phpcs:disable WordPress.WP.AlternativeFunctions
 * phpcs:disable Generic.CodeAnalysis.UnusedFunctionParameter
 */
class CdnEngine_Base {
	/**
	 * Engine configuration
	 *
	 * @var array
	 */
	protected $_config = array();

/**
	 * Gzip extension
	 *
	 * @var string
	 */
	protected $_gzip_extension = '.gzip';

/**
	 * Last error
	 *
	 * @var string
	 */
	protected $_last_error = '';

/**
	 * Constructor method for initializing the CdnEngine_Base object with configuration settings.
	 *
	 * @param array $config Optional. An array of configuration options to override default values.
	 *                      Defaults include 'debug', 'ssl', 'compression', and 'headers'.
	 */
	public function __construct( $config = array() ) {
		$this->_config = array_merge(
			array(
				'debug'       => false,
				'ssl'         => 'auto',
				'compression' => false,
				'headers'     => array(),
			),
			$config
		);
	}

/**
	 * Upload files to the CDN.
	 *
	 * @param array $files         An array of files to upload.
	 * @param array $results       A reference to an array where results will be stored.
	 * @param bool  $force_rewrite Optional. Whether to force a rewrite. Default is false.
	 * @param int   $timeout_time  Optional. The timeout time in seconds. Default is null.
	 *
	 * @return bool False on failure.
	 */
	public function upload( $files, &$results, $force_rewrite = false, $timeout_time = null ) {
		$results = $this->_get_results(
			$files,
			W3TC_CDN_RESULT_HALT,
			'Not implemented.'
		);

return false;
	}

/**
	 * Delete files from the CDN.
	 *
	 * @param array $files   An array of files to delete.
	 * @param array $results A reference to an array where results will be stored.
	 *
	 * @return bool False on failure.
	 */
	public function delete( $files, &$results ) {
		$results = $this->_get_results(
			$files,
			W3TC_CDN_RESULT_HALT,
			'Not implemented.'
		);

return false;
	}

/**
	 * Purge files from the CDN.
	 *
	 * @param array $files   An array of files to purge.
	 * @param array $results A reference to an array where results will be stored.
	 *
	 * @return bool False on failure.
	 */
	public function purge( $files, &$results ) {
		return $this->upload( $files, $results, true );
	}

/**
	 * Purge all files from the CDN.
	 *
	 * @param array $results A reference to an array where results will be stored.
	 *
	 * @return bool False on failure.
	 */
	public function purge_all( &$results ) {
		$results = $this->_get_results(
			array(),
			W3TC_CDN_RESULT_HALT,
			'Not implemented.'
		);

return false;
	}

/**
	 * Test the connection to the CDN.
	 *
	 * @param string $error A reference to a variable where any error message will be stored.
	 *
	 * @return bool True if the test is successful, false otherwise.
	 */
	public function test( &$error ) {
		if ( ! $this->_test_domains( $error ) ) {
			return false;
		}

return true;
	}

/**
	 * Create a container on the CDN.
	 *
	 * @throws \Exception If the method is not implemented.
	 */
	public function create_container() {
		throw new \Exception( \esc_html__( 'Not implemented.', 'w3-total-cache' ) );
	}

/**
	 * Get the appropriate domain for a given path.
	 *
	 * @param string $path Optional. The path to check. Default is an empty string.
	 *
	 * @return string|false The selected domain or false if no domain is found.
	 */
	public function get_domain( $path = '' ) {
		$domains = $this->get_domains();
		$count   = count( $domains );

if ( $count ) {
			switch ( true ) {
				/**
				 * Reserved CSS
				 */
				case ( isset( $domains[0] ) && $this->_is_css( $path ) ):
					$domain = $domains[0];
					break;

/**
				 * Reserved JS after body
				 */
				case ( isset( $domains[2] ) && $this->_is_js_body( $path ) ):
					$domain = $domains[2];
					break;

/**
				 * Reserved JS before /body
				 */
				case ( isset( $domains[3] ) && $this->_is_js_footer( $path ) ):
					$domain = $domains[3];
					break;

/**
				 * Reserved JS in head, moved here due to greedy regex
				 */
				case ( isset( $domains[1] ) && $this->_is_js( $path ) ):
					$domain = $domains[1];
					break;

default:
					if ( ! isset( $domains[0] ) ) {
						$scheme = $this->_get_scheme();
						if ( 'https' === $scheme && ! empty( $domains['https_default'] ) ) {
							return $domains['https_default'];
						} else {
							return isset( $domains['http_default'] ) ? $domains['http_default'] :
								$domains['https_default'];
						}
					} elseif ( $count > 4 ) {
						$domain = $this->_get_domain( array_slice( $domains, 4 ), $path );
					} else {
						$domain = $this->_get_domain( $domains, $path );
					}
			}

/**
			 * Custom host for SSL
			 */
			list( $domain_http, $domain_https ) = array_map( 'trim', explode( ',', $domain . ',' ) );

$scheme = $this->_get_scheme();

switch ( $scheme ) {
				case 'http':
					$domain = $domain_http;
					break;

case 'https':
					$domain = ( $domain_https ? $domain_https : $domain_http );
					break;
			}

return $domain;
		}

return false;
	}

/**
	 * Get all available domains.
	 *
	 * @return array An array of domains.
	 */
	public function get_domains() {
		return array();
	}

/**
	 * Get the domain used for accessing the CDN.
	 *
	 * @return string The domain URL.
	 */
	public function get_via() {
		$domain = $this->get_domain();

if ( $domain ) {
			return $domain;
		}

return 'N/A';
	}

/**
	 * Format a URL for the given path.
	 *
	 * @param string $path The path to format.
	 *
	 * @return string|false The formatted URL or false on failure.
	 */
	public function format_url( $path ) {
		$url = $this->_format_url( $path );

if ( $url && $this->_config['compression'] && ( isset( $_SERVER['HTTP_ACCEPT_ENCODING'] ) ? stristr( sanitize_text_field( wp_unslash( $_SERVER['HTTP_ACCEPT_ENCODING'] ) ), 'gzip' ) !== false : false ) && $this->_may_gzip( $path ) ) {
			$qpos = strpos( $url, '?' );
			if ( false !== $qpos ) {
				$url = substr_replace( $url, $this->_gzip_extension, $qpos, 0 );
			} else {
				$url .= $this->_gzip_extension;
			}
		}

return $url;
	}

/**
	 * Get the URL to prepend to a given path.
	 *
	 * @param string $path The path to prepend the URL to.
	 *
	 * @return string|false The full URL or false if no domain is found.
	 */
	public function get_prepend_path( $path ) {
		$domain = $this->get_domain( $path );

if ( $domain ) {
			$scheme = $this->_get_scheme();
			$url    = sprintf( '%s://%s', $scheme, $domain );

return $url;
		}

return false;
	}

/**
	 * Format a URL for the given path, with the appropriate scheme and domain.
	 *
	 * @param string $path The path to format.
	 *
	 * @return string|false The formatted URL or false if no domain is found.
	 */
	public function _format_url( $path ) {
		$domain = $this->get_domain( $path );

if ( $domain ) {
			$scheme = $this->_get_scheme();
			$url    = sprintf( '%s://%s/%s', $scheme, $domain, $path );

return $url;
		}

return false;
	}

/**
	 * Get results for a set of files.
	 *
	 * @param array  $files  The files for which results are generated.
	 * @param string $result Optional. The result status. Default is W3TC_CDN_RESULT_OK.
	 * @param string $error  Optional. The error message. Default is 'OK'.
	 *
	 * @return array An array of results for each file.
	 */
	public function _get_results( $files, $result = W3TC_CDN_RESULT_OK, $error = 'OK' ) {
		$results = array();

foreach ( $files as $key => $file ) {
			if ( is_array( $file ) ) {
				$local_path  = $file['local_path'];
				$remote_path = $file['remote_path'];
			} else {
				$local_path  = $key;
				$remote_path = $file;
			}

$results[] = $this->_get_result(
				$local_path,
				$remote_path,
				$result,
				$error,
				$file
			);
		}

return $results;
	}

/**
	 * Retrieves the result data for a local and remote file path.
	 *
	 * @param string     $local_path  The local file path.
	 * @param string     $remote_path The remote file path.
	 * @param int        $result      The result status (default is W3TC_CDN_RESULT_OK).
	 * @param string     $error       The error message (default is 'OK').
	 * @param mixed|null $descriptor  Additional descriptor (default is null).
	 *
	 * @return array The result array containing local path, remote path, result, error, and descriptor.
	 */
	public function _get_result( $local_path, $remote_path, $result = W3TC_CDN_RESULT_OK, $error = 'OK', $descriptor = null ) {
		if ( $this->_config['debug'] ) {
			$this->_log( $local_path, $remote_path, $error );
		}

return array(
			'local_path'  => $local_path,
			'remote_path' => $remote_path,
			'result'      => $result,
			'error'       => $error,
			'descriptor'  => $descriptor,
		);
	}

/**
	 * Checks if any of the results contain an error.
	 *
	 * @param array $results The results to check.
	 *
	 * @return bool True if any result is an error, otherwise false.
	 */
	public function _is_error( $results ) {
		foreach ( $results as $result ) {
			if ( W3TC_CDN_RESULT_OK !== $result['result'] ) {
				return true;
			}
		}

return false;
	}

/**
	 * Retrieves the HTTP headers for a given file.
	 *
	 * @param array $file      The file data array containing local path and original URL.
	 * @param array $whitelist Optional whitelist for specific headers (default is empty).
	 *
	 * @return array The HTTP headers for the file.
	 */
	public function get_headers_for_file( $file, $whitelist = array() ) {
		$local_path = $file['local_path'];
		$mime_type  = Util_Mime::get_mime_type( $local_path );

$link = $file['original_url'];

$headers = array(
			'Content-Type'                => $mime_type,
			'Last-Modified'               => Util_Content::http_date( time() ),
			'Access-Control-Allow-Origin' => '*',
			'Link'                        => '<' . $link . '>; rel="canonical"',
		);

$section = Util_Mime::mime_type_to_section( $mime_type );

if ( isset( $this->_config['headers'][ $section ] ) ) {
			$hc = $this->_config['headers'][ $section ];

if ( isset( $whitelist['ETag'] ) && $hc['etag'] ) {
				$headers['ETag'] = '"' . @md5_file( $local_path ) . '"';
			}

if ( $hc['expires'] ) {
				$headers['Expires'] = Util_Content::http_date( time() + $hc['lifetime'] );
				$expires_set        = true;
			}

$headers = array_merge( $headers, $hc['static'] );
		}

return $headers;
	}

/**
	 * Determines whether a file may be compressed using Gzip.
	 *
	 * @param string $file The file path.
	 *
	 * @return bool True if the file may be gzipped, otherwise false.
	 */
	public function _may_gzip( $file ) {
		/**
		 * Remove query string
		 */
		$file = preg_replace( '~\?.*$~', '', $file );

/**
		 * Check by file extension
		 */
		if ( preg_match( '~\.(ico|js|css|xml|xsd|xsl|svg|htm|html|txt)$~i', $file ) ) {
			return true;
		}

return false;
	}

/**
	 * Tests the configured domains for valid hostnames.
	 *
	 * @param string $error A reference to store the error message if any domain is invalid.
	 *
	 * @return bool True if all domains are valid, otherwise false.
	 */
	public function _test_domains( &$error ) {
		$domains = $this->get_domains();

if ( ! count( $domains ) ) {
			$error = 'Empty hostname / CNAME list.';

return false;

}

foreach ( $domains as $domain ) {
			$_domains = array_map( 'trim', explode( ',', $domain ) );

foreach ( $_domains as $_domain ) {
				$matches = null;

if ( preg_match( '~^([a-z0-9\-\.]*)~i', $_domain, $matches ) ) {
					$hostname = $matches[1];
				} else {
					$hostname = $_domain;
				}

if ( empty( $hostname ) ) {
					continue;
				}

if ( gethostbyname( $hostname ) === $hostname ) {
					$error = sprintf( 'Unable to resolve hostname: %s.', $hostname );

return false;
				}
			}
		}

return true;
	}

/**
	 * Checks if a file is a CSS file.
	 *
	 * @param string $path The file path.
	 *
	 * @return bool True if the file is a CSS file, otherwise false.
	 */
	public function _is_css( $path ) {
		return preg_match( '~[a-zA-Z0-9\-_]*(\.include\.[0-9]+)?\.css$~', $path );
	}

/**
	 * Checks if a file is a JavaScript file.
	 *
	 * @param string $path The file path.
	 *
	 * @return bool True if the file is a JavaScript file, otherwise false.
	 */
	public function _is_js( $path ) {
		return preg_match( '~([a-z0-9\-_]+(\.include\.[a-z0-9]+)\.js)$~', $path ) || preg_match( '~[\w\d\-_]+\.js~', $path );
	}

/**
	 * Checks if a file is a JavaScript file that should be included in the body.
	 *
	 * @param string $path The file path.
	 *
	 * @return bool True if the file is a JavaScript file for the body, otherwise false.
	 */
	public function _is_js_body( $path ) {
		return preg_match( '~[a-z0-9\-_]+(\.include-body\.[a-z0-9]+)\.js$~', $path );
	}

/**
	 * Checks if a file is a JavaScript file that should be included in the footer.
	 *
	 * @param string $path The file path.
	 *
	 * @return bool True if the file is a JavaScript file for the footer, otherwise false.
	 */
	public function _is_js_footer( $path ) {
		return preg_match( '~[a-z0-9\-_]+(\.include-footer\.[a-z0-9]+)\.js$~', $path );
	}

/**
	 * Retrieves the domain for a specific file path from a list of domains.
	 *
	 * @param array  $domains The list of domains.
	 * @param string $path    The file path.
	 *
	 * @return string|false The selected domain or false if no domain is found.
	 */
	public function _get_domain( $domains, $path ) {
		$count = count( $domains );
		if ( isset( $domains['http_default'] ) ) {
			--$count;
		}

if ( isset( $domains['https_default'] ) ) {
			--$count;
		}

if ( $count ) {
			/**
			 * Use for equal URLs same host to allow caching by browser
			 */
			$hash   = $this->_get_hash( $path );
			$domain = $domains[ $hash % $count ];

return $domain;
		}

return false;
	}

/**
	 * Generates a hash from a given key.
	 *
	 * @param string $key The key to hash.
	 *
	 * @return int The generated hash value.
	 */
	public function _get_hash( $key ) {
		$hash = abs( crc32( $key ) );

return $hash;
	}

/**
	 * Retrieves the scheme (HTTP or HTTPS) based on the configuration.
	 *
	 * @return string The scheme ('http' or 'https').
	 */
	public function _get_scheme() {
		switch ( $this->_config['ssl'] ) {
			default:
			case 'auto':
				$scheme = ( Util_Environment::is_https() ? 'https' : 'http' );
				break;

case 'enabled':
				$scheme = 'https';
				break;

case 'disabled':
				$scheme = 'http';
				break;

case 'rejected':
				$scheme = 'http';
				break;
		}

return $scheme;
	}

/**
	 * Logs a message with local and remote file paths and an error.
	 *
	 * @param string $local_path  The local file path.
	 * @param string $remote_path The remote file path.
	 * @param string $error       The error message.
	 *
	 * @return int|false The number of bytes written to the log file, or false on failure.
	 */
	public function _log( $local_path, $remote_path, $error ) {
		$data = sprintf( "[%s] [%s => %s] %s\n", gmdate( 'r' ), $local_path, $remote_path, $error );
		$data = strtr( $data, '<>', '..' );

$filename = Util_Debug::log_filename( 'cdn' );

return @file_put_contents( $filename, $data, FILE_APPEND );
	}

/**
	 * Handles errors by saving the error message.
	 *
	 * @param int    $errno   The error number.
	 * @param string $errstr  The error message.
	 *
	 * @return bool Always returns false.
	 */
	public function _error_handler( $errno, $errstr ) {
		$this->_last_error = $errstr;

return false;
	}

/**
	 * Retrieves the last error message.
	 *
	 * @return string The last error message.
	 */
	public function _get_last_error() {
		return $this->_last_error;
	}

/**
	 * Sets a custom error handler.
	 *
	 * phpcs:disable WordPress.PHP.DevelopmentFunctions.error_log_set_error_handler
	 *
	 * @return void
	 */
	public function _set_error_handler() {
		set_error_handler(
			array(
				$this,
				'_error_handler',
			)
		);
	}

/**
	 * Restores the default error handler.
	 *
	 * @return void
	 */
	public function _restore_error_handler() {
		restore_error_handler();
	}

/**
	 * Retrieves the header support status.
	 *
	 * @return string The header support status (W3TC_CDN_HEADER_NONE).
	 */
	public function headers_support() {
		return W3TC_CDN_HEADER_NONE;
	}
}

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