NameLocationDescription
MENU_MAX_PARTSincludes/menu.incThe maximum number of path elements for a menu callback
MENU_MODIFIED_BY_ADMINincludes/menu.incInternal menu flag -- menu item can be modified by administrator.
MENU_NORMAL_ITEMincludes/menu.incMenu type -- A "normal" menu item that's shown in menu and breadcrumbs.
MENU_NOT_FOUNDincludes/menu.incInternal menu status code -- Menu item was not found.
MENU_SITE_OFFLINEincludes/menu.incInternal menu status code -- Menu item inaccessible because site is offline.
MENU_SITE_ONLINEincludes/menu.incInternal menu status code -- Everything is working fine.
MENU_SUGGESTED_ITEMincludes/menu.incMenu type -- A normal menu item, hidden until enabled by an administrator.
MENU_VISIBLE_IN_BREADCRUMBincludes/menu.incInternal menu flag -- menu item is visible in the breadcrumb.
MENU_VISIBLE_IN_TREEincludes/menu.incInternal menu flag -- menu item is visible in the menu tree.
NODE_ACCESS_ALLOWmodules/node/node.moduleModules should return this value from hook_node_access() to allow access to a node.
NODE_ACCESS_DENYmodules/node/node.moduleModules should return this value from hook_node_access() to deny access to a node.
NODE_ACCESS_EXAMPLE_GRANT_ALLexamples/node_access_example/node_access_example.moduleHere we define a constant for our node access grant ID, for the node_access_example_view and node_access_example_edit realms. This ID could be any integer, but here we choose 23, because it is this author's favorite number.
NODE_ACCESS_IGNOREmodules/node/node.moduleModules should return this value from hook_node_access() to not affect node access.
NODE_NEW_LIMITmodules/node/node.moduleNodes changed before this time are always marked as read.
NODE_NOT_PROMOTEDmodules/node/node.moduleNode is not promoted to front page.
NODE_NOT_PUBLISHEDmodules/node/node.moduleNode is not published.
NODE_NOT_STICKYmodules/node/node.moduleNode is not sticky at top of the page.
NODE_PROMOTEDmodules/node/node.moduleNode is promoted to front page.
NODE_PUBLISHEDmodules/node/node.moduleNode is published.
NODE_STICKYmodules/node/node.moduleNode is sticky at top of the page.
OPENID_DH_DEFAULT_GENmodules/openid/openid.incDiffie-Hellman generator; used for Diffie-Hellman key exchange computations.
OPENID_DH_DEFAULT_MODmodules/openid/openid.incDiffie-Hellman Key Exchange Default Value.
OPENID_NS_1_0modules/openid/openid.incOpenID Authentication 1.0 namespace URL; used for backwards-compatibility.
OPENID_NS_1_1modules/openid/openid.incOpenID Authentication 1.1 namespace URL; used for backwards-compatibility.
OPENID_NS_2_0modules/openid/openid.incOpenID Authentication 2.0 namespace URL.
OPENID_NS_AXmodules/openid/openid.incOpenID Attribute Exchange extension.
OPENID_NS_OPENIDmodules/openid/openid.incOpenID namespace used in Yadis documents.
OPENID_NS_SREGmodules/openid/openid.incOpenID Simple Registration extension.
OPENID_NS_XRDmodules/openid/openid.incExtensible Resource Descriptor documents.
OPENID_RAND_SOURCEmodules/openid/openid.incRandom number generator; used for Diffie-Hellman key exchange computations.
OPENID_SHA1_BLOCKSIZEmodules/openid/openid.incSHA-1 hash block size; used for Diffie-Hellman key exchange computations.
PASS_THROUGHincludes/bootstrap.incFlag for drupal_set_title(); text has already been sanitized.
POSTGRESQL_NEXTID_LOCKincludes/database/pgsql/database.incThe name by which to obtain a lock for retrive the next insert id.
PREG_CLASS_CJKmodules/search/search.moduleMatches CJK (Chinese, Japanese, Korean) letter-like characters.
PREG_CLASS_NUMBERSmodules/search/search.moduleMatches all 'N' Unicode character classes (numbers)
PREG_CLASS_PUNCTUATIONmodules/search/search.moduleMatches all 'P' Unicode character classes (punctuation)
PREG_CLASS_UNICODE_WORD_BOUNDARYincludes/unicode.incMatches Unicode characters that are word boundaries.
PROFILE_HIDDENmodules/profile/profile.moduleHidden profile field, only accessible by administrators, modules and themes.
PROFILE_PRIVATEmodules/profile/profile.modulePrivate field, content only available to privileged users.
PROFILE_PUBLICmodules/profile/profile.modulePublic field, content shown on profile page but not used on member list pages.
PROFILE_PUBLIC_LISTINGSmodules/profile/profile.modulePublic field, content shown on profile page and on member list pages.
RDF_DEFAULT_BUNDLEmodules/rdf/rdf.moduleRDF bundle flag: Default bundle.
REGIONS_ALLmodules/system/system.moduleReturn all regions.
REGIONS_VISIBLEmodules/system/system.moduleReturn only visible regions.
REGISTRY_RESET_LOOKUP_CACHEincludes/bootstrap.incSignals that the registry lookup cache should be reset.
REGISTRY_WRITE_LOOKUP_CACHEincludes/bootstrap.incSignals that the registry lookup cache should be written to storage.
REQUEST_TIMEincludes/bootstrap.incFor convenience, define a short form of the request time global.
REQUIRED_D6_SCHEMA_VERSIONincludes/update.incMinimum schema version of Drupal 6 required for upgrade to Drupal 7.
REQUIREMENT_ERRORincludes/install.incRequirement severity -- Error condition; abort installation.
REQUIREMENT_INFOincludes/install.incRequirement severity -- Informational message only.