NameLocationDescription
IMAGE_STORAGE_MODULEmodules/image/image.moduleImage style constant to represent any module-based preset.
IMAGE_STORAGE_NORMALmodules/image/image.moduleImage style constant for user presets in the database.
IMAGE_STORAGE_OVERRIDEmodules/image/image.moduleImage style constant for user presets that override module-defined presets.
INSTALL_TASK_RUN_IF_NOT_COMPLETEDincludes/install.core.incGlobal flag to indicate that a task should be run on each installation request that reaches it, until the database is set up and we are able to record the fact that it already ran.
INSTALL_TASK_RUN_IF_REACHEDincludes/install.core.incGlobal flag to indicate that a task should be run on each installation request that reaches it.
INSTALL_TASK_SKIPincludes/install.core.incGlobal flag to indicate that a task should not be run during the current installation request.
JS_DEFAULTincludes/common.incThe default group for module JavaScript code added to the page.
JS_LIBRARYincludes/common.incThe default group for JavaScript libraries, settings or jQuery plugins added to the page.
JS_THEMEincludes/common.incThe default group for theme JavaScript code added to the page.
LANGUAGE_LTRincludes/bootstrap.incLanguage written left to right. Possible value of $language->direction.
LANGUAGE_NEGOTIATION_DEFAULTincludes/language.incNo language negotiation. The default language is used.
LANGUAGE_NONEincludes/bootstrap.incThe language code used when no language is explicitly assigned.
LANGUAGE_RTLincludes/bootstrap.incLanguage written right to left. Possible value of $language->direction.
LANGUAGE_TYPE_CONTENTincludes/bootstrap.incThe type of language used to define the content language.
LANGUAGE_TYPE_INTERFACEincludes/bootstrap.incThe type of language used to select the user interface.
LANGUAGE_TYPE_URLincludes/bootstrap.incThe type of language used for URLs.
LOCALE_IMPORT_KEEPincludes/locale.incTranslation import mode keeping existing translations and only inserting new strings.
LOCALE_IMPORT_OVERWRITEincludes/locale.incTranslation import mode overwriting all existing translations if new translated version available.
LOCALE_JS_STRINGincludes/locale.incRegular expression pattern used to localize JavaScript strings.
LOCALE_LANGUAGE_NEGOTIATION_BROWSERincludes/locale.incThe language is set based on the browser language settings.
LOCALE_LANGUAGE_NEGOTIATION_INTERFACEincludes/locale.incThe language is determined using the current interface language.
LOCALE_LANGUAGE_NEGOTIATION_SESSIONincludes/locale.incThe language is set based on the request/session parameters.
LOCALE_LANGUAGE_NEGOTIATION_URLincludes/locale.incThe language is determined using a URL language indicator: path prefix or domain according to the configuration.
LOCALE_LANGUAGE_NEGOTIATION_URL_DOMAINincludes/locale.incURL language negotiation: use the domain as URL language indicator.
LOCALE_LANGUAGE_NEGOTIATION_URL_FALLBACKincludes/locale.incIf no URL language is available language is determined using an already detected one.
LOCALE_LANGUAGE_NEGOTIATION_URL_PREFIXincludes/locale.incURL language negotiation: use the path prefix as URL language indicator.
LOCALE_LANGUAGE_NEGOTIATION_USERincludes/locale.incThe language is set based on the user language settings.
MAIL_LINE_ENDINGSincludes/mail.incAuto-detect appropriate line endings for e-mails.
MAINTENANCE_MODE./install.phpGlobal flag to indicate that site is in installation mode.
MAINTENANCE_MODE./update.phpGlobal flag indicating that update.php is being run.
MAINTENANCE_MODE./authorize.phpGlobal flag to identify update.php and authorize.php runs, and so avoid various unwanted operations, such as hook_init() and hook_exit() invokes, css/js preprocessing and translation, and solve some theming issues. This flag is checked on several…
MARK_NEWincludes/theme.incMark content as being new.
MARK_READincludes/theme.incMark content as read.
MARK_UPDATEDincludes/theme.incMark content as being updated.
MENU_ACCESS_DENIEDincludes/menu.incInternal menu status code -- Menu item access is denied.
MENU_CALLBACKincludes/menu.incMenu type -- A hidden, internal callback, typically used for API calls.
MENU_CONTEXT_INLINEincludes/menu.incInternal menu flag: Local task should be displayed inline.
MENU_CONTEXT_NONEincludes/menu.incInternal menu flag: Invisible local task.
MENU_CONTEXT_PAGEincludes/menu.incInternal menu flag: Local task should be displayed in page context.
MENU_CREATED_BY_ADMINincludes/menu.incInternal menu flag -- menu item was created by administrator.
MENU_DEFAULT_LOCAL_TASKincludes/menu.incMenu type -- The "default" local task, which is initially active.
MENU_FOUNDincludes/menu.incInternal menu status code -- Menu item was found.
MENU_IS_LOCAL_ACTIONincludes/menu.incInternal menu flag -- menu item is a local action.
MENU_IS_LOCAL_TASKincludes/menu.incInternal menu flag -- menu item is a local task.
MENU_IS_ROOTincludes/menu.incInternal menu flag -- menu item is the root of the menu tree.
MENU_LINKS_TO_PARENTincludes/menu.incInternal menu flag -- menu item links back to its parent.
MENU_LOCAL_ACTIONincludes/menu.incMenu type -- An action specific to the parent, usually rendered as a link.
MENU_LOCAL_TASKincludes/menu.incMenu type -- A task specific to the parent item, usually rendered as a tab.
MENU_MAX_DEPTHincludes/menu.incThe maximum depth of a menu links tree - matches the number of p columns.
MENU_MAX_MENU_NAME_LENGTH_UImodules/menu/menu.moduleMaximum length of menu name as entered by the user. Database length is 32 and we add a menu- prefix.