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📁 ..
📄 Base_Page_Settings.php(6.82 KB)
📄 BrowserCache_ConfigLabels.php(10.36 KB)
📄 BrowserCache_Core.php(3.19 KB)
📄 BrowserCache_Environment.php(31.64 KB)
📄 BrowserCache_Environment_Apache.php(3.38 KB)
📄 BrowserCache_Environment_LiteSpeed.php(8.41 KB)
📄 BrowserCache_Environment_Nginx.php(22.25 KB)
📄 BrowserCache_Page.php(3.28 KB)
📄 BrowserCache_Page_View_QuickReference.php(2.58 KB)
📄 BrowserCache_Page_View_SectionSecurity.php(61.6 KB)
📄 BrowserCache_Plugin.php(15.11 KB)
📄 BrowserCache_Plugin_Admin.php(1.33 KB)
📄 Cache.php(4.52 KB)
📄 CacheFlush.php(7.88 KB)
📄 CacheFlush_Locally.php(12.6 KB)
📄 CacheGroups_Plugin_Admin.php(7.98 KB)
📄 CacheGroups_Plugin_Admin_View.js(17.23 KB)
📄 CacheGroups_Plugin_Admin_View.php(15.17 KB)
📄 Cache_Apc.php(7.75 KB)
📄 Cache_Apcu.php(7.77 KB)
📄 Cache_Base.php(6.49 KB)
📄 Cache_Eaccelerator.php(7.58 KB)
📄 Cache_File.php(21.25 KB)
📄 Cache_File_Cleaner.php(2.69 KB)
📄 Cache_File_Cleaner_Generic.php(4.05 KB)
📄 Cache_File_Cleaner_Generic_HardDelete.php(1.05 KB)
📄 Cache_File_Generic.php(12.54 KB)
📄 Cache_Memcache.php(14.32 KB)
📄 Cache_Memcached.php(18.13 KB)
📄 Cache_Memcached_Stats.php(3.52 KB)
📄 Cache_Nginx_Memcached.php(13.55 KB)
📄 Cache_Redis.php(13.31 KB)
📄 Cache_Wincache.php(12.72 KB)
📄 Cache_Xcache.php(11.55 KB)
📄 CdnEngine.php(2.54 KB)
📄 CdnEngine_Azure.php(12.65 KB)
📄 CdnEngine_Azure_MI.php(12.28 KB)
📄 CdnEngine_Azure_MI_Utility.php(18.19 KB)
📄 CdnEngine_Base.php(16.37 KB)
📄 CdnEngine_CloudFront.php(12.38 KB)
📄 CdnEngine_Ftp.php(21.08 KB)
📄 CdnEngine_GoogleDrive.php(24.14 KB)
📄 CdnEngine_Mirror.php(2.46 KB)
📄 CdnEngine_Mirror_Akamai.php(3.52 KB)
📄 CdnEngine_Mirror_Att.php(293 B)
📄 CdnEngine_Mirror_BunnyCdn.php(4.3 KB)
📄 CdnEngine_Mirror_CloudFront.php(10.48 KB)
📄 CdnEngine_Mirror_Cotendo.php(3.72 KB)
📄 CdnEngine_Mirror_Edgecast.php(4.46 KB)
📄 CdnEngine_Mirror_RackSpaceCdn.php(6.57 KB)
📄 CdnEngine_RackSpaceCloudFiles.php(12.01 KB)
📄 CdnEngine_S3.php(17.55 KB)
📄 CdnEngine_S3_Compatible.php(10.36 KB)
📄 Cdn_AdminActions.php(16.81 KB)
📄 Cdn_AdminNotes.php(13.71 KB)
📄 Cdn_BunnyCdn_Api.php(15.67 KB)
📄 Cdn_BunnyCdn_Page.php(7.4 KB)
📄 Cdn_BunnyCdn_Page_View.js(7.36 KB)
📄 Cdn_BunnyCdn_Page_View.php(3.6 KB)
📄 Cdn_BunnyCdn_Page_View_Purge_Urls.php(2.06 KB)
📄 Cdn_BunnyCdn_Popup.php(10.83 KB)
📄 Cdn_BunnyCdn_Popup_View_Configured.php(864 B)
📄 Cdn_BunnyCdn_Popup_View_Deauthorize.php(2.15 KB)
📄 Cdn_BunnyCdn_Popup_View_Deauthorized.php(1.54 KB)
📄 Cdn_BunnyCdn_Popup_View_Intro.php(1.83 KB)
📄 Cdn_BunnyCdn_Popup_View_Pull_Zones.php(5.16 KB)
📄 Cdn_BunnyCdn_Widget.php(2.25 KB)
📄 Cdn_BunnyCdn_Widget_View.css(1.26 KB)
📄 Cdn_BunnyCdn_Widget_View_Authorized.php(1.9 KB)
📄 Cdn_BunnyCdn_Widget_View_Unauthorized.php(6.1 KB)
📄 Cdn_CacheFlush.php(2.64 KB)
📄 Cdn_ConfigLabels.php(5.43 KB)
📄 Cdn_Core.php(32.83 KB)
📄 Cdn_Core_Admin.php(27.08 KB)
📄 Cdn_Environment.php(19.29 KB)
📄 Cdn_Environment_LiteSpeed.php(5.19 KB)
📄 Cdn_Environment_Nginx.php(3.92 KB)
📄 Cdn_GeneralPage_View.php(4.05 KB)
📄 Cdn_GoogleDrive_AdminActions.php(3.53 KB)
📄 Cdn_GoogleDrive_Page.php(2.03 KB)
📄 Cdn_GoogleDrive_Page_View.js(488 B)
📄 Cdn_GoogleDrive_Page_View.php(1.36 KB)
📄 Cdn_GoogleDrive_Popup_AuthReturn.php(1.61 KB)
📄 Cdn_GoogleDrive_Popup_AuthReturn_View.php(1.66 KB)
📄 Cdn_Page.php(3.5 KB)
📄 Cdn_Page_View_Fsd_HeaderActions.php(760 B)
📄 Cdn_Plugin.php(43.77 KB)
📄 Cdn_Plugin_Admin.php(7.3 KB)
📄 Cdn_RackSpaceCdn_AdminActions.php(1.28 KB)
📄 Cdn_RackSpaceCdn_Page.php(2.05 KB)
📄 Cdn_RackSpaceCdn_Page_View.js(4.28 KB)
📄 Cdn_RackSpaceCdn_Page_View.php(5.22 KB)
📄 Cdn_RackSpaceCdn_Popup.php(21.49 KB)
📄 Cdn_RackSpaceCdn_Popup_View_ConfigureDomains.php(1.87 KB)
📄 Cdn_RackSpaceCdn_Popup_View_Intro.php(1.71 KB)
📄 Cdn_RackSpaceCdn_Popup_View_Regions.php(1.76 KB)
📄 Cdn_RackSpaceCdn_Popup_View_Service_Actualize.php(2.04 KB)
📄 Cdn_RackSpaceCdn_Popup_View_Service_Create.php(4.41 KB)
📄 Cdn_RackSpaceCdn_Popup_View_Service_Created.php(2.48 KB)
📄 Cdn_RackSpaceCdn_Popup_View_Services.php(1.99 KB)
📄 Cdn_RackSpaceCloudFiles_Page.php(1.67 KB)
📄 Cdn_RackSpaceCloudFiles_Page_View.js(681 B)
📄 Cdn_RackSpaceCloudFiles_Page_View.php(4.91 KB)
📄 Cdn_RackSpaceCloudFiles_Popup.php(7.62 KB)
📄 Cdn_RackSpaceCloudFiles_Popup_View_Containers.php(2.06 KB)
📄 Cdn_RackSpaceCloudFiles_Popup_View_Intro.php(1.71 KB)
📄 Cdn_RackSpaceCloudFiles_Popup_View_Regions.php(1.78 KB)
📄 Cdn_RackSpace_Api_CaCert-example.pem(195.74 KB)
📄 Cdn_RackSpace_Api_Cdn.php(10.72 KB)
📄 Cdn_RackSpace_Api_CloudFiles.php(8.37 KB)
📄 Cdn_RackSpace_Api_CloudFilesCdn.php(8.48 KB)
📄 Cdn_RackSpace_Api_Tokens.php(6.78 KB)
📄 Cdn_Util.php(6.73 KB)
📄 Cdnfsd_BunnyCdn_Engine.php(2.03 KB)
📄 Cdnfsd_BunnyCdn_Page.php(683 B)
📄 Cdnfsd_BunnyCdn_Page_View.js(3.92 KB)
📄 Cdnfsd_BunnyCdn_Page_View.php(3.72 KB)
📄 Cdnfsd_BunnyCdn_Popup.php(10.39 KB)
📄 Cdnfsd_BunnyCdn_Popup_View_Configured.php(1.3 KB)
📄 Cdnfsd_BunnyCdn_Popup_View_Deauthorize.php(2.17 KB)
📄 Cdnfsd_BunnyCdn_Popup_View_Deauthorized.php(1.56 KB)
📄 Cdnfsd_BunnyCdn_Popup_View_Intro.php(1.85 KB)
📄 Cdnfsd_BunnyCdn_Popup_View_Pull_Zones.php(5.57 KB)
📄 Cdnfsd_CacheFlush.php(8.25 KB)
📄 Cdnfsd_CloudFront_Engine.php(3.38 KB)
📄 Cdnfsd_CloudFront_Page.php(741 B)
📄 Cdnfsd_CloudFront_Page_View.js(2.73 KB)
📄 Cdnfsd_CloudFront_Page_View.php(2.04 KB)
📄 Cdnfsd_CloudFront_Popup.php(15.46 KB)
📄 Cdnfsd_CloudFront_Popup_View_Distribution.php(3.34 KB)
📄 Cdnfsd_CloudFront_Popup_View_Distributions.php(1.72 KB)
📄 Cdnfsd_CloudFront_Popup_View_Intro.php(1.65 KB)
📄 Cdnfsd_CloudFront_Popup_View_Success.php(976 B)
📄 Cdnfsd_Core.php(1.96 KB)
📄 Cdnfsd_GeneralPage_View.php(4.02 KB)
📄 Cdnfsd_Plugin.php(1.98 KB)
📄 Cdnfsd_Plugin_Admin.php(2.63 KB)
📄 Cdnfsd_TransparentCDN_Engine.php(7.97 KB)
📄 Cdnfsd_TransparentCDN_Page.php(1.36 KB)
📄 Cdnfsd_TransparentCDN_Page_View.js(1.36 KB)
📄 Cdnfsd_TransparentCDN_Page_View.php(2.33 KB)
📄 Cdnfsd_Util.php(834 B)
📄 Cli.php(17.33 KB)
📄 Config.php(16.8 KB)
📄 ConfigCache.php(4.67 KB)
📄 ConfigCompiler.php(17.87 KB)
📄 ConfigDbStorage.php(15.87 KB)
📄 ConfigKeys.php(69.92 KB)
📄 ConfigSettingsTabs.php(1.18 KB)
📄 ConfigSettingsTabsKeys.php(19.62 KB)
📄 ConfigState.php(6.08 KB)
📄 ConfigStateNote.php(1.94 KB)
📄 ConfigUtil.php(3.45 KB)
📄 DbCache_ConfigLabels.php(1.22 KB)
📄 DbCache_Core.php(2.05 KB)
📄 DbCache_Environment.php(6.41 KB)
📄 DbCache_Page.php(1.1 KB)
📄 DbCache_Plugin.php(9.62 KB)
📄 DbCache_Plugin_Admin.php(5.08 KB)
📄 DbCache_Wpdb.php(1.63 KB)
📄 DbCache_WpdbBase.php(346 B)
📄 DbCache_WpdbInjection.php(7.15 KB)
📄 DbCache_WpdbInjection_QueryCaching.php(26.05 KB)
📄 DbCache_WpdbLegacy.php(22.42 KB)
📄 DbCache_WpdbNew.php(22.24 KB)
📄 Dispatcher.php(8.21 KB)
📄 Enterprise_CacheFlush_MakeSnsEvent.php(7.47 KB)
📄 Enterprise_Dbcache_WpdbInjection_Cluster.php(30.32 KB)
📄 Enterprise_SnsBase.php(3.07 KB)
📄 Enterprise_SnsServer.php(5.17 KB)
📄 Extension_AlwaysCached_AdminActions.php(2.36 KB)
📄 Extension_AlwaysCached_Environment.php(2.87 KB)
📄 Extension_AlwaysCached_Page.php(4 KB)
📄 Extension_AlwaysCached_Page_Queue_View.php(3.14 KB)
📄 Extension_AlwaysCached_Page_View.js(7.26 KB)
📄 Extension_AlwaysCached_Page_View.php(2.51 KB)
📄 Extension_AlwaysCached_Page_View_BoxCron.php(2.92 KB)
📄 Extension_AlwaysCached_Page_View_BoxFlushAll.php(3.28 KB)
📄 Extension_AlwaysCached_Page_View_BoxQueue.php(4.35 KB)
📄 Extension_AlwaysCached_Page_View_Exclusions.php(1.11 KB)
📄 Extension_AlwaysCached_Plugin.php(12.1 KB)
📄 Extension_AlwaysCached_Plugin_Admin.php(3.06 KB)
📄 Extension_AlwaysCached_Queue.php(10.22 KB)
📄 Extension_AlwaysCached_Worker.php(2.93 KB)
📄 Extension_Amp_Page_View.php(1.26 KB)
📄 Extension_Amp_Plugin.php(11.1 KB)
📄 Extension_Amp_Plugin_Admin.php(2.19 KB)
📄 Extension_CloudFlare_AdminActions.php(1.57 KB)
📄 Extension_CloudFlare_Api.php(12.19 KB)
📄 Extension_CloudFlare_Cdn_Page_View.php(625 B)
📄 Extension_CloudFlare_GeneralPage_View.php(3.05 KB)
📄 Extension_CloudFlare_Page.php(4.32 KB)
📄 Extension_CloudFlare_Page_View.js(1.15 KB)
📄 Extension_CloudFlare_Page_View.php(27.38 KB)
📄 Extension_CloudFlare_Plugin.php(15.19 KB)
📄 Extension_CloudFlare_Plugin_Admin.php(14.13 KB)
📄 Extension_CloudFlare_Popup.php(4.21 KB)
📄 Extension_CloudFlare_Popup_View_Intro.php(1.75 KB)
📄 Extension_CloudFlare_Popup_View_Zones.php(2.09 KB)
📄 Extension_CloudFlare_SettingsForUi.php(4.84 KB)
📄 Extension_CloudFlare_View_Dashboard.js(730 B)
📄 Extension_CloudFlare_Widget.php(4.63 KB)
📄 Extension_CloudFlare_Widget_Logo.png(6.96 KB)
📄 Extension_CloudFlare_Widget_View.css(683 B)
📄 Extension_CloudFlare_Widget_View.php(1.65 KB)
📄 Extension_FragmentCache_Api.php(7.01 KB)
📄 Extension_FragmentCache_Core.php(3.38 KB)
📄 Extension_FragmentCache_Environment.php(1.41 KB)
📄 Extension_FragmentCache_GeneralPage.php(1.27 KB)
📄 Extension_FragmentCache_GeneralPage_View.php(2.47 KB)
📄 Extension_FragmentCache_Page.php(697 B)
📄 Extension_FragmentCache_Page_View.php(5.25 KB)
📄 Extension_FragmentCache_Plugin.php(8.21 KB)
📄 Extension_FragmentCache_Plugin_Admin.php(8.91 KB)
📄 Extension_FragmentCache_WpObjectCache.php(16.92 KB)
📄 Extension_Genesis_Page.php(409 B)
📄 Extension_Genesis_Page_View.php(11.11 KB)
📄 Extension_Genesis_Plugin.php(14.46 KB)
📄 Extension_Genesis_Plugin_Admin.php(5.45 KB)
📄 Extension_ImageService_Api.php(11.99 KB)
📄 Extension_ImageService_Cron.php(6.49 KB)
📄 Extension_ImageService_Environment.php(4.6 KB)
📄 Extension_ImageService_Page_View.php(8.41 KB)
📄 Extension_ImageService_Plugin.php(1.44 KB)
📄 Extension_ImageService_Plugin_Admin.css(2.34 KB)
📄 Extension_ImageService_Plugin_Admin.js(17.37 KB)
📄 Extension_ImageService_Plugin_Admin.php(42.7 KB)
📄 Extension_ImageService_Widget.js(6.17 KB)
📄 Extension_ImageService_Widget.php(3.34 KB)
📄 Extension_ImageService_Widget_View.php(1.59 KB)
📄 Extension_NewRelic_AdminActions.php(1.11 KB)
📄 Extension_NewRelic_AdminNotes.php(2.11 KB)
📄 Extension_NewRelic_Api.php(4.03 KB)
📄 Extension_NewRelic_Core.php(1.33 KB)
📄 Extension_NewRelic_GeneralPage.php(1.53 KB)
📄 Extension_NewRelic_GeneralPage_View.php(2.84 KB)
📄 Extension_NewRelic_Page.php(1.35 KB)
📄 Extension_NewRelic_Page_View_Apm.php(12.87 KB)
📄 Extension_NewRelic_Plugin.php(7.09 KB)
📄 Extension_NewRelic_Plugin_Admin.php(8.08 KB)
📄 Extension_NewRelic_Popup.php(3.96 KB)
📄 Extension_NewRelic_Popup_View.js(1.72 KB)
📄 Extension_NewRelic_Popup_View_Intro.php(1.37 KB)
📄 Extension_NewRelic_Popup_View_ListApplications.php(1.93 KB)
📄 Extension_NewRelic_Service.php(21.65 KB)
📄 Extension_NewRelic_Widget.php(10.48 KB)
📄 Extension_NewRelic_Widget_View.css(1.37 KB)
📄 Extension_NewRelic_Widget_View.js(2.42 KB)
📄 Extension_NewRelic_Widget_View_Apm.php(2.91 KB)
📄 Extension_NewRelic_Widget_View_Browser.php(436 B)
📄 Extension_NewRelic_Widget_View_NotConfigured.php(233 B)
📄 Extension_Swarmify_AdminActions.php(793 B)
📄 Extension_Swarmify_Core.php(748 B)
📄 Extension_Swarmify_Page.php(708 B)
📄 Extension_Swarmify_Page_View.php(2.78 KB)
📄 Extension_Swarmify_Plugin.php(4.63 KB)
📄 Extension_Swarmify_Plugin_Admin.php(2.63 KB)
📄 Extension_WordPressSeo_Plugin.php(1.39 KB)
📄 Extension_WordPressSeo_Plugin_Admin.php(5.25 KB)
📄 Extension_Wpml_Plugin.php(1.34 KB)
📄 Extension_Wpml_Plugin_Admin.php(7.45 KB)
📄 Extensions_AdminActions.php(943 B)
📄 Extensions_Page.php(4.06 KB)
📄 Extensions_Plugin_Admin.php(9.66 KB)
📄 Extensions_Util.php(4.43 KB)
📄 FeatureShowcase_Plugin_Admin.php(29.1 KB)
📄 FeatureShowcase_Plugin_Admin_View.php(2.82 KB)
📄 Generic_AdminActions_Config.php(6.61 KB)
📄 Generic_AdminActions_Default.php(21.84 KB)
📄 Generic_AdminActions_Flush.php(10.57 KB)
📄 Generic_AdminActions_Test.php(6.15 KB)
📄 Generic_AdminNotes.php(13.88 KB)
📄 Generic_ConfigLabels.php(2.33 KB)
📄 Generic_Environment.php(6.67 KB)
📄 Generic_Faq.php(2.27 KB)
📄 Generic_GeneralPage_View_ShowEdge.js(314 B)
📄 Generic_Page_About.php(503 B)
📄 Generic_Page_Dashboard.php(1.66 KB)
📄 Generic_Page_Dashboard_View.css(6.34 KB)
📄 Generic_Page_General.php(2.88 KB)
📄 Generic_Page_Install.php(913 B)
📄 Generic_Page_PurgeLog.php(2.81 KB)
📄 Generic_Page_PurgeLog_View.php(2.97 KB)
📄 Generic_Plugin.php(23.04 KB)
📄 Generic_Plugin_Admin.php(48.87 KB)
📄 Generic_Plugin_AdminCompatibility.php(3.98 KB)
📄 Generic_Plugin_AdminNotices.css(188 B)
📄 Generic_Plugin_AdminNotices.js(1.66 KB)
📄 Generic_Plugin_AdminNotices.php(12.12 KB)
📄 Generic_Plugin_AdminRowActions.php(2.43 KB)
📄 Generic_Plugin_Admin_View_Faq.php(1007 B)
📄 Generic_Plugin_Survey.php(4.8 KB)
📄 Generic_WidgetAccount.php(1.05 KB)
📄 Generic_WidgetAccount_View.php(2.1 KB)
📄 Generic_WidgetBoldGrid.php(1.97 KB)
📄 Generic_WidgetBoldGrid_AdminActions.php(912 B)
📄 Generic_WidgetBoldGrid_Logo.svg(4.28 KB)
📄 Generic_WidgetBoldGrid_View.js(625 B)
📄 Generic_WidgetBoldGrid_View.php(872 B)
📄 Generic_WidgetPartners.php(1.08 KB)
📄 Generic_WidgetPartners_View.php(1.66 KB)
📄 Generic_WidgetServices.php(1.66 KB)
📄 Generic_WidgetServices_View.php(501 B)
📄 Generic_WidgetSettings.php(1.05 KB)
📄 Generic_WidgetSettings_View.php(3.37 KB)
📄 Generic_WidgetSpreadTheWord.js(879 B)
📄 Generic_WidgetSpreadTheWord_Plugin.php(2.03 KB)
📄 Generic_WidgetSpreadTheWord_View.php(579 B)
📄 Generic_WidgetStats.js(3.3 KB)
📄 Generic_WidgetStats.php(4.84 KB)
📄 LICENSE(17.67 KB)
📄 Licensing_AdminActions.php(4.22 KB)
📄 Licensing_Core.php(6.28 KB)
📄 Licensing_Plugin_Admin.php(16.65 KB)
📄 Minify_AutoCss.php(8.83 KB)
📄 Minify_AutoJs.php(9.68 KB)
📄 Minify_ConfigLabels.php(8.66 KB)
📄 Minify_ContentMinifier.php(10.24 KB)
📄 Minify_Core.php(7.42 KB)
📄 Minify_Environment.php(26.91 KB)
📄 Minify_Environment_LiteSpeed.php(977 B)
📄 Minify_Extract.php(2.8 KB)
📄 Minify_GeneralPage_View_ShowHelp.js(1.12 KB)
📄 Minify_GeneralPage_View_ShowHelpForce.js(51 B)
📄 Minify_HelpPopup_View.php(5.01 KB)
📄 Minify_MinifiedFileRequestHandler.php(32.87 KB)
📄 Minify_Page.php(18.45 KB)
📄 Minify_Plugin.php(41.75 KB)
📄 Minify_Plugin_Admin.php(11.97 KB)
📄 Mobile_Base.php(6.85 KB)
📄 Mobile_Redirect.php(1.85 KB)
📄 Mobile_Referrer.php(2.4 KB)
📄 Mobile_UserAgent.php(971 B)
📄 ModuleStatus.php(4.37 KB)
📄 ObjectCache_ConfigLabels.php(1.25 KB)
📄 ObjectCache_DiskPopup.js(2.41 KB)
📄 ObjectCache_DiskPopup_View.php(1.77 KB)
📄 ObjectCache_Environment.php(6.79 KB)
📄 ObjectCache_Page.php(560 B)
📄 ObjectCache_Page_View_PurgeLog.php(1.01 KB)
📄 ObjectCache_Plugin.php(6.54 KB)
📄 ObjectCache_Plugin_Admin.php(6.97 KB)
📄 ObjectCache_WpObjectCache.php(10.17 KB)
📄 ObjectCache_WpObjectCache_Regular.php(34.11 KB)
📄 PageSpeed_Api.php(12.16 KB)
📄 PageSpeed_Data.php(37.19 KB)
📄 PageSpeed_Instructions.php(43.29 KB)
📄 PageSpeed_Page.php(8.76 KB)
📄 PageSpeed_Page_View.css(6.21 KB)
📄 PageSpeed_Page_View.js(9.48 KB)
📄 PageSpeed_Page_View.php(2.08 KB)
📄 PageSpeed_Page_View_FromAPI.php(7.65 KB)
📄 PageSpeed_Widget.php(7.03 KB)
📄 PageSpeed_Widget_View.css(2.62 KB)
📄 PageSpeed_Widget_View.js(2.08 KB)
📄 PageSpeed_Widget_View.php(1.09 KB)
📄 PageSpeed_Widget_View_FromApi.php(3.71 KB)
📄 PgCache_ConfigLabels.php(5.82 KB)
📄 PgCache_ContentGrabber.php(70.95 KB)
📄 PgCache_Environment.php(51.72 KB)
📄 PgCache_Flush.php(16.32 KB)
📄 PgCache_Page.php(1.6 KB)
📄 PgCache_Page_View.js(553 B)
📄 PgCache_Plugin.php(14.22 KB)
📄 PgCache_Plugin_Admin.php(14.49 KB)
📄 PgCache_QsExempts.php(1.88 KB)
📄 Root_AdminActions.php(3.05 KB)
📄 Root_AdminActivation.php(6.52 KB)
📄 Root_AdminMenu.php(8.37 KB)
📄 Root_Environment.php(7.81 KB)
📄 Root_Loader.php(6.94 KB)
📄 SetupGuide_Plugin_Admin.php(48.8 KB)
📄 Support_AdminActions.php(6.14 KB)
📄 Support_Page.php(3.08 KB)
📄 Support_Page_View_DoneContent.php(353 B)
📄 Support_Page_View_PageContent.php(1.39 KB)
📄 SystemOpCache_AdminActions.php(1.18 KB)
📄 SystemOpCache_Core.php(2.48 KB)
📄 SystemOpCache_GeneralPage_View.php(2.27 KB)
📄 SystemOpCache_Plugin_Admin.php(3.3 KB)
📄 UsageStatistics_AdminActions.php(1.14 KB)
📄 UsageStatistics_Core.php(3.39 KB)
📄 UsageStatistics_GeneralPage.php(1.6 KB)
📄 UsageStatistics_GeneralPage_View.php(6.18 KB)
📄 UsageStatistics_Page.php(8.4 KB)
📄 UsageStatistics_Page_DbRequests_View.php(1.79 KB)
📄 UsageStatistics_Page_ObjectCacheLog_View.php(1.97 KB)
📄 UsageStatistics_Page_PageCacheRequests_View.php(1.86 KB)
📄 UsageStatistics_Page_View.css(1.68 KB)
📄 UsageStatistics_Page_View.js(17.42 KB)
📄 UsageStatistics_Page_View.php(17.13 KB)
📄 UsageStatistics_Page_View_Ad.php(688 B)
📄 UsageStatistics_Page_View_Disabled.php(610 B)
📄 UsageStatistics_Page_View_Free.php(635 B)
📄 UsageStatistics_Page_View_NoDebugMode.php(615 B)
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📁 wp-content

Editing: Enterprise_Dbcache_WpdbInjection_Cluster.php

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

namespace W3TC;

/**
 * Class Enterprise_Dbcache_WpdbInjection_Cluster
 *
 * Support of database cluster
 *
 * 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 WordPress.PHP.DontExtract.extract_extract
 * phpcs:disable WordPress.DB.RestrictedFunctions
 */
class Enterprise_Dbcache_WpdbInjection_Cluster extends DbCache_WpdbInjection {
	/**
	 * Whether to check with fsockopen prior to mysqli_connect.
	 *
	 * @var bool
	 */
	public $check_tcp_responsiveness = true;

/**
	 * Minimum number of connections to try before bailing
	 *
	 * @var int
	 */
	public $min_tries = 3;

/**
	 * Whether to use mysqli_connect with persistence
	 *
	 * @var bool
	 */
	public $persistent = false;

/**
	 * Cache of tables-to-dataset mapping if blog_dataset callback defined
	 *
	 * @var array
	 */
	private $_blog_to_dataset = array();

/**
	 * Optional directory of callbacks to determine datasets from queries
	 *
	 * @var array
	 */
	private $_callbacks = array();

/**
	 * The multi-dimensional array of datasets and servers
	 *
	 * @var array
	 */
	private $_cluster_servers = array();

/**
	 * Zone where application runs
	 *
	 * @var array
	 */
	private $_current_zone = array(
		'name'            => 'all',
		'zone_priorities' => array( 'all' ),
	);

/**
	 * Established connections
	 *
	 * @var array
	 */
	private $_connections;

/**
	 * After any SQL_CALC_FOUND_ROWS query, the query "SELECT FOUND_ROWS()"
	 * is sent and the mysql result resource stored here. The next query
	 * for FOUND_ROWS() will retrieve this. We do this to prevent any
	 * intervening queries from making FOUND_ROWS() inaccessible. You may
	 * prevent this by adding "NO_SELECT_FOUND_ROWS" in a comment.
	 *
	 * @var resource
	 */
	private $_last_found_rows_result;

/**
	 * The last table that was queried
	 *
	 * @var string
	 */
	private $_last_table;

/**
	 * Reject reason
	 *
	 * @var string|null
	 */
	private $_reject_reason = null;

/**
	 * Send Reads To Masters. This disables slave connections while true.
	 * Otherwise it is an array of written tables.
	 *
	 * @var array
	 */
	private $_send_reads_to_master = false;

/**
	 * Send all request to master db if user is in administration.
	 *
	 * @var bool
	 */
	public $use_master_in_backend = true;

/**
	 * Which charset to use for connections
	 *
	 * @var string
	 */
	public $charset = null;

/**
	 * Which collate to use for connections
	 *
	 * @var string
	 */
	public $collate = null;

/**
	 * Initializes the database cluster.
	 *
	 * @return void
	 */
	public function initialize() {
		global $wpdb_cluster;
		$wpdb_cluster = $this;

if ( ! isset( $GLOBALS['w3tc_dbcluster_config'] ) && file_exists( WP_CONTENT_DIR . '/db-cluster-config.php' ) ) {
			// The config file resides in WP_CONTENT_DIR.
			require WP_CONTENT_DIR . '/db-cluster-config.php';
		}

if ( isset( $GLOBALS['w3tc_dbcluster_config'] ) ) {
			$this->apply_configuration( $GLOBALS['w3tc_dbcluster_config'] );
		} else {
			$this->_reject_reason = 'w3tc dbcluster configuration not found, using single-server configuration';
			$this->next_injection->initialize();
			return;
		}

if ( WP_DEBUG ) {
			$this->wpdb_mixin->show_errors();
		}

$this->wpdb_mixin->dbh   = null;
		$this->wpdb_mixin->ready = true;

$this->init_charset();
	}

/**
	 * Applies configuration to the database cluster.
	 *
	 * @param array $c {
	 *     Configuration array for the database cluster.
	 *
	 *     @type bool   $persistent               Whether to enable persistent connections.
	 *     @type bool   $check_tcp_responsiveness Whether to check TCP responsiveness.
	 *     @type bool   $use_master_in_backend    Whether to use the master database in the backend.
	 *     @type string $charset                  Database character set.
	 *     @type string $collate                  Database collation.
	 *     @type array  $filters {
	 *         List of filter callbacks to add.
	 *
	 *         @type string $function_to_add Function to add as a filter.
	 *         @type string $tag             Tag for the filter.
	 *     }
	 *     @type array  $databases {
	 *         List of databases to add.
	 *
	 *         @type array $db Database configuration.
	 *     }
	 *     @type array  $zones {
	 *         List of zones to add.
	 *
	 *         @type array $zone Zone configuration, with 'name' assigned as the key.
	 *     }
	 * }
	 *
	 * @return void
	 */
	public function apply_configuration( $c ) {
		if ( isset( $c['persistent'] ) ) {
			$this->persistent = $c['persistent'];
		}

if ( isset( $c['check_tcp_responsiveness'] ) ) {
			$this->persistent = $c['check_tcp_responsiveness'];
		}

if ( isset( $c['use_master_in_backend'] ) ) {
			$this->persistent = $c['use_master_in_backend'];
		}

if ( isset( $c['charset'] ) ) {
			$this->persistent = $c['charset'];
		}

if ( isset( $c['collate'] ) ) {
			$this->persistent = $c['collate'];
		}

if ( isset( $c['filters'] ) && is_array( $c['filters'] ) ) {
			foreach ( $c['filters'] as $filter ) {
				$this->add_callback( $filter['function_to_add'], $filter['tag'] );
			}
		}

if ( isset( $c['databases'] ) && is_array( $c['databases'] ) ) {
			foreach ( $c['databases'] as $key => $db ) {
				$this->add_database( $db );
			}
		}

if ( isset( $c['zones'] ) && is_array( $c['zones'] ) ) {
			foreach ( $c['zones'] as $key => $zone ) {
				$zone['name'] = $key;
				$this->add_zone( $zone );
			}
		}
	}

/**
	 * Initializes the charset and collation settings for the database connection.
	 *
	 * If DB_CHARSET not set uses utf8
	 * If DB_COLLATE not set uses utf8_general_ci if multisite.
	 *
	 * @return void
	 */
	public function init_charset() {
		if ( function_exists( 'is_multisite' ) && is_multisite() ) {
			if ( defined( 'DB_COLLATE' ) && DB_COLLATE ) {
				$this->wpdb_mixin->collate = DB_COLLATE;
			} else {
				$this->wpdb_mixin->collate = 'utf8_general_ci';
			}
		} elseif ( defined( 'DB_COLLATE' ) ) {
			$this->wpdb_mixin->collate = DB_COLLATE;
		}

if ( defined( 'DB_CHARSET' ) ) {
			$this->wpdb_mixin->charset = DB_CHARSET;
		} else {
			$this->wpdb_mixin->charset = 'utf8';
		}
	}

/**
	 * Adds a zone to the database cluster configuration.
	 *
	 * @param array $zone {
	 *     Zone configuration data.
	 *
	 *     @type array $zone_priorities Zone priority settings. Must be defined.
	 * }
	 *
	 * @throws \Exception If the zone priorities key is not defined.
	 *
	 * @return void
	 */
	public function add_zone( $zone ) {
		if ( $this->_is_current_zone( $zone ) ) {
			if ( ! isset( $zone['zone_priorities'] ) || ! is_array( $zone['zone_priorities'] ) ) {
				die( 'zone_priorities key must be defined' );
			}

$this->_current_zone = $zone;
			$this->_run_callbacks( 'current_zone_set', $zone );
		}
	}

/**
	 * Adds a database to the cluster configuration.
	 *
	 * @param array $db {
	 *     Database configuration data.
	 *
	 *     @type string  $dataset  Dataset name. Defaults to 'global'.
	 *     @type bool    $read     Whether the database is for reading. Defaults to true.
	 *     @type bool    $write    Whether the database is for writing. Defaults to true.
	 *     @type string  $zone     Availability zone. Defaults to 'all'.
	 *     @type float   $timeout  Connection timeout. Defaults to 0.2 if not set.
	 *     @type string  $name     Database name. Defaults to the host if not set.
	 *     @type string  $host     Database host.
	 * }
	 *
	 * @return void
	 */
	public function add_database( $db ) {
		$dataset = ( isset( $db['dataset'] ) ? $db['dataset'] : 'global' );
		unset( $db['dataset'] );

$read = ( isset( $db['read'] ) ? $db['read'] : true );
		unset( $db['read'] );

$write = ( isset( $db['write'] ) ? $db['write'] : true );
		unset( $db['write'] );

$zone = ( isset( $db['zone'] ) ? $db['zone'] : 'all' );
		unset( $db['zone'] );

if ( ! isset( $db['timeout'] ) ) {
			$db['timeout'] = 0.2;
		}

if ( ! isset( $db['name'] ) ) {
			$db['name'] = $db['host'];
		}

if ( $read ) {
			$this->_cluster_servers[ $dataset ]['read'][ $zone ][] = $db;
		}

if ( $write ) {
			$this->_cluster_servers[ $dataset ]['write'][ $zone ][] = $db;
		}
	}

/**
	 * Adds a callback to a specified group.
	 *
	 * @param callable $callback The callback function to add.
	 * @param string   $group    The group to associate with the callback. Defaults to 'dataset'.
	 *
	 * @return void
	 */
	public function add_callback( $callback, $group = 'dataset' ) {
		$this->_callbacks[ $group ][] = $callback;
	}

/**
	 * Sends all read operations to master servers.
	 *
	 * @return void
	 */
	public function send_reads_to_masters() {
		$this->_send_reads_to_master = true;
	}

/**
	 * Determines whether to send operations to master servers.
	 *
	 * @return bool True if operations should be sent to masters, otherwise false.
	 */
	public function send_to_masters() {
		return is_admin() && $this->use_master_in_backend;
	}

/**
	 * Establishes a database connection for a query.
	 *
	 * phpcs:disable Squiz.PHP.CommentedOutCode.Found
	 *
	 * @param string $query      The SQL query for which the connection is needed.
	 * @param bool   $use_master Whether to use a master server. Defaults to null.
	 *
	 * @return mixed Database connection resource on success, or false on failure.
	 *
	 * @throws \Exception If unable to connect to the database.
	 */
	public function db_connect( $query = '', $use_master = null ) {
		if ( empty( $this->_cluster_servers ) ) {
			return $this->_db_connect_fallback();
		}

$this->wpdb_mixin->dbh = null;

if ( empty( $query ) ) {
			return false;
		}

$table_from_query        = $this->_get_table_from_query( $query );
		$this->_last_table       = $table_from_query;
		$this->wpdb_mixin->table = $table_from_query;

$this->callback_result = $this->_run_callbacks( 'dataset', $query );
		if ( ! is_null( $this->callback_result ) ) {
			$dataset = $this->callback_result;
		} elseif ( isset( $this->_callbacks['blog_dataset'] ) ) {
			if ( preg_match( '/^' . $this->wpdb_mixin->base_prefix . '(\d+)_/i', $this->wpdb_mixin->table, $matches ) ) {
				$blog_id = $matches[1];

if ( isset( $this->_blog_to_dataset[ $blog_id ] ) ) {
					$dataset = $this->_blog_to_dataset[ $blog_id ];
				} else {
					$this->callback_result = $this->_run_callbacks( 'blog_dataset', $blog_id );
					if ( ! is_null( $this->callback_result ) ) {
						$dataset                            = $this->callback_result;
						$this->_blog_to_dataset[ $blog_id ] = $dataset;
					}
				}
			}
		}

$dataset       = ( isset( $dataset ) ? $dataset : 'global' );
		$this->dataset = $dataset;

// Determine whether the query must be sent to the master (a writable server).
		if ( is_null( $use_master ) ) {
			if ( $this->_send_reads_to_master || $this->send_to_masters() ) {
				$use_master = true;
			} elseif ( defined( 'DONOTBCLUSTER' ) && DONOTBCLUSTER ) {
				$use_master = true;
			} elseif ( $this->_is_write_query( $query ) ) {
				$use_master = true;
			} else {
				$use_master = false;
			}
		}

if ( $use_master ) {
			$this->dbhname = $dataset . '__w';
			$operation     = 'write';
		} else {
			$this->dbhname = $dataset . '__r';
			$operation     = 'read';
		}

// Try to reuse an existing connection.
		$dbh = $this->_db_connect_reuse_connection();
		if ( is_object( $dbh ) ) {
			$this->wpdb_mixin->dbh = $dbh;
			return $dbh;
		}

if ( empty( $this->_cluster_servers[ $dataset ][ $operation ] ) ) {
			return $this->wpdb_mixin->bail( "No databases available for dataset $dataset operation $operation" );
		}

// Make a list of at least $this->min_tries connections to try, repeating as necessary.
		$servers      = array();
		$server_count = 0;
		$retry_count  = 0;
		do {
			foreach ( $this->_current_zone['zone_priorities'] as $zone ) {
				if ( isset( $this->_cluster_servers[ $dataset ][ $operation ][ $zone ] ) ) {
					$zone_servers = $this->_cluster_servers[ $dataset ][ $operation ][ $zone ];

if ( is_array( $zone_servers ) ) {
						$indexes = array_keys( $zone_servers );
						shuffle( $indexes );
						foreach ( $indexes as $index ) {
							$servers[] = compact( 'zone', 'index' );
						}
					}
				}
			}

$server_count = count( $servers );

// Increment the retry count and check if we've exceeded the maximum retries.
			++$retry_count;
		} while ( $server_count < $this->min_tries && $retry_count < 3 );

// Connect to a database server.
		$success = false;
		$errno   = 0;
		$dbhname = $this->dbhname;

foreach ( $servers as $zone_index ) {
			// $zone, $index.
			extract( $zone_index, EXTR_OVERWRITE );

// $host, $user, $password, $name, $read, $write, $timeout
			extract( $this->_cluster_servers[ $dataset ][ $operation ][ $zone ][ $index ], EXTR_OVERWRITE );

// Split host:port into $host and $port.
			list( $host, $port ) = Util_Content::endpoint_to_host_port( $host, 3306 );

$this->wpdb_mixin->timer_start();

// Connect if necessary or possible.
			$tcp_responded = null;
			if ( $this->check_tcp_responsiveness ) {
				$tcp_responded = $this->_check_tcp_responsiveness( $host, $port, $timeout );
			}

$dbh = null;
			if ( is_null( $tcp_responded ) || $tcp_responded ) {
				$dbh = mysqli_init();

$socket       = null;
				$client_flags = defined( 'MYSQL_CLIENT_FLAGS' ) ? MYSQL_CLIENT_FLAGS : 0;

if ( WP_DEBUG ) {
					mysqli_real_connect( $dbh, $host, $user, $password, null, $port, $socket, $client_flags );
				} else {
					@mysqli_real_connect( $dbh, $host, $user, $password, null, $port, $socket, $client_flags );
				}
			}

$elapsed = $this->wpdb_mixin->timer_stop();

if ( ! is_null( $dbh ) ) {
				if ( $dbh->connect_errno ) {
					$errno = $dbh->connect_errno;
				} elseif ( mysqli_select_db( $dbh, $name ) ) {
					$this->_connections[ $dbhname ] = array(
						'dbh'           => $dbh,
						'database_name' => $name,
					);

$success = true;
					break;
				}
			}
		}

if ( ! $success ) {
			if ( ! $use_master ) {
				return $this->db_connect( $query, true );
			}

return $this->wpdb_mixin->bail( "Unable to connect to $host:$port to $operation table '{$this->wpdb_mixin->table}' ($dataset) with $errno" );
		}

$dbh                   = $this->_connections[ $dbhname ]['dbh'];
		$this->wpdb_mixin->dbh = $dbh; // needed by $wpdb->_real_escape().
		$this->set_charset( $dbh, $this->charset, $this->collate );
		$this->set_sql_mode();

return $dbh;
	}

/**
	 * Checks if a given zone is the current zone.
	 *
	 * @param array $zone {
	 *     Zone configuration data.
	 *
	 *     @type string   $SERVER_NAME  (Obsolete) Specific server name to match.
	 *     @type string[] $server_names List of server names to match. Supports wildcard '*'.
	 * }
	 *
	 * @return bool True if the zone matches the current zone, otherwise false.
	 */
	public function _is_current_zone( $zone ) {
		$server_name = isset( $_SERVER['SERVER_NAME'] ) ? sanitize_text_field( wp_unslash( $_SERVER['SERVER_NAME'] ) ) : '';
		// obsolete.
		if ( isset( $zone['SERVER_NAME'] ) ) {
			if ( $server_name === $zone['SERVER_NAME'] ) {
				return true;
			}
		}

if ( isset( $zone['server_names'] ) ) {
			if ( ! is_array( $zone['server_names'] ) ) {
				die( 'server_names must be defined as array' );
			}
			foreach ( $zone['server_names'] as $zone_server_name ) {
				if ( '*' === $zone_server_name ) {
					return true;
				}
				if ( $server_name === $zone_server_name ) {
					return true;
				}
			}
		}

return false;
	}

/**
	 * Reuses an existing database connection if available.
	 *
	 * @return mixed Database connection resource on success, or null if no reusable connection is found.
	 */
	public function _db_connect_reuse_connection() {
		$dbhname = $this->dbhname;

if ( ! isset( $this->_connections[ $dbhname ] ) ) {
			return null;
		}

$connection = & $this->_connections[ $dbhname ];
		$dbh        = $connection['dbh'];

if ( ! is_object( $dbh ) ) {
			return null;
		}

if ( ! mysqli_ping( $dbh ) ) {
			// disconnect (ping failed).
			$this->_disconnect( $dbhname );
			return null;
		}

return $dbh;
	}

/**
	 * Sets the character set and collation for a database connection.
	 *
	 * @param mysqli $dbh     The database connection handle.
	 * @param string $charset Optional. The character set to use. Defaults to null.
	 * @param string $collate Optional. The collation to use. Defaults to null.
	 *
	 * @return void
	 */
	public function set_charset( $dbh, $charset = null, $collate = null ) {
		if ( ! isset( $charset ) ) {
			$charset = $this->wpdb_mixin->charset;
		}

if ( ! isset( $collate ) ) {
			$collate = $this->wpdb_mixin->collate;
		}

if ( $this->has_cap( 'collation', $dbh ) && ! empty( $charset ) ) {
			if ( function_exists( 'mysqli_set_charset' ) && $this->has_cap( 'set_charset', $dbh ) ) {
				mysqli_set_charset( $dbh, $charset );
				$this->wpdb_mixin->real_escape = true;
			} else {
				$query = $this->wpdb_mixin->prepare( 'SET NAMES %s', $charset );
				if ( ! empty( $collate ) ) {
					$query .= $this->wpdb_mixin->prepare( ' COLLATE %s', $collate );
				}

mysqli_query( $dbh, $query );
			}
		}
	}

/**
	 * Flushes the database cache and resets relevant properties.
	 *
	 * @return void
	 */
	public function flush() {
		$this->wpdb_mixin->last_error = '';
		$this->num_rows               = 0;
		$this->next_injection->flush();
	}

/**
	 * Executes a database query and handles various query types.
	 *
	 * @param string $query The SQL query to execute.
	 *
	 * @return mixed Number of rows affected, number of rows selected, or false on failure.
	 */
	public function query( $query ) {
		// some queries are made before the plugins have been loaded, and thus cannot be filtered with this method.
		if ( function_exists( 'apply_filters' ) ) {
			$query = apply_filters( 'query', $query );
		}

$this->flush();

// Log how the function was called.
		$this->wpdb_mixin->func_call = "\$db->query(\"$query\")";

// Keep track of the last query for debug.
		$this->wpdb_mixin->last_query = $query;

if ( preg_match( '/^\s*SELECT\s+FOUND_ROWS(\s*)/i', $query ) && is_object( $this->wpdb_mixin->_last_found_rows_result ) ) {
			$this->wpdb_mixin->result = $this->wpdb_mixin->_last_found_rows_result;
			$elapsed                  = 0;
		} else {
			$this->db_connect( $query );
			if ( ! is_object( $this->wpdb_mixin->dbh ) ) {
				return false;
			}

$this->wpdb_mixin->timer_start();
			$this->wpdb_mixin->result = mysqli_query( $this->wpdb_mixin->dbh, $query );
			$elapsed                  = $this->wpdb_mixin->timer_stop();
			++$this->wpdb_mixin->num_queries;

if ( preg_match( '/^\s*SELECT\s+SQL_CALC_FOUND_ROWS\s/i', $query ) ) {
				if ( false === strpos( $query, 'NO_SELECT_FOUND_ROWS' ) ) {
					$this->wpdb_mixin->timer_start();
					$this->wpdb_mixin->_last_found_rows_result = mysqli_query( $this->wpdb_mixin->dbh, 'SELECT FOUND_ROWS()' );
					$elapsed                                  += $this->wpdb_mixin->timer_stop();
					++$this->wpdb_mixin->num_queries;
					$query .= '; SELECT FOUND_ROWS()';
				}
			} else {
				$this->wpdb_mixin->_last_found_rows_result = null;
			}
		}

if ( function_exists( 'apply_filters' ) ) {
			apply_filters( 'after_query', $query );
		}

// If there is an error then take note of it.
		$this->wpdb_mixin->last_error = mysqli_error( $this->wpdb_mixin->dbh );
		if ( $this->wpdb_mixin->last_error ) {
			$this->wpdb_mixin->print_error( $this->wpdb_mixin->last_error );
			return false;
		}

if ( preg_match( '/^\\s*(insert|delete|update|replace|alter) /i', $query ) ) {
			$this->wpdb_mixin->rows_affected = mysqli_affected_rows( $this->wpdb_mixin->dbh );

// Take note of the insert_id.
			if ( preg_match( '/^\\s*(insert|replace) /i', $query ) ) {
				$this->wpdb_mixin->insert_id = mysqli_insert_id( $this->wpdb_mixin->dbh );
			}

// Return number of rows affected.
			return $this->wpdb_mixin->rows_affected;
		} else {
			$i                          = 0;
			$this->wpdb_mixin->col_info = array();
			$col_info                   = array();

if ( is_a( $this->wpdb_mixin->result, 'mysqli_result' ) ) {
				while ( $i < @mysqli_num_fields( $this->wpdb_mixin->result ) ) {
					$col_info[ $i ] = @mysqli_fetch_field( $this->wpdb_mixin->result );
					++$i;
				}
			}

$this->wpdb_mixin->col_info    = $col_info;
			$num_rows                      = 0;
			$this->wpdb_mixin->last_result = array();

do {
				$row = @mysqli_fetch_object( $this->wpdb_mixin->result );
				if ( $row ) {
					$this->wpdb_mixin->last_result[ $num_rows ] = $row;
					++$num_rows;
				}
			} while ( $row );

// Log number of rows the query returned.
			$this->num_rows = $num_rows;

// Return number of rows selected.
			return $num_rows;
		}
	}

/**
	 * Escapes a string for safe insertion into the database.
	 *
	 * @param mixed $data The data to escape.
	 *
	 * @return string Escaped data.
	 */
	public function _escape( $data ) {
		if ( ! $this->wpdb_mixin->dbh ) {
			$this->db_connect( 'SELECT * FROM nothing' );
		}

return $this->wpdb_mixin->default__escape( $data );
	}

/**
	 * Prepares a database query by replacing placeholders with provided arguments.
	 *
	 * @param string $query The SQL query with placeholders.
	 * @param array  $args  The arguments to replace the placeholders.
	 *
	 * @return string Prepared query.
	 */
	public function prepare( $query, $args ) {
		if ( ! $this->wpdb_mixin->dbh ) {
			$this->db_connect( $query );
		}

return $this->wpdb_mixin->default_prepare( $query, $args );
	}

/**
	 * Checks the database version and ensures compatibility with WordPress.
	 *
	 * @param mixed $dbh_or_table Optional. Database handle or table name to check.
	 *
	 * @return \WP_Error|void WP_Error if the database version is incompatible, void otherwise.
	 */
	public function check_database_version( $dbh_or_table = false ) {
		global $wp_version;
		// Make sure the server has MySQL 4.1.2.
		$mysqli_version = preg_replace( '|[^0-9\.]|', '', $this->wpdb_mixin->db_version( $dbh_or_table ) );
		if ( version_compare( $mysqli_version, '4.1.2', '<' ) ) {
			return new \WP_Error(
				'database_version',
				sprintf(
					// Translators: 1 WordPress version.
					__(
						'<strong>ERROR</strong>: WordPress %1$s requires MySQL 4.1.2 or higher'
					),
					$wp_version
				)
			);
		}
	}

/**
	 * Determines if the database server supports collation.
	 *
	 * @param mixed $dbh_or_table Optional. Database handle or table name to check.
	 *
	 * @return bool True if collation is supported, false otherwise.
	 */
	public function supports_collation( $dbh_or_table = false ) {
		return $this->wpdb_mixin->has_cap( 'collation', $dbh_or_table );
	}

/**
	 * Checks if the database server supports a given capability.
	 *
	 * @param string $db_cap      The database capability to check.
	 * @param mixed  $dbh_or_table Optional. Database handle or table name to check.
	 *
	 * @return bool True if the capability is supported, false otherwise.
	 */
	public function has_cap( $db_cap, $dbh_or_table = false ) {
		$version = $this->wpdb_mixin->db_version( $dbh_or_table );

switch ( strtolower( $db_cap ) ) {
			case 'collation':
			case 'group_concat':
			case 'subqueries':
				return version_compare( $version, '4.1', '>=' );

case 'set_charset':
				return version_compare( $version, '5.0.7', '>=' );
		}

return false;
	}

/**
	 * Retrieves the database server version.
	 *
	 * @param mixed $dbh_or_table Optional. Database handle or table name to check.
	 *
	 * @return string|false Database version string or false on failure.
	 */
	public function db_version( $dbh_or_table = false ) {
		$dbh = null;
		if ( ! $dbh_or_table && $this->wpdb_mixin->dbh ) {
			$dbh = $this->wpdb_mixin->dbh;
		} elseif ( is_object( $dbh_or_table ) ) {
			$dbh = $dbh_or_table;
		} else {
			$dbh = $this->db_connect( "SELECT FROM $dbh_or_table $this->wpdb_mixin->users" );
		}

if ( ! is_null( $dbh ) ) {
			return preg_replace( '/[^0-9.].*/', '', mysqli_get_server_info( $dbh ) );
		}

return false;
	}

/**
	 * Disconnects a specific database connection.
	 *
	 * @param string $dbhname The name of the database connection to disconnect.
	 *
	 * @return void
	 */
	public function _disconnect( $dbhname ) {
		if ( isset( $this->_connections[ $dbhname ] ) ) {
			$dbh = $this->_connections[ $dbhname ]['dbh'];
			if ( is_object( $dbh ) ) {
				mysqli_close( $dbh );
			}

unset( $this->_connections[ $dbhname ] );
		}
	}

/**
	 * Checks the TCP responsiveness of a given host and port.
	 *
	 * @param string $host          The hostname to check.
	 * @param int    $port          The port number to check.
	 * @param float  $float_timeout The timeout duration in seconds.
	 *
	 * @return string|true A message if unresponsive, true if responsive.
	 */
	public function _check_tcp_responsiveness( $host, $port, $float_timeout ) {
		$socket = @ fsockopen( $host, $port, $errno, $errstr, $float_timeout );
		if ( false === $socket ) {
			return "[ > $float_timeout ] ($errno) '$errstr'";
		}

fclose( $socket );

return true;
	}

/**
	 * Extracts the table name from a SQL query.
	 *
	 * @param string $q The SQL query.
	 *
	 * @return string|null The table name or null if not found.
	 */
	public function _get_table_from_query( $q ) {
		// Remove characters that can legally trail the table name.
		$q = rtrim( $q, ';/-#' );

// allow (select...) union [...] style queries. Use the first queries table name.
		$q = ltrim( $q, "\t (" );

// Quickly match most common queries.
		if (
			preg_match(
				'/^\s*(?:'
					. 'SELECT.*?\s+FROM'
					. '|INSERT(?:\s+IGNORE)?(?:\s+INTO)?'
					. '|REPLACE(?:\s+INTO)?'
					. '|UPDATE(?:\s+IGNORE)?'
					. '|DELETE(?:\s+IGNORE)?(?:\s+FROM)?'
					. ')\s+`?(\w+)`?/is',
				$q,
				$maybe
			)
		) {
			return $maybe[1];
		}

// Refer to the previous query.
		if ( preg_match( '/^\s*SELECT.*?\s+FOUND_ROWS/is', $q ) ) {
			return $this->_last_table;
		}

// SHOW TABLE STATUS LIKE and SHOW TABLE STATUS WHERE Name =.
		if (
			preg_match(
				'/^\s*SHOW\s+TABLE\s+STATUS.+(?:LIKE\s+|WHERE\s+Name\s*=\s*)\W(\w+)\W/is',
				$q,
				$maybe
			)
		) {
			return $maybe[1];
		}

// Big pattern for the rest of the table-related queries in MySQL 5.0.
		if (
			preg_match(
				'/^\s*(?:'
					. '(?:EXPLAIN\s+(?:EXTENDED\s+)?)?SELECT.*?\s+FROM'
					. '|INSERT(?:\s+LOW_PRIORITY|\s+DELAYED|\s+HIGH_PRIORITY)?(?:\s+IGNORE)?(?:\s+INTO)?'
					. '|REPLACE(?:\s+LOW_PRIORITY|\s+DELAYED)?(?:\s+INTO)?'
					. '|UPDATE(?:\s+LOW_PRIORITY)?(?:\s+IGNORE)?'
					. '|DELETE(?:\s+LOW_PRIORITY|\s+QUICK|\s+IGNORE)*(?:\s+FROM)?'
					. '|DESCRIBE|DESC|EXPLAIN|HANDLER'
					. '|(?:LOCK|UNLOCK)\s+TABLE(?:S)?'
					. '|(?:RENAME|OPTIMIZE|BACKUP|RESTORE|CHECK|CHECKSUM|ANALYZE|OPTIMIZE|REPAIR).*\s+TABLE'
					. '|TRUNCATE(?:\s+TABLE)?'
					. '|CREATE(?:\s+TEMPORARY)?\s+TABLE(?:\s+IF\s+NOT\s+EXISTS)?'
					. '|ALTER(?:\s+IGNORE)?\s+TABLE'
					. '|DROP\s+TABLE(?:\s+IF\s+EXISTS)?'
					. '|CREATE(?:\s+\w+)?\s+INDEX.*\s+ON'
					. '|DROP\s+INDEX.*\s+ON'
					. '|LOAD\s+DATA.*INFILE.*INTO\s+TABLE'
					. '|(?:GRANT|REVOKE).*ON\s+TABLE'
					. '|SHOW\s+(?:.*FROM|.*TABLE)'
					. ')\s+`?(\w+)`?/is',
				$q,
				$maybe
			)
		) {
			return $maybe[1];
		}
	}

/**
	 * Determines if a query modifies the database.
	 *
	 * @param string $q The SQL query.
	 *
	 * @return bool True if the query is a write operation, false otherwise.
	 */
	public function _is_write_query( $q ) {
		// Quick and dirty: only SELECT statements are considered read-only.
		$q = ltrim( $q, "\r\n\t (" );
		return ! preg_match( '/^(?:SELECT|SHOW|DESCRIBE|EXPLAIN)\s/i', $q );
	}

/**
	 * Runs callbacks registered for a specific group.
	 *
	 * @param string $group The callback group to run.
	 * @param mixed  $args  Optional. Arguments to pass to the callbacks.
	 *
	 * @return mixed|null The result of the callback, or null if none.
	 */
	public function _run_callbacks( $group, $args = null ) {
		if ( ! isset( $this->_callbacks[ $group ] ) || ! is_array( $this->_callbacks[ $group ] ) ) {
			return null;
		}

if ( ! isset( $args ) ) {
			$args = array( $this );
		} elseif ( is_array( $args ) ) {
			$args[] = $this;
		} else {
			$args = array( $args, $this );
		}

foreach ( $this->_callbacks[ $group ] as $func ) {
			$result = call_user_func_array( $func, $args );
			if ( isset( $result ) ) {
				return $result;
			}
		}
	}

/**
	 * Attempts a fallback database connection.
	 *
	 * @return mixed Database handle on success, or void on failure.
	 */
	public function _db_connect_fallback() {
		if ( is_object( $this->wpdb_mixin->dbh ) ) {
			return $this->wpdb_mixin->dbh;
		}

if (
			! defined( 'DB_HOST' ) ||
			! defined( 'DB_USER' ) ||
			! defined( 'DB_PASSWORD' ) ||
			! defined( 'DB_NAME' )
		) {
			return $this->wpdb_mixin->bail( 'We were unable to query because there was no database defined.' );
		}

$this->wpdb_mixin->dbh = mysqli_init();

$port         = null;
		$socket       = null;
		$client_flags = defined( 'MYSQL_CLIENT_FLAGS' ) ? MYSQL_CLIENT_FLAGS : 0;

if ( WP_DEBUG ) {
			mysqli_real_connect( $this->wpdb_mixin->dbh, DB_HOST, DB_USER, DB_PASSWORD, null, $port, $socket, $client_flags );
		} else {
			@mysqli_real_connect( $this->wpdb_mixin->dbh, $host, $user, $password, null, $port, $socket, $client_flags );
		}

if ( ! is_object( $this->wpdb_mixin->dbh ) ) {
			return $this->wpdb_mixin->bail( 'We were unable to connect to the database. (DB_HOST)' );
		}

if ( ! mysqli_select_db( $this->wpdb_mixin->dbh, DB_NAME ) ) {
			return $this->wpdb_mixin->bail( 'We were unable to select the database.' );
		}

if ( ! empty( $this->wpdb_mixin->charset ) ) {
			$collation_query = "SET NAMES '{$this->wpdb_mixin->charset}'";
			if ( ! empty( $this->wpdb_mixin->collate ) ) {
				$collation_query .= " COLLATE '{$this->wpdb_mixin->collate}'";
			}

mysqli_query( $this->wpdb_mixin->dbh, $collation_query );
		}

return $this->wpdb_mixin->dbh;
	}

/**
	 * Appends footer comments to indicate the use of database clustering.
	 *
	 * @param array $strings Existing footer comments.
	 *
	 * @return array Footer comments with added database cluster information.
	 */
	public function w3tc_footer_comment( $strings ) {
		$append = '';
		if ( isset( $this->_current_zone['name'] ) && 'all' !== $this->_current_zone['name'] ) {
			$append .= ' with home zone ' . $this->_current_zone['name'];
		}

if ( ! is_null( $this->_reject_reason ) ) {
			$append .= ' (' . $this->_reject_reason . ')';
		}

$strings[] = 'Database cluster enabled ' . $append;

return $strings;
	}

/**
	 * Records usage statistics for the current request.
	 *
	 * @todo Implement usage statistics of requests
	 *
	 * @param mixed $storage Storage mechanism for the usage statistics.
	 *
	 * @return void
	 */
	public function w3tc_usage_statistics_of_request( $storage ) {
	}
}

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