NameLocationDescription
BLOCK_REGION_NONEmodules/block/block.moduleDenotes that a block is not enabled in any region and should not be shown.
CACHE_AGGRESSIVEincludes/bootstrap.incIndicates that page caching is using "aggressive" mode. This bypasses loading any modules for additional speed, which may break functionality in modules that expect to be run on each page load.
CACHE_DISABLEDincludes/bootstrap.incIndicates that page caching is disabled.
CACHE_NORMALincludes/bootstrap.incIndicates that page caching is enabled, using "normal" mode.
CACHE_PERMANENTincludes/bootstrap.incIndicates that the item should never be removed unless explicitly told to using cache_clear_all() with a cache ID.
CACHE_TEMPORARYincludes/bootstrap.incIndicates that the item should be removed at the next general cache wipe.
COMMENT_ANONYMOUS_MAYNOT_CONTACTmodules/comment/comment.moduleAnonymous posters may not enter their contact information.
COMMENT_ANONYMOUS_MAY_CONTACTmodules/comment/comment.moduleAnonymous posters may leave their contact information.
COMMENT_ANONYMOUS_MUST_CONTACTmodules/comment/comment.moduleAnonymous posters must leave their contact information.
COMMENT_CONTROLS_ABOVEmodules/comment/comment.moduleComment controls should be shown above the comment list.
COMMENT_CONTROLS_ABOVE_BELOWmodules/comment/comment.moduleComment controls should be shown both above and below the comment list.
COMMENT_CONTROLS_BELOWmodules/comment/comment.moduleComment controls should be shown below the comment list.
COMMENT_CONTROLS_HIDDENmodules/comment/comment.moduleComment controls are hidden.
COMMENT_FORM_BELOWmodules/comment/comment.moduleComment form should be shown below post or list of comments.
COMMENT_FORM_SEPARATE_PAGEmodules/comment/comment.moduleComment form should be displayed on a separate page.
COMMENT_MODE_FLAT_COLLAPSEDmodules/comment/comment.moduleComments are displayed in a flat list - collapsed.
COMMENT_MODE_FLAT_EXPANDEDmodules/comment/comment.moduleComments are displayed in a flat list - expanded.
COMMENT_MODE_THREADED_COLLAPSEDmodules/comment/comment.moduleComments are displayed as a threaded list - collapsed.
COMMENT_MODE_THREADED_EXPANDEDmodules/comment/comment.moduleComments are displayed as a threaded list - expanded.
COMMENT_NODE_DISABLEDmodules/comment/comment.moduleComments for this node are disabled.
COMMENT_NODE_READ_ONLYmodules/comment/comment.moduleComments for this node are locked.
COMMENT_NODE_READ_WRITEmodules/comment/comment.moduleComments are enabled on this node.
COMMENT_NOT_PUBLISHEDmodules/comment/comment.moduleComment is awaiting approval.
COMMENT_ORDER_NEWEST_FIRSTmodules/comment/comment.moduleComments are ordered by date - newest first.
COMMENT_ORDER_OLDEST_FIRSTmodules/comment/comment.moduleComments are ordered by date - oldest first.
COMMENT_PREVIEW_OPTIONALmodules/comment/comment.moduleComment preview is optional.
COMMENT_PREVIEW_REQUIREDmodules/comment/comment.moduleComment preview is required.
COMMENT_PUBLISHEDmodules/comment/comment.moduleComment is published.
DB_QUERY_REGEXPincludes/database.incIndicates the place holders that should be replaced in _db_query_callback().
DRUPAL_ANONYMOUS_RIDincludes/bootstrap.incRole ID for anonymous users; should match what's in the "role" table.
DRUPAL_AUTHENTICATED_RIDincludes/bootstrap.incRole ID for authenticated users; should match what's in the "role" table.
DRUPAL_BOOTSTRAP_ACCESSincludes/bootstrap.incFourth bootstrap phase: identify and reject banned hosts.
DRUPAL_BOOTSTRAP_CONFIGURATIONincludes/bootstrap.incFirst bootstrap phase: initialize configuration.
DRUPAL_BOOTSTRAP_DATABASEincludes/bootstrap.incThird bootstrap phase: initialize database layer.
DRUPAL_BOOTSTRAP_EARLY_PAGE_CACHEincludes/bootstrap.incSecond bootstrap phase: try to call a non-database cache fetch routine.
DRUPAL_BOOTSTRAP_FULLincludes/bootstrap.incFinal bootstrap phase: Drupal is fully loaded; validate and fix input data.
DRUPAL_BOOTSTRAP_LATE_PAGE_CACHEincludes/bootstrap.incSixth bootstrap phase: load bootstrap.inc and module.inc, start the variable system and try to serve a page from the cache.
DRUPAL_BOOTSTRAP_PATHincludes/bootstrap.incSeventh bootstrap phase: set $_GET['q'] to Drupal path of request.
DRUPAL_BOOTSTRAP_SESSIONincludes/bootstrap.incFifth bootstrap phase: initialize session handling.
DRUPAL_MINIMUM_MYSQLmodules/system/system.install
DRUPAL_MINIMUM_PGSQLmodules/system/system.install
DRUPAL_MINIMUM_PHPmodules/system/system.install
EMAIL_MAX_LENGTHmodules/user/user.module
FILE_CREATE_DIRECTORYincludes/file.inc
FILE_DOWNLOADS_PRIVATEincludes/file.inc
FILE_DOWNLOADS_PUBLICincludes/file.inc
FILE_EXECUTABLEincludes/install.inc
FILE_EXISTincludes/install.inc
FILE_EXISTS_ERRORincludes/file.inc
FILE_EXISTS_RENAMEincludes/file.inc