Constants

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Name Location Description Direct uses Stringssort ascending
MENU_IS_ROOT drupal/core/includes/menu.inc Internal menu flag -- menu item is the root of the menu tree.
MENU_VISIBLE_IN_TREE drupal/core/includes/menu.inc Internal menu flag -- menu item is visible in the menu tree. 3
MENU_VISIBLE_IN_BREADCRUMB drupal/core/includes/menu.inc Internal menu flag -- menu item is visible in the breadcrumb. 8
MENU_LINKS_TO_PARENT drupal/core/includes/menu.inc Internal menu flag -- menu item links back to its parent. 4
MENU_MODIFIED_BY_ADMIN drupal/core/includes/menu.inc Internal menu flag -- menu item can be modified by administrator.
MENU_CREATED_BY_ADMIN drupal/core/includes/menu.inc Internal menu flag -- menu item was created by administrator.
MENU_IS_LOCAL_TASK drupal/core/includes/menu.inc Internal menu flag -- menu item is a local task. 3
MENU_IS_LOCAL_ACTION drupal/core/includes/menu.inc Internal menu flag -- menu item is a local action. 1
MENU_CALLBACK drupal/core/includes/menu.inc Menu type -- A hidden, internal callback, typically used for API calls. 40
MENU_CONTEXT_NONE drupal/core/includes/menu.inc Internal menu flag: Invisible local task. 2
MENU_CONTEXT_PAGE drupal/core/includes/menu.inc Internal menu flag: Local task should be displayed in page context. 7
MENU_CONTEXT_INLINE drupal/core/includes/menu.inc Internal menu flag: Local task should be displayed inline. 8
MENU_NOT_FOUND drupal/core/includes/menu.inc Internal menu status code -- Menu item was not found. 3
MENU_ACCESS_DENIED drupal/core/includes/menu.inc Internal menu status code -- Menu item access is denied. 1
MENU_SITE_OFFLINE drupal/core/includes/menu.inc Internal menu status code -- Menu item inaccessible because site is offline. 7
MENU_SITE_ONLINE drupal/core/includes/menu.inc Internal menu status code -- Everything is working fine. 6
MENU_MAX_PARTS drupal/core/includes/menu.inc The maximum number of path elements for a menu callback 4
MENU_MAX_DEPTH drupal/core/includes/menu.inc The maximum depth of a menu links tree - matches the number of p columns. 17
MENU_PREFERRED_LINK drupal/core/includes/menu.inc Reserved key to identify the most specific menu link for a given path. 1
OPENID_DH_DEFAULT_GEN drupal/core/modules/openid/openid.inc Diffie-Hellman generator; used for Diffie-Hellman key exchange computations. 2
OPENID_RAND_SOURCE drupal/core/modules/openid/openid.inc Random number generator; used for Diffie-Hellman key exchange computations. 1
OPENID_NS_2_0 drupal/core/modules/openid/openid.inc OpenID Authentication 2.0 namespace URL. 3
OPENID_NS_1_1 drupal/core/modules/openid/openid.inc OpenID Authentication 1.1 namespace URL; used for backwards-compatibility. 1
OPENID_NS_1_0 drupal/core/modules/openid/openid.inc OpenID Authentication 1.0 namespace URL; used for backwards-compatibility. 1
OPENID_NS_OPENID drupal/core/modules/openid/openid.inc OpenID namespace used in Yadis documents.
OPENID_NS_SREG drupal/core/modules/openid/openid.inc OpenID Simple Registration extension. 3
OPENID_NS_AX drupal/core/modules/openid/openid.inc OpenID Attribute Exchange extension. 2
OPENID_NS_XRD drupal/core/modules/openid/openid.inc Extensible Resource Descriptor documents.
VIEWS_API_VERSION drupal/core/modules/views/views.module Views API version string.
DRUPAL_MAXIMUM_TEMP_FILE_AGE drupal/core/modules/system/system.module Maximum age of temporary files in seconds. 2
DRUPAL_USER_TIMEZONE_DEFAULT drupal/core/modules/system/system.module New users will be set to the default time zone at registration.
DRUPAL_USER_TIMEZONE_EMPTY drupal/core/modules/system/system.module New users will get an empty time zone at registration.
DRUPAL_USER_TIMEZONE_SELECT drupal/core/modules/system/system.module New users will select their own timezone at registration. 1
DRUPAL_DISABLED drupal/core/modules/system/system.module Disabled option on forms and settings 15
DRUPAL_OPTIONAL drupal/core/modules/system/system.module Optional option on forms and settings 18
DRUPAL_REQUIRED drupal/core/modules/system/system.module Required option on forms and settings 7
REGIONS_VISIBLE drupal/core/modules/system/system.module Return only visible regions. 5
REGIONS_ALL drupal/core/modules/system/system.module Return all regions. 1
AGGREGATOR_CLEAR_NEVER drupal/core/modules/aggregator/aggregator.module Denotes that a feed's items should never expire. 3
FIELD_CARDINALITY_UNLIMITED drupal/core/modules/field/field.module Value for field API indicating a field accepts an unlimited number of values. 32
FIELD_BEHAVIOR_NONE drupal/core/modules/field/field.module Value for field API indicating a widget doesn't accept default values.
FIELD_BEHAVIOR_DEFAULT drupal/core/modules/field/field.module Value for field API concerning widget default and multiple value settings. 3
FIELD_BEHAVIOR_CUSTOM drupal/core/modules/field/field.module Value for field API indicating a widget can receive several field values. 1
FIELD_STORAGE_UPDATE drupal/core/modules/field/field.attach.inc Argument for an update operation. 4
FIELD_STORAGE_INSERT drupal/core/modules/field/field.attach.inc Argument for an insert operation. 1
NODE_NOT_PUBLISHED drupal/core/modules/node/node.module Denotes that the node is not published. 6
NODE_PUBLISHED drupal/core/modules/node/node.module Denotes that the node is published. 7
NODE_NOT_PROMOTED drupal/core/modules/node/node.module Denotes that the node is not promoted to the front page. 4
NODE_PROMOTED drupal/core/modules/node/node.module Denotes that the node is promoted to the front page. 5
NODE_NOT_STICKY drupal/core/modules/node/node.module Denotes that the node is not sticky at the top of the page. 4

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