Overview

Namespaces

  • MatthiasMullie
    • Minify
      • Exceptions
    • PathConverter
  • None
  • ReCaptcha
    • RequestMethod
  • TOTP

Classes

  • apc_cache
  • apcu_cache
  • ApprovePost_Notify_Background
  • ApproveReply_Notify_Background
  • Attachments
  • Birthday_Notify_Background
  • browser_detector
  • Buddy_Notify_Background
  • cache_api
  • CreateAttachment_Notify_Background
  • CreatePost_Notify_Background
  • curl_fetch_web_data
  • custom_search
  • EventNew_Notify_Background
  • ftp_connection
  • fulltext_search
  • gif_color_table
  • gif_file
  • gif_file_header
  • gif_image
  • gif_image_header
  • gif_lzw_compression
  • GroupAct_Notify_Background
  • GroupReq_Notify_Background
  • Likes
  • Likes_Notify_Background
  • MatthiasMullie\Minify\CSS
  • MatthiasMullie\Minify\JS
  • MatthiasMullie\Minify\Minify
  • MatthiasMullie\PathConverter\Converter
  • MemberReport_Notify_Background
  • MemberReportReply_Notify_Background
  • memcache_cache
  • memcached_cache
  • Mentions
  • MsgReport_Notify_Background
  • MsgReportReply_Notify_Background
  • paypal_display
  • paypal_payment
  • postgres_cache
  • ProxyServer
  • Punycode
  • ReCaptcha\ReCaptcha
  • ReCaptcha\RequestMethod\Curl
  • ReCaptcha\RequestMethod\CurlPost
  • ReCaptcha\RequestMethod\Post
  • ReCaptcha\RequestMethod\Socket
  • ReCaptcha\RequestMethod\SocketPost
  • ReCaptcha\RequestParameters
  • ReCaptcha\Response
  • Register_Notify_Background
  • search_api
  • SMF_BackgroundTask
  • smf_cache
  • sqlite_cache
  • standard_search
  • TOTP\Auth
  • TypeError
  • Update_TLD_Regex
  • xcache_cache
  • xmlArray
  • zend_cache

Interfaces

  • cache_api_interface
  • ReCaptcha\RequestMethod
  • search_api_interface

Exceptions

  • Error
  • MatthiasMullie\Minify\Exception
  • MatthiasMullie\Minify\Exceptions\BasicException
  • MatthiasMullie\Minify\Exceptions\FileImportException
  • MatthiasMullie\Minify\Exceptions\IOException

Functions

  • _safe_serialize
  • _safe_unserialize
  • account
  • Activate
  • activateAccount
  • add_integration_function
  • addData
  • addInlineCss
  • addInlineJavaScript
  • addJavaScriptVar
  • AddLanguage
  • AddMailQueue
  • AddMembergroup
  • addMembersToGroup
  • addSeparator
  • AddSmiley
  • addSubscription
  • addTriggers
  • AdminAccount
  • AdminApprove
  • AdminBoardRecount
  • AdminEndSession
  • AdminHome
  • adminLogin
  • adminLogin_outputPostVars
  • AdminLogs
  • AdminMain
  • adminNotify
  • AdminRegister
  • AdminSearch
  • AdminSearchInternal
  • AdminSearchMember
  • AdminSearchOM
  • alert_configuration
  • alert_count
  • alert_delete
  • alert_mark
  • alert_markread
  • alert_notifications_boards
  • alert_notifications_topics
  • alert_purge
  • alerts_popup
  • AlignURLsWithSSLSetting
  • allowedTo
  • AnnouncementSelectMembergroup
  • AnnouncementSend
  • AnnounceTopic
  • ApplyRules
  • approveAllData
  • ApproveAttach
  • ApproveAttachments
  • ApproveMessage
  • approveMessages
  • approvePosts
  • approveTopics
  • array_column
  • array_length
  • assignAttachments
  • attachDirStatus
  • attachmentChecks
  • attachments_init_dir
  • automanage_attachments_by_space
  • automanage_attachments_check_directory
  • automanage_attachments_create_directory
  • AutoSuggest_Search_Member
  • AutoSuggest_Search_MemberGroups
  • AutoSuggest_Search_SMFVersions
  • AutoSuggestHandler
  • AutoTask
  • BackupDatabase
  • backupTable
  • Ban
  • BanBrowseTriggers
  • BanEdit
  • banEdit2
  • BanEditTrigger
  • BanList
  • banLoadAdditionalIPs
  • banLoadAdditionalIPsError
  • banLoadAdditionalIPsMember
  • BanLog
  • banPermissions
  • bbc_to_html
  • BoardIndex
  • BoardNotify
  • BoardPermissionsReport
  • BoardReport
  • boardsAllowedTo
  • BoardurlMatch
  • BookOfUnknown
  • BrowseFiles
  • BrowseMailQueue
  • BuddyListToggle
  • build_query_board
  • build_regex
  • buildEventDatetimes
  • cache_get_data
  • cache_getLastPosts
  • cache_getMembergroupList
  • cache_getOffsetIndependentEvents
  • cache_getRecentEvents
  • cache_put_data
  • cache_quick_get
  • CalculateNextTrigger
  • CalendarMain
  • CalendarPost
  • call_helper
  • call_integration_hook
  • canLinkEvent
  • canPickTheme
  • cdata_parse
  • censorText
  • check_cron
  • checkActivation
  • checkChange
  • checkConfirm
  • checkExistingTriggerIP
  • CheckFilesWritable
  • checkGD
  • checkImageContents
  • checkImagick
  • checkLogin
  • checkMagickWand
  • checkSession
  • checkSubmitOnce
  • clean_cache
  • cleanLangString
  • cleanRequest
  • cleanRequest_cron
  • cleanTokens
  • cleanXml
  • ClearMailQueue
  • cli_scheduled_fetchSMfiles
  • clock
  • cmdStep0
  • comma_format
  • compareVersions
  • ComposeMailing
  • consolidateSpiderStats
  • construct_query_string
  • constructPageIndex
  • ConvertEntities
  • ConvertMsgBody
  • convertSettingstoOptions
  • convertSettingsToTheme
  • ConvertUtf8
  • CoppaForm
  • CopyTemplate
  • copytree
  • countReports
  • create_button
  • create_chmod_control
  • create_control_richedit
  • create_control_verification
  • createAttachment
  • createBoard
  • createCategory
  • createList
  • createMenu
  • CreateMessageIndex
  • createPost
  • createSalvageArea
  • createThumbnail
  • createToken
  • createWaveFile
  • Credits
  • custFieldsMaxOrder
  • custMinify
  • DatabaseChanges
  • DatabasePopulation
  • DatabaseSettings
  • db_extend
  • db_extra_init
  • db_fix_prefix
  • db_packages_init
  • db_search_init
  • db_version_check
  • debugPrint
  • deleteAccount
  • deleteAccount2
  • deleteAllMinified
  • deleteBoards
  • deleteCategories
  • DeleteDraft
  • deleteErrors
  • DeleteInstall
  • DeleteMembergroup
  • deleteMembergroups
  • deleteMembers
  • DeleteMessage
  • deleteMessages
  • deleteModComment
  • deleteNotifyPrefs
  • DeleteUpgrade
  • deltree
  • Destroy
  • destroyMenu
  • detectBrowser
  • detectFulltextIndex
  • determineActions
  • Display
  • display_db_error
  • display_loadavg_error
  • display_maintenance_message
  • DisplayAdminFile
  • displayDebug
  • DisplayStats
  • DoLogin
  • Download
  • downloadAvatar
  • DownloadLanguage
  • dumpTags
  • EditAgreement
  • EditBoard
  • EditBoard2
  • EditBoardSettings
  • editBuddies
  • editBuddyIgnoreLists
  • EditCategory
  • EditCategory2
  • EditComment
  • EditCustomProfiles
  • EditHoliday
  • editIgnoreList
  • EditMembergroup
  • EditMessageIcons
  • editModComment
  • EditNews
  • EditPermissionProfiles
  • EditPoll
  • EditPoll2
  • EditSearchMethod
  • EditSearchSettings
  • EditSmileyOrder
  • EditSmileys
  • EditSmileySets
  • EditSmileySettings
  • EditSpider
  • EditTask
  • EditTheme
  • EditWeights
  • emailAdmins
  • EnableTheme
  • entity_fix__callback
  • escapestring__recursive
  • ExamineFile
  • expandIPv6
  • fatal_error
  • fatal_lang_error
  • fetch_alerts
  • fetch_task
  • fetch_web_data
  • fetchPerms__recursive
  • fetchTagAttributes
  • find_gpg
  • find_signed_off
  • find_signed_off_parents
  • findForumErrors
  • findMembers
  • findSearchAPI
  • finishTables
  • fix_possible_url
  • fix_serialized_data
  • fixchar__callback
  • fixchardb__callback
  • fixChildren
  • fixModSecurity
  • fixRelativePath
  • fixTag
  • fixTags
  • forum_time
  • forumProfile
  • ForumSettings
  • frameOptionsHeader
  • GeneralPermissionSettings
  • generateSubscriptionError
  • generateValidationCode
  • get_all_themes
  • get_current_settings
  • get_date_or_time_format
  • get_directory_tree_elements
  • get_file_listing
  • get_files_recursive
  • get_gravatar_url
  • get_hook_info_from_raw
  • get_installed_themes
  • get_integration_hooks
  • get_integration_hooks_count
  • get_integration_hooks_data
  • get_proxied_url
  • get_single_theme
  • get_theme_info
  • getAttachmentFilename
  • getAttachMsgInfo
  • getAvatars
  • getBirthdayRange
  • getBoardIndex
  • getBoardList
  • getBoardModeratorGroups
  • getBoardModerators
  • getBoardParents
  • getBoardTree
  • getCalendarGrid
  • getCalendarList
  • getCalendarWeek
  • getCommentModDetails
  • getCustFieldsMList
  • getDailyStats
  • getEventPoster
  • getEventProperties
  • getEventRange
  • getFileVersions
  • getHolidayRange
  • GetJumpTo
  • getLanguages
  • getLastPost
  • getLastPosts
  • GetMemberActivationCounts
  • getMemberData
  • getMemberGroups
  • getMembersOnlineStats
  • getMessageIcons
  • getMsgMemberID
  • getNewEventDatetimes
  • getNotifyPrefs
  • getPackageInfo
  • getRawAttachInfo
  • getReportComments
  • getReportDetails
  • getReports
  • getServerVersions
  • getTodayInfo
  • getTopic
  • getTreeOrder
  • getUserTimezone
  • getXmlMembers
  • getXmlNews
  • getXmlProfile
  • getXmlRecent
  • gif_outputAsPng
  • GroupList
  • groupMembership
  • groupMembership2
  • GroupPermissionsReport
  • GroupRequests
  • Groups
  • groupsAllowedTo
  • HandleComment
  • HandleReport
  • hash_benchmark
  • hash_length
  • hash_password
  • hash_salt
  • hash_verify_password
  • HelpIndex
  • HelpRules
  • highlight
  • highlight_php_code
  • host_from_ip
  • html_to_bbc
  • htmlspecialchars__recursive
  • htmltrim__recursive
  • https_redirect_active
  • httpsOn
  • iCalDownload
  • ignoreboards
  • imagecopyresamplebicubic
  • imagecreatefrombmp
  • imageMemoryCheck
  • ImportSmileys
  • inet_dtop
  • inet_ptod
  • initialize_inputs
  • InMaintenance
  • insertBanGroup
  • insertEvent
  • InstallCopy
  • InstallDir
  • installer_updateSettingsFile
  • installExit
  • InstallFile
  • InstallSmileySet
  • ip2range
  • iri_to_url
  • is_not_banned
  • is_not_guest
  • isAccessiblePM
  • isAllowedTo
  • isBannedEmail
  • isBrowser
  • isChildOf
  • isReservedName
  • issueWarning
  • isValidIP
  • isValidIPv6
  • JavaScriptEscape
  • JavaScriptModify
  • jeffsdatediff
  • JSMembers
  • KickGuest
  • legalise_bbc
  • list_getAttachDirs
  • list_getAttachments
  • list_getBanItems
  • list_getBanLogEntries
  • list_getBans
  • list_getBanTriggers
  • list_getBaseDirs
  • list_getBoardNotifications
  • list_getFiles
  • list_getGroupRequestCount
  • list_getGroupRequests
  • list_getGroupRequestsCount
  • list_getHolidays
  • list_getIPMessageCount
  • list_getIPMessages
  • list_getLanguages
  • list_getLanguagesList
  • list_getLoginCount
  • list_getLogins
  • list_getMailQueue
  • list_getMailQueueSize
  • list_getMembergroups
  • list_getMembers
  • list_getMessageIcons
  • list_getModLogEntries
  • list_getModLogEntryCount
  • list_getNews
  • list_getNumAttachments
  • list_getNumBanItems
  • list_getNumBanLogEntries
  • list_getNumBans
  • list_getNumBanTriggers
  • list_getNumFiles
  • list_getNumHolidays
  • list_getNumLanguages
  • list_getNumMembers
  • list_getNumSmileys
  • list_getNumSmileySets
  • list_getNumSpiderLogs
  • list_getNumSpiders
  • list_getNumSpiderStats
  • list_getNumTaskLogEntries
  • list_getNumUnapprovedAttachments
  • list_getNumUnwatched
  • list_getPackages
  • list_getProfileEditCount
  • list_getProfileEdits
  • list_getProfileFields
  • list_getProfileFieldSize
  • list_getScheduledTasks
  • list_getSmileys
  • list_getSmileySets
  • list_getSpiderLogs
  • list_getSpiders
  • list_getSpiderStats
  • list_getSubscribedUserCount
  • list_getSubscribedUsers
  • list_getTaskLogEntries
  • list_getTopicNotificationCount
  • list_getTopicNotifications
  • list_getUnapprovedAttachments
  • list_getUnwatched
  • list_getUserErrorCount
  • list_getUserErrors
  • list_getUserWarningCount
  • list_getUserWarnings
  • list_getWarningCount
  • list_getWarnings
  • list_getWarningTemplateCount
  • list_getWarningTemplates
  • list_getWatchedUserCount
  • list_getWatchedUserPosts
  • list_getWatchedUserPostsCount
  • list_getWatchedUsers
  • list_integration_hooks
  • listMembergroupMembers_Href
  • ListMessageIcons
  • listtree
  • load_database
  • load_file
  • load_lang_file
  • loadAttachmentContext
  • loadBoard
  • loadCacheAccelerator
  • loadCacheAPIs
  • loadCSSFile
  • loadCustomFields
  • loadDatabase
  • loadDatePair
  • loadDatePicker
  • loadEmailTemplate
  • loadEssentialData
  • loadEssentialThemeData
  • loadForumTests
  • loadGeneralSettingParameters
  • loadIllegalBBCHtmlGroups
  • loadIllegalGuestPermissions
  • loadIllegalPermissions
  • loadInstalledPackages
  • loadJavaScriptFile
  • loadLanguage
  • loadLocale
  • loadMemberContext
  • loadMemberCustomFields
  • loadMemberData
  • loadPaymentGateways
  • loadPermissionProfiles
  • loadPermissions
  • loadProfileFields
  • LoadRules
  • loadSearchAPIs
  • loadSession
  • loadSubscriptions
  • loadSubTemplate
  • loadTemplate
  • loadTheme
  • loadThemeOptions
  • loadTimePicker
  • loadUserSettings
  • LockTopic
  • LockVoting
  • log_ban
  • log_error
  • log_error_online
  • logAction
  • logActions
  • Login
  • Login2
  • LoginTFA
  • logLastDatabaseError
  • Logout
  • logSpider
  • logTriggersUpdates
  • MaintainCleanCache
  • MaintainDatabase
  • MaintainEmptyUnimportantLogs
  • MaintainFiles
  • MaintainFindFixErrors
  • MaintainMassMoveTopics
  • MaintainMembers
  • MaintainPurgeInactiveMembers
  • MaintainReattributePosts
  • MaintainRecountPosts
  • MaintainRemoveOldDrafts
  • MaintainRemoveOldPosts
  • MaintainRoutine
  • MaintainTopics
  • makeCustomFieldChanges
  • makeFilesWritable
  • makeNotificationChanges
  • makeThemeChanges
  • ManageAttachmentPaths
  • ManageAttachments
  • ManageAttachmentSettings
  • ManageAvatarSettings
  • ManageBoards
  • ManageBoardsMain
  • ManageCalendar
  • ManageLabels
  • ManageLanguages
  • ManageMail
  • ManageMaintenance
  • ManageNews
  • ManagePaidSubscriptions
  • ManagePostSettings
  • ManageRules
  • ManageScheduledTasks
  • ManageSearch
  • ManageSearchEngineSettings
  • ManageSmileys
  • markBoardsRead
  • markMessages
  • MarkRead
  • matchHighestPackageVersion
  • matchIPtoCIDR
  • matchPackageVersion
  • md5_hmac
  • MembergroupIndex
  • MembergroupMembers
  • MemberGroupsReport
  • Memberlist
  • membersAllowedTo
  • MembersAwaitingActivation
  • memoryReturnBytes
  • MergeDone
  • MergeExecute
  • MergeIndex
  • mergePosts
  • MergeTopics
  • MessageActionsApply
  • MessageDrafts
  • MessageFolder
  • MessageIndex
  • messageIndexBar
  • MessageKillAll
  • MessageMain
  • MessagePopup
  • MessagePost
  • MessagePost2
  • messagePostError
  • MessagePrune
  • MessageSearch
  • MessageSearch2
  • MessageSettings
  • mimespecialchars
  • mktree
  • MLAll
  • MLSearch
  • ModBlockGroupRequests
  • ModBlockNotes
  • ModBlockReportedMembers
  • ModBlockReportedPosts
  • ModBlockWatchedUsers
  • ModEndSession
  • ModerateGroups
  • ModerationHome
  • ModerationMain
  • ModerationSettings
  • ModifyAlertsSettings
  • ModifyAntispamSettings
  • ModifyBasicSettings
  • ModifyBBCSettings
  • modifyBoard
  • ModifyCacheSettings
  • ModifyCalendarSettings
  • ModifyCat
  • modifyCategory
  • ModifyCookieSettings
  • ModifyDatabaseSettings
  • ModifyDraftSettings
  • modifyEvent
  • ModifyFeatureSettings
  • ModifyGeneralModSettings
  • ModifyGeneralSecuritySettings
  • ModifyGeneralSettings
  • ModifyHolidays
  • ModifyLanguage
  • ModifyLanguages
  • ModifyLanguageSettings
  • ModifyLayoutSettings
  • ModifyLikesSettings
  • ModifyLoadBalancingSettings
  • ModifyLogSettings
  • ModifyMailSettings
  • ModifyMembergroup
  • ModifyMembergroup2
  • ModifyMembergroups
  • ModifyMembergroupsettings
  • ModifyMentionsSettings
  • ModifyModSettings
  • ModifyNewsSettings
  • ModifyPermissions
  • modifyPost
  • ModifyPostModeration
  • ModifyPostSettings
  • ModifyProfile
  • ModifyRegistrationSettings
  • ModifySettings
  • ModifySignatureSettings
  • ModifySubscription
  • ModifySubscriptionSettings
  • ModifyTopicSettings
  • ModifyUserSubscription
  • ModifyWarningSettings
  • ModifyWarningTemplate
  • MoveTopic
  • MoveTopic2
  • moveTopicConcurrence
  • moveTopics
  • MySQLConvertOldIp
  • newsletterpreview
  • newspreview
  • newTable
  • next_time
  • nextSubstep
  • notification
  • ob_sessrewrite
  • obExit
  • obExit_cron
  • OptimizeTables
  • package_chmod
  • package_create_backup
  • package_crypt
  • package_flush_cache
  • package_get_contents
  • package_put_contents
  • PackageBrowse
  • PackageDownload
  • PackageFTPTest
  • PackageGBrowse
  • PackageGet
  • PackageInstall
  • PackageInstallTest
  • PackageList
  • PackageOptions
  • PackagePermissions
  • PackagePermissionsAction
  • PackageRemove
  • packageRequireFTP
  • Packages
  • PackageServerAdd
  • PackageServerRemove
  • PackageServers
  • PackageUpload
  • parse_bbc
  • parse_path
  • parse_sql
  • parseAttachBBC
  • parseBoardMod
  • parseModification
  • parsePackageInfo
  • parsesmileys
  • password_get_info
  • password_hash
  • password_needs_rehash
  • password_verify
  • pauseAttachmentMaintenance
  • pauseMailQueueClear
  • pauseRepairProcess
  • pauseSignatureApplySettings
  • perform_task
  • PermissionByBoard
  • PermissionIndex
  • permute
  • php_version_check
  • phpBB3_password_check
  • PickTheme
  • PlushSearch1
  • PlushSearch2
  • populateDuplicateMembers
  • Post
  • Post2
  • PostModerationMain
  • prepareAttachsByMsg
  • prepareCLIhandler
  • prepareDBSettingContext
  • prepareDisplayContext
  • prepareLikesContext
  • prepareMailingForPreview
  • prepareMessageContext
  • prepareSearchContext
  • prepareServerSettingsContext
  • preparsecode
  • print_error
  • printMemberListRows
  • PrintTopic
  • processAttachments
  • profile_popup
  • profileLoadAvatarData
  • profileLoadGroups
  • profileLoadLanguages
  • profileLoadSignatureData
  • profileReloadUser
  • profileSaveAvatarData
  • profileSaveGroups
  • profileSendActivation
  • profileValidateEmail
  • profileValidateSignature
  • protected_alter
  • quickFileWritable
  • QuickInTopicModeration
  • QuickModeration
  • QuoteFast
  • random_bytes
  • random_int
  • RandomCompat_intval
  • RandomCompat_strlen
  • RandomCompat_substr
  • range2ip
  • read_tgz_data
  • read_tgz_file
  • read_zip_data
  • read_zip_file
  • ReadDraft
  • reapplySubscriptions
  • reattributePosts
  • rebuildModCache
  • recacheSpiderNames
  • RecentPosts
  • recountOpenReports
  • recursiveBoards
  • redirectexit
  • redirectLocation
  • ReduceMailQueue
  • reencodeImage
  • RegCenter
  • Register
  • Register2
  • RegisterCheckUsername
  • registerMember
  • registerSMStats
  • reloadSettings
  • RemindMe
  • RemindPick
  • remove_dir
  • remove_integration_function
  • remove_theme
  • RemoveAllAttachments
  • RemoveAttachment
  • RemoveAttachmentByAge
  • RemoveAttachmentBySize
  • removeBanGroups
  • removeBanLogs
  • removeBanTriggers
  • removeDeleteConcurrence
  • removeEvent
  • removeHolidays
  • removeIllegalBBCHtmlPermission
  • removeMembersFromGroups
  • removeMessage
  • removeMessages
  • RemoveOldTopics2
  • RemovePoll
  • removeSubscription
  • RemoveTheme
  • RemoveTopic2
  • removeTopics
  • reorderBoards
  • RepairAttachments
  • RepairBoards
  • replaceEntities__callback
  • ReportDetails
  • ReportedContent
  • ReportedMembers
  • ReportMessage
  • reportPost
  • ReportsMain
  • ReportToModerator
  • ReportToModerator2
  • reportUser
  • RequestMembers
  • resetPassword
  • resizeImage
  • resizeImageFile
  • RestoreTopic
  • RetrievePreview
  • safe_file_write
  • safe_serialize
  • safe_unserialize
  • sanitize_iri
  • sanitizeMSCutPaste
  • saveDBSettings
  • SaveDraft
  • saveModComment
  • SavePMDraft
  • saveProfileChanges
  • saveProfileFields
  • saveSettings
  • saveTriggers
  • scheduled_birthdayemails
  • scheduled_daily_digest
  • scheduled_daily_maintenance
  • scheduled_fetchSMfiles
  • scheduled_paid_subscriptions
  • scheduled_remove_old_drafts
  • scheduled_remove_temp_attachments
  • scheduled_remove_topic_redirect
  • scheduled_weekly_digest
  • scheduled_weekly_maintenance
  • ScheduledTasks
  • SearchEngines
  • SearchMembers
  • searchSort
  • SecretAnswer2
  • SecretAnswerInput
  • secureDirectory
  • SelectMailingMembers
  • send_http_status
  • SendActivation
  • sendmail
  • SendMailing
  • sendNotifications
  • sendpm
  • sentence_list
  • serialize_to_json
  • sessionClose
  • sessionDestroy
  • sessionGC
  • sessionOpen
  • sessionRead
  • sessionWrite
  • set_alert_icon
  • set_avatar_data
  • set_fatal_error_headers
  • set_tld_regex
  • SetCensor
  • setEventStartEnd
  • SetJavaScript
  • setKeys
  • setLoginCookie
  • setMemoryLimit
  • setNotifyPrefs
  • setPassword
  • setPassword2
  • SetQuickGroups
  • SetReserved
  • setSqlMode
  • setTFACookie
  • SetThemeOptions
  • SetThemeSettings
  • setup_fatal_error_context
  • setupMenuContext
  • setupProfileContext
  • setupThemeContext
  • sha1_core
  • sha1_ft
  • sha1_kt
  • sha1_raw
  • sha1_rol
  • sha1_smf
  • shorten_subject
  • ShowAdminHelp
  • showAlerts
  • showAttachment
  • showAttachments
  • ShowClosedReports
  • showCodeImage
  • ShowCustomProfiles
  • ShowDrafts
  • ShowHelp
  • showLetterImage
  • ShowNotice
  • showPermissions
  • ShowPHPinfoSettings
  • showPMDrafts
  • showPosts
  • showProfileDrafts
  • ShowReports
  • showUnwatched
  • ShowXmlFeed
  • sig_preview
  • smf_chmod
  • smf_crc32
  • smf_db_add_column
  • smf_db_add_index
  • smf_db_affected_rows
  • smf_db_allow_persistent
  • smf_db_backup_table
  • smf_db_calculate_type
  • smf_db_change_column
  • smf_db_create_query_column
  • smf_db_create_table
  • smf_db_create_word_search
  • smf_db_cte_support
  • smf_db_custom_order
  • smf_db_drop_table
  • smf_db_error
  • smf_db_error_backtrace
  • smf_db_error_insert
  • smf_db_escape_string
  • smf_db_escape_wildcard_string
  • smf_db_fetch_all
  • smf_db_get_server_info
  • smf_db_get_vendor
  • smf_db_get_version
  • smf_db_initiate
  • smf_db_insert
  • smf_db_insert_id
  • smf_db_list_columns
  • smf_db_list_indexes
  • smf_db_list_tables
  • smf_db_native_replace
  • smf_db_optimize_table
  • smf_db_query
  • smf_db_quote
  • smf_db_remove_column
  • smf_db_remove_index
  • smf_db_replacement__callback
  • smf_db_search_language
  • smf_db_search_query
  • smf_db_search_support
  • smf_db_select
  • smf_db_select_db
  • smf_db_table_sql
  • smf_db_table_structure
  • smf_db_transaction
  • smf_db_version
  • smf_error_handler
  • smf_error_handler_cron
  • smf_is_resource
  • smf_json_decode
  • smf_list_timezones
  • smf_main
  • smf_mysql_fetch_assoc
  • smf_mysql_fetch_row
  • smf_mysql_free_result
  • smf_mysql_insert_id
  • smf_mysql_num_rows
  • smf_mysql_real_escape_string
  • smf_seed_generator
  • smf_serverResponse
  • smf_setcookie
  • smf_strtolower
  • smf_var_export
  • SMStats
  • sortBoards
  • sortCategories
  • spamProtection
  • spell_check
  • spell_init
  • spell_suggest
  • SpellCheck
  • SpiderCheck
  • SpiderLogs
  • SpiderStats
  • SplitExecute
  • SplitIndex
  • SplitSelectionExecute
  • SplitSelectTopics
  • splitTopic
  • SplitTopics
  • ssi_boardNews
  • ssi_boardStats
  • ssi_checkPassword
  • ssi_copyright
  • ssi_fetchGroupMembers
  • ssi_fetchMember
  • ssi_fetchPosts
  • ssi_full_version
  • ssi_latestMember
  • ssi_login
  • ssi_logOnline
  • ssi_logout
  • ssi_menubar
  • ssi_news
  • ssi_pollVote
  • ssi_queryMembers
  • ssi_queryPosts
  • ssi_quickSearch
  • ssi_randomMember
  • ssi_recentAttachments
  • ssi_recentEvents
  • ssi_recentPoll
  • ssi_recentPosts
  • ssi_recentTopics
  • ssi_showPoll
  • ssi_shutdown
  • ssi_software_year
  • ssi_todaysBirthdays
  • ssi_todaysCalendar
  • ssi_todaysEvents
  • ssi_todaysHolidays
  • ssi_topBoards
  • ssi_topPoll
  • ssi_topPoster
  • ssi_topTopics
  • ssi_topTopicsReplies
  • ssi_topTopicsViews
  • ssi_version
  • ssi_welcome
  • ssi_whosOnline
  • ssl_cert_found
  • StaffReport
  • statPanel
  • Sticky
  • strip_php_comments
  • stripslashes__recursive
  • subscriptions
  • summary
  • TaskLog
  • TaskSettings
  • template_action_permissions
  • template_add_edit_group_boards_list
  • template_add_language
  • template_add_rule
  • template_additional_rows
  • template_addsmiley
  • template_admin
  • template_admin_account
  • template_admin_browse
  • template_admin_login
  • template_admin_quick_search
  • template_admin_register
  • template_admin_search_results
  • template_after
  • template_alert_configuration
  • template_alert_notifications_boards
  • template_alert_notifications_topics
  • template_alerts_all_read
  • template_alerts_popup
  • template_announce
  • template_announcement_send
  • template_ask
  • template_ask_delete
  • template_attachment_errors
  • template_attachment_paths
  • template_attachment_repair
  • template_avatar_settings_above
  • template_avatar_settings_below
  • template_backup_database
  • template_backup_xml
  • template_ban_edit
  • template_ban_edit_trigger
  • template_bcd
  • template_bi_board_children
  • template_bi_board_icon
  • template_bi_board_info
  • template_bi_board_lastpost
  • template_bi_board_stats
  • template_bi_redirect_icon
  • template_bi_redirect_stats
  • template_boardindex_outer_above
  • template_boardindex_outer_below
  • template_body_above
  • template_body_below
  • template_browse
  • template_button_strip
  • template_by_board
  • template_calendar_top
  • template_callback_question_answer_list
  • template_check_username
  • template_chmod
  • template_chmod_files
  • template_choose_payment
  • template_clean_cache_button_above
  • template_clean_cache_button_below
  • template_confirm_board_delete
  • template_confirm_category_delete
  • template_control_chmod
  • template_control_richedit
  • template_control_richedit_buttons
  • template_control_verification
  • template_convert_entities
  • template_convert_msgbody
  • template_convert_utf8
  • template_convert_xml
  • template_coppa
  • template_coppa_form
  • template_copy_template
  • template_create_index
  • template_create_index_done
  • template_create_index_progress
  • template_create_list_menu
  • template_credits
  • template_css
  • template_database_changes
  • template_database_settings
  • template_database_xml
  • template_delete_install
  • template_delete_subscription
  • template_deleteAccount
  • template_download_language
  • template_downloaded
  • template_edit_agreement
  • template_edit_browse
  • template_edit_censored
  • template_edit_comment
  • template_edit_file
  • template_edit_group
  • template_edit_holiday
  • template_edit_list
  • template_edit_options
  • template_edit_profile_field
  • template_edit_profiles
  • template_edit_reserved_words
  • template_edit_scheduled_tasks
  • template_edit_style
  • template_edit_template
  • template_editBuddies
  • template_editicon
  • template_editicons
  • template_editIgnoreList
  • template_editsets
  • template_email_members
  • template_email_members_compose
  • template_email_members_send
  • template_error_log
  • template_error_message
  • template_event_post
  • template_examine
  • template_extract_package
  • template_fatal_error
  • template_file_permissions
  • template_find_members
  • template_folder
  • template_footer
  • template_forum_settings
  • template_ftp_required
  • template_generic
  • template_generic_menu
  • template_generic_menu_dropdown_above
  • template_generic_menu_dropdown_below
  • template_generic_menu_tabs
  • template_generic_xml
  • template_generic_xml_recursive
  • template_group_members
  • template_group_request_reason
  • template_group_requests_block
  • template_groupMembership
  • template_header
  • template_hms
  • template_homepage_sample1
  • template_homepage_sample1_html
  • template_homepage_sample1_php
  • template_html_above
  • template_html_below
  • template_ic_block_calendar
  • template_ic_block_online
  • template_ic_block_recent
  • template_ic_block_stats
  • template_ignoreboards
  • template_include
  • template_info_center
  • template_init
  • template_inline_permissions
  • template_install_above
  • template_install_below
  • template_install_options
  • template_installed
  • template_issueWarning
  • template_javascript
  • template_jump_to
  • template_kick_guest
  • template_labels
  • template_like
  • template_list
  • template_list_themes
  • template_load_warning_variables
  • template_login
  • template_login_tfa
  • template_mailtest
  • template_main
  • template_maint_warning_above
  • template_maint_warning_below
  • template_maintain_database
  • template_maintain_members
  • template_maintain_routine
  • template_maintain_topics
  • template_maintenance
  • template_manual
  • template_max_size
  • template_menu
  • template_merge
  • template_merge_done
  • template_merge_extra_options
  • template_message_icons
  • template_moderation_center
  • template_moderation_settings
  • template_modify_board
  • template_modify_category
  • template_modify_group
  • template_modify_group_display
  • template_modify_language_entries
  • template_modify_subscription
  • template_modify_user_subscription
  • template_modify_weights
  • template_modifydone
  • template_modifyfast
  • template_modifyset
  • template_modifysmiley
  • template_modifytopicdone
  • template_move
  • template_new_group
  • template_news_lists
  • template_newsfader
  • template_not_done
  • template_notes
  • template_notify_board
  • template_omfg
  • template_optimize
  • template_options
  • template_package_confirm
  • template_package_list
  • template_paid_done
  • template_permission_index
  • template_permission_show_contents
  • template_php_info
  • template_pick
  • template_pm
  • template_pm_above
  • template_pm_below
  • template_pm_popup
  • template_populate_database
  • template_popup
  • template_post
  • template_post_header
  • template_postmod_permissions
  • template_print
  • template_print_above
  • template_print_below
  • template_print_options
  • template_profile_above
  • template_profile_avatar_select
  • template_profile_below
  • template_profile_birthdate
  • template_profile_group_manage
  • template_profile_pm_settings
  • template_profile_popup
  • template_profile_save
  • template_profile_signature_modify
  • template_profile_smiley_pick
  • template_profile_tfa
  • template_profile_theme_pick
  • template_profile_theme_settings
  • template_profile_timeformat_modify
  • template_prune
  • template_quickbuttons
  • template_quickreply
  • template_quotefast
  • template_recent
  • template_redirect_options
  • template_registration_agreement
  • template_registration_form
  • template_reminder_pick
  • template_repair_boards
  • template_replies
  • template_report_message
  • template_report_message_complete
  • template_report_type
  • template_reported_members
  • template_reported_members_block
  • template_reported_posts
  • template_reported_posts_block
  • template_reported_users_block
  • template_resend
  • template_reset_list
  • template_results
  • template_retry_activate
  • template_rules
  • template_search
  • template_search_members
  • template_search_results
  • template_select
  • template_select_search_method
  • template_send
  • template_sendbody
  • template_sent
  • template_serialize_json
  • template_serialize_json_xml
  • template_servers
  • template_set_options
  • template_set_password
  • template_set_settings
  • template_setorder
  • template_settings
  • template_show_backtrace
  • template_show_custom_profile
  • template_show_file
  • template_show_list
  • template_show_month_grid
  • template_show_notice
  • template_show_settings
  • template_show_spider_logs
  • template_show_spider_stats
  • template_show_upcoming_list
  • template_show_week_grid
  • template_showAlerts
  • template_showDrafts
  • template_showPermissions
  • template_showPMDrafts
  • template_showPosts
  • template_single_pm
  • template_single_post
  • template_spellcheck
  • template_spider_edit
  • template_split
  • template_ssi_above
  • template_ssi_below
  • template_statPanel
  • template_stats
  • template_subject_list
  • template_summary
  • template_terms
  • template_tfadisable
  • template_tfasetup
  • template_tfasetup_backup
  • template_thetime
  • template_topic_legend
  • template_trackActivity
  • template_trackIP
  • template_unapproved_posts
  • template_unread
  • template_upgrade_above
  • template_upgrade_below
  • template_upgrade_complete
  • template_upgrade_options
  • template_user_subscription
  • template_user_watch_post_callback
  • template_verification_sound
  • template_view_operations
  • template_view_package
  • template_view_scheduled_tasks
  • template_view_versions
  • template_viewmemberreport
  • template_viewmodreport
  • template_viewWarning
  • template_warn_template
  • template_warning
  • template_warning_divs
  • template_watched_users
  • template_welcome_message
  • template_xml_above
  • template_xml_below
  • TestMailSend
  • text2words
  • textfield_alter
  • tfadisable
  • tfasetup
  • theme
  • theme_copyright
  • theme_inline_permissions
  • theme_install
  • theme_linktree
  • ThemeAdmin
  • ThemeInstall
  • ThemeList
  • ThemesMain
  • throw_error
  • time_since
  • timeformat
  • TopicNotify
  • trackActivity
  • trackEdits
  • trackGroupReq
  • tracking
  • TrackIP
  • TrackLogins
  • trackStats
  • trackStatsUsersOnline
  • TransferAttachments
  • truncate_array
  • un_htmlspecialchars
  • un_preparsecode
  • UnapprovedAttachments
  • UnapprovedPosts
  • unescapestring__recursive
  • UnreadTopics
  • updateAdminPreferences
  • updateBanGroup
  • updateBanMembers
  • updateBoardManagers
  • updateChildPermissions
  • updateDbLastError
  • updateLastMessages
  • updateMemberData
  • updateReport
  • updateSettings
  • updateSettingsFile
  • updateStats
  • updateTriggers
  • upgrade_clean_cache
  • upgrade_query
  • upgradeExit
  • upgradeGetColumnInfo
  • UpgradeOptions
  • url_exists
  • url_image_size
  • url_parts
  • url_to_iri
  • urldecode__recursive
  • user_info_callback
  • utf8_strtolower
  • utf8_strtoupper
  • validate_iri
  • validateEventPost
  • validatePassword
  • validatePasswordFlood
  • validateSession
  • validateToken
  • validateTriggers
  • validateUsername
  • VerificationCode
  • VersionDetail
  • ViewBacktrace
  • ViewErrorLog
  • ViewFile
  • ViewMemberlist
  • ViewMembers
  • ViewModlog
  • ViewOperations
  • ViewQuery
  • ViewSpiders
  • ViewSubscribedUsers
  • ViewSubscriptions
  • viewWarning
  • ViewWarningLog
  • ViewWarnings
  • ViewWarningTemplates
  • ViewWatchedUsers
  • Vote
  • warning_preview
  • Welcome
  • WelcomeLogin
  • Who
  • WrapAction
  • writeLog
  • XmlDraft
  • XMLhttpMain
  • Overview
  • Namespace
  • Class
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<?php

namespace MatthiasMullie\Minify;

/**
 * JavaScript minifier.
 *
 * Please report bugs on https://github.com/matthiasmullie/minify/issues
 *
 * @author Matthias Mullie <minify@mullie.eu>
 * @author Tijs Verkoyen <minify@verkoyen.eu>
 * @copyright Copyright (c) 2012, Matthias Mullie. All rights reserved
 * @license MIT License
 */
class JS extends Minify
{
    /**
     * Var-matching regex based on https://stackoverflow.com/a/9337047/802993.
     *
     * Note that regular expressions using that bit must have the PCRE_UTF8
     * pattern modifier (/u) set.
     *
     * @var string
     */
    const REGEX_VARIABLE = 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    /**
     * Full list of JavaScript reserved words.
     * Will be loaded from /data/js/keywords_reserved.txt.
     *
     * @see https://mathiasbynens.be/notes/reserved-keywords
     *
     * @var string[]
     */
    protected $keywordsReserved = array();

    /**
     * List of JavaScript reserved words that accept a <variable, value, ...>
     * after them. Some end of lines are not the end of a statement, like with
     * these keywords.
     *
     * E.g.: we shouldn't insert a ; after this else
     * else
     *     console.log('this is quite fine')
     *
     * Will be loaded from /data/js/keywords_before.txt
     *
     * @var string[]
     */
    protected $keywordsBefore = array();

    /**
     * List of JavaScript reserved words that accept a <variable, value, ...>
     * before them. Some end of lines are not the end of a statement, like when
     * continued by one of these keywords on the newline.
     *
     * E.g.: we shouldn't insert a ; before this instanceof
     * variable
     *     instanceof String
     *
     * Will be loaded from /data/js/keywords_after.txt
     *
     * @var string[]
     */
    protected $keywordsAfter = array();

    /**
     * List of all JavaScript operators.
     *
     * Will be loaded from /data/js/operators.txt
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators
     *
     * @var string[]
     */
    protected $operators = array();

    /**
     * List of JavaScript operators that accept a <variable, value, ...> after
     * them. Some end of lines are not the end of a statement, like with these
     * operators.
     *
     * Note: Most operators are fine, we've only removed !, ++ and --.
     * There can't be a newline separating ! and whatever it is negating.
     * ++ & -- have to be joined with the value they're in-/decrementing.
     *
     * Will be loaded from /data/js/operators_before.txt
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators
     *
     * @var string[]
     */
    protected $operatorsBefore = array();

    /**
     * List of JavaScript operators that accept a <variable, value, ...> before
     * them. Some end of lines are not the end of a statement, like when
     * continued by one of these operators on the newline.
     *
     * Note: Most operators are fine, we've only removed ), ], ++ and --.
     * ++ & -- have to be joined with the value they're in-/decrementing.
     * ) & ] are "special" in that they have lots or usecases. () for example
     * is used for function calls, for grouping, in if () and for (), ...
     *
     * Will be loaded from /data/js/operators_after.txt
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators
     *
     * @var string[]
     */
    protected $operatorsAfter = array();

    /**
     * {@inheritdoc}
     */
    public function __construct()
    {
        call_user_func_array(array('parent', '__construct'), func_get_args());

        $dataDir = __DIR__.'/../data/js/';
        $options = FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES;
        $this->keywordsReserved = file($dataDir.'keywords_reserved.txt', $options);
        $this->keywordsBefore = file($dataDir.'keywords_before.txt', $options);
        $this->keywordsAfter = file($dataDir.'keywords_after.txt', $options);
        $this->operators = file($dataDir.'operators.txt', $options);
        $this->operatorsBefore = file($dataDir.'operators_before.txt', $options);
        $this->operatorsAfter = file($dataDir.'operators_after.txt', $options);
    }

    /**
     * Minify the data.
     * Perform JS optimizations.
     *
     * @param string[optional] $path Path to write the data to
     *
     * @return string The minified data
     */
    public function execute($path = null)
    {
        $content = '';

        // loop files
        foreach ($this->data as $source => $js) {
            /*
             * Combine js: separating the scripts by a ;
             * I'm also adding a newline: it will be eaten when whitespace is
             * stripped, but we need to make sure we're not just appending
             * a new script right after a previous script that ended with a
             * singe-line comment on the last line (in which case it would also
             * be seen as part of that comment)
             */
            $content .= $js."\n;";
        }

        /*
         * Let's first take out strings, comments and regular expressions.
         * All of these can contain JS code-like characters, and we should make
         * sure any further magic ignores anything inside of these.
         *
         * Consider this example, where we should not strip any whitespace:
         * var str = "a   test";
         *
         * Comments will be removed altogether, strings and regular expressions
         * will be replaced by placeholder text, which we'll restore later.
         */
        $this->extractStrings('\'"`');
        $this->stripComments();
        $this->extractRegex();
        $content = $this->replace($content);

        $content = $this->propertyNotation($content);
        $content = $this->shortenBools($content);
        $content = $this->stripWhitespace($content);

        /*
         * Earlier, we extracted strings & regular expressions and replaced them
         * with placeholder text. This will restore them.
         */
        $content = $this->restoreExtractedData($content);

        return $content;
    }

    /**
     * Strip comments from source code.
     */
    protected function stripComments()
    {
        // single-line comments
        $this->registerPattern('/\/\/.*$/m', '');

        // multi-line comments
        $this->registerPattern('/\/\*.*?\*\//s', '');
    }

    /**
     * JS can have /-delimited regular expressions, like: /ab+c/.match(string).
     *
     * The content inside the regex can contain characters that may be confused
     * for JS code: e.g. it could contain whitespace it needs to match & we
     * don't want to strip whitespace in there.
     *
     * The regex can be pretty simple: we don't have to care about comments,
     * (which also use slashes) because stripComments() will have stripped those
     * already.
     *
     * This method will replace all string content with simple REGEX#
     * placeholder text, so we've rid all regular expressions from characters
     * that may be misinterpreted. Original regex content will be saved in
     * $this->extracted and after doing all other minifying, we can restore the
     * original content via restoreRegex()
     */
    protected function extractRegex()
    {
        // PHP only supports $this inside anonymous functions since 5.4
        $minifier = $this;
        $callback = function ($match) use ($minifier) {
            $count = count($minifier->extracted);
            $placeholder = '/'.$count.'/';
            $minifier->extracted[$placeholder] = $match[0];

            return $placeholder;
        };

        $pattern = '\/.+?(?<!\\\\)(\\\\\\\\)*\/[gimy]*(?![0-9a-zA-Z\/])';

        // a regular expression can only be followed by a few operators or some
        // of the RegExp methods (a `\` followed by a variable or value is
        // likely part of a division, not a regex)
        $after = '[\.,;\)\}]';
        $methods = '\.(exec|test|match|search|replace|split)\(';
        $this->registerPattern('/'.$pattern.'(?=\s*('.$after.'|'.$methods.'))/', $callback);

        // 1 more edge case: a regex can be followed by a lot more operators or
        // keywords if there's a newline (ASI) in between, where the operator
        // actually starts a new statement
        // (https://github.com/matthiasmullie/minify/issues/56)
        $operators = $this->getOperatorsForRegex($this->operatorsBefore, '/');
        $operators += $this->getOperatorsForRegex($this->keywordsReserved, '/');
        $this->registerPattern('/'.$pattern.'\s*\n(?=\s*('.implode('|', $operators).'))/', $callback);
    }

    /**
     * Strip whitespace.
     *
     * We won't strip *all* whitespace, but as much as possible. The thing that
     * we'll preserve are newlines we're unsure about.
     * JavaScript doesn't require statements to be terminated with a semicolon.
     * It will automatically fix missing semicolons with ASI (automatic semi-
     * colon insertion) at the end of line causing errors (without semicolon.)
     *
     * Because it's sometimes hard to tell if a newline is part of a statement
     * that should be terminated or not, we'll just leave some of them alone.
     *
     * @param string $content The content to strip the whitespace for
     *
     * @return string
     */
    protected function stripWhitespace($content)
    {
        // uniform line endings, make them all line feed
        $content = str_replace(array("\r\n", "\r"), "\n", $content);

        // collapse all non-line feed whitespace into a single space
        $content = preg_replace('/[^\S\n]+/', ' ', $content);

        // strip leading & trailing whitespace
        $content = str_replace(array(" \n", "\n "), "\n", $content);

        // collapse consecutive line feeds into just 1
        $content = preg_replace('/\n+/', "\n", $content);

        $operatorsBefore = $this->getOperatorsForRegex($this->operatorsBefore, '/');
        $operatorsAfter = $this->getOperatorsForRegex($this->operatorsAfter, '/');
        $operators = $this->getOperatorsForRegex($this->operators, '/');
        $keywordsBefore = $this->getKeywordsForRegex($this->keywordsBefore, '/');
        $keywordsAfter = $this->getKeywordsForRegex($this->keywordsAfter, '/');

        // strip whitespace that ends in (or next line begin with) an operator
        // that allows statements to be broken up over multiple lines
        unset($operatorsBefore['+'], $operatorsBefore['-'], $operatorsAfter['+'], $operatorsAfter['-']);
        $content = preg_replace(
            array(
                '/('.implode('|', $operatorsBefore).')\s+/',
                '/\s+('.implode('|', $operatorsAfter).')/',
            ), '\\1', $content
        );

        // make sure + and - can't be mistaken for, or joined into ++ and --
        $content = preg_replace(
            array(
                '/(?<![\+\-])\s*([\+\-])(?![\+\-])/',
                '/(?<![\+\-])([\+\-])\s*(?![\+\-])/',
            ), '\\1', $content
        );

        // collapse whitespace around reserved words into single space
        $content = preg_replace('/(^|[;\}\s])\K('.implode('|', $keywordsBefore).')\s+/', '\\2 ', $content);
        $content = preg_replace('/\s+('.implode('|', $keywordsAfter).')(?=([;\{\s]|$))/', ' \\1', $content);

        /*
         * We didn't strip whitespace after a couple of operators because they
         * could be used in different contexts and we can't be sure it's ok to
         * strip the newlines. However, we can safely strip any non-line feed
         * whitespace that follows them.
         */
        $operatorsDiffBefore = array_diff($operators, $operatorsBefore);
        $operatorsDiffAfter = array_diff($operators, $operatorsAfter);
        $content = preg_replace('/('.implode('|', $operatorsDiffBefore).')[^\S\n]+/', '\\1', $content);
        $content = preg_replace('/[^\S\n]+('.implode('|', $operatorsDiffAfter).')/', '\\1', $content);

        /*
         * Get rid of double semicolons, except where they can be used like:
         * "for(v=1,_=b;;)", "for(v=1;;v++)" or "for(;;ja||(ja=true))".
         * I'll safeguard these double semicolons inside for-loops by
         * temporarily replacing them with an invalid condition: they won't have
         * a double semicolon and will be easy to spot to restore afterwards.
         */
        $content = preg_replace('/\bfor\(([^;]*);;([^;]*)\)/', 'for(\\1;-;\\2)', $content);
        $content = preg_replace('/;+/', ';', $content);
        $content = preg_replace('/\bfor\(([^;]*);-;([^;]*)\)/', 'for(\\1;;\\2)', $content);

        /*
         * Next, we'll be removing all semicolons where ASI kicks in.
         * for-loops however, can have an empty body (ending in only a
         * semicolon), like: `for(i=1;i<3;i++);`
         * Here, nothing happens during the loop; it's just used to keep
         * increasing `i`. With that ; omitted, the next line would be expected
         * to be the for-loop's body...
         * I'm going to double that semicolon (if any) so after the next line,
         * which strips semicolons here & there, we're still left with this one.
         */
        $content = preg_replace('/(for\([^;]*;[^;]*;[^;\{]*\));(\}|$)/s', '\\1;;\\2', $content);

        /*
         * We also can't strip empty else-statements. Even though they're
         * useless and probably shouldn't be in the code in the first place, we
         * shouldn't be stripping the `;` that follows it as it breaks the code.
         * We can just remove those useless else-statements completely.
         *
         * @see https://github.com/matthiasmullie/minify/issues/91
         */
        $content = preg_replace('/else;/s', '', $content);

        /*
         * We also don't really want to terminate statements followed by closing
         * curly braces (which we've ignored completely up until now) or end-of-
         * script: ASI will kick in here & we're all about minifying.
         * Semicolons at beginning of the file don't make any sense either.
         */
        $content = preg_replace('/;(\}|$)/s', '\\1', $content);
        $content = ltrim($content, ';');

        // get rid of remaining whitespace af beginning/end
        return trim($content);
    }

    /**
     * We'll strip whitespace around certain operators with regular expressions.
     * This will prepare the given array by escaping all characters.
     *
     * @param string[] $operators
     * @param string   $delimiter
     *
     * @return string[]
     */
    protected function getOperatorsForRegex(array $operators, $delimiter = '/')
    {
        // escape operators for use in regex
        $delimiter = array_fill(0, count($operators), $delimiter);
        $escaped = array_map('preg_quote', $operators, $delimiter);

        $operators = array_combine($operators, $escaped);

        // ignore + & - for now, they'll get special treatment
        unset($operators['+'], $operators['-']);

        // dot can not just immediately follow a number; it can be confused for
        // decimal point, or calling a method on it, e.g. 42 .toString()
        $operators['.'] = '(?<![0-9]\s)\.';

        // don't confuse = with other assignment shortcuts (e.g. +=)
        $chars = preg_quote('+-*\=<>%&|');
        $operators['='] = '(?<!['.$chars.'])\=';

        return $operators;
    }

    /**
     * We'll strip whitespace around certain keywords with regular expressions.
     * This will prepare the given array by escaping all characters.
     *
     * @param string[] $keywords
     * @param string   $delimiter
     *
     * @return string[]
     */
    protected function getKeywordsForRegex(array $keywords, $delimiter = '/')
    {
        // escape keywords for use in regex
        $delimiter = array_fill(0, count($keywords), $delimiter);
        $escaped = array_map('preg_quote', $keywords, $delimiter);

        // add word boundaries
        array_walk($keywords, function ($value) {
            return '\b'.$value.'\b';
        });

        $keywords = array_combine($keywords, $escaped);

        return $keywords;
    }

    /**
     * Replaces all occurrences of array['key'] by array.key.
     *
     * @param string $content
     *
     * @return string
     */
    protected function propertyNotation($content)
    {
        // PHP only supports $this inside anonymous functions since 5.4
        $minifier = $this;
        $keywords = $this->keywordsReserved;
        $callback = function ($match) use ($minifier, $keywords) {
            $property = trim($minifier->extracted[$match[1]], '\'"');

            /*
             * Check if the property is a reserved keyword. In this context (as
             * property of an object literal/array) it shouldn't matter, but IE8
             * freaks out with "Expected identifier".
             */
            if (in_array($property, $keywords)) {
                return $match[0];
            }

            /*
             * See if the property is in a variable-like format (e.g.
             * array['key-here'] can't be replaced by array.key-here since '-'
             * is not a valid character there.
             */
            if (!preg_match('/^'.$minifier::REGEX_VARIABLE.'$/u', $property)) {
                return $match[0];
            }

            return '.'.$property;
        };

        /*
         * Figure out if previous character is a variable name (of the array
         * we want to use property notation on) - this is to make sure
         * standalone ['value'] arrays aren't confused for keys-of-an-array.
         * We can (and only have to) check the last character, because PHP's
         * regex implementation doesn't allow unfixed-length look-behind
         * assertions.
         */
        preg_match('/(\[[^\]]+\])[^\]]*$/', static::REGEX_VARIABLE, $previousChar);
        $previousChar = $previousChar[1];

        /*
         * Make sure word preceding the ['value'] is not a keyword, e.g.
         * return['x']. Because -again- PHP's regex implementation doesn't allow
         * unfixed-length look-behind assertions, I'm just going to do a lot of
         * separate look-behind assertions, one for each keyword.
         */
        $keywords = $this->getKeywordsForRegex($keywords);
        $keywords = '(?<!'.implode(')(?<!', $keywords).')';

        return preg_replace_callback('/(?<='.$previousChar.'|\])'.$keywords.'\[\s*(([\'"])[0-9]+\\2)\s*\]/u', $callback, $content);
    }

    /**
     * Replaces true & false by !0 and !1.
     *
     * @param string $content
     *
     * @return string
     */
    protected function shortenBools($content)
    {
        $content = preg_replace('/\btrue\b(?!:)/', '!0', $content);
        $content = preg_replace('/\bfalse\b(?!:)/', '!1', $content);

        // for(;;) is exactly the same as while(true)
        $content = preg_replace('/\bwhile\(!0\){/', 'for(;;){', $content);

        // now make sure we didn't turn any do ... while(true) into do ... for(;;)
        preg_match_all('/\bdo\b/', $content, $dos, PREG_OFFSET_CAPTURE | PREG_SET_ORDER);

        // go backward to make sure positional offsets aren't altered when $content changes
        $dos = array_reverse($dos);
        foreach ($dos as $do) {
            $offsetDo = $do[0][1];

            // find all `while` (now `for`) following `do`: one of those must be
            // associated with the `do` and be turned back into `while`
            preg_match_all('/\bfor\(;;\)/', $content, $whiles, PREG_OFFSET_CAPTURE | PREG_SET_ORDER, $offsetDo);
            foreach ($whiles as $while) {
                $offsetWhile = $while[0][1];

                $open = substr_count($content, '{', $offsetDo, $offsetWhile - $offsetDo);
                $close = substr_count($content, '}', $offsetDo, $offsetWhile - $offsetDo);
                if ($open === $close) {
                    // only restore `while` if amount of `{` and `}` are the same;
                    // otherwise, that `for` isn't associated with this `do`
                    $content = substr_replace($content, 'while(!0)', $offsetWhile, strlen('for(;;)'));
                    break;
                }
            }
        }

        return $content;
    }
}
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