Documentation & API reference
Constants
Primary tabs
| Name | Location | Description |
Direct uses |
Strings |
|---|---|---|---|---|
| NODE_STICKY |
drupal/ |
Denotes that the node is sticky at the top of the page. | 2 | |
| NODE_ACCESS_ALLOW |
drupal/ |
Denotes that access is allowed for a node. | 2 | |
| NODE_ACCESS_DENY |
drupal/ |
Denotes that access is denied for a node. | 2 | |
| EMAIL_MAX_LENGTH |
drupal/ |
Maximum length of user e-mail text field. | 2 | 1 |
| LOCALE_TRANSLATION_DOWNLOADED |
drupal/ |
Translation source is a downloaded file. | 2 | |
| FILTER_TYPE_MARKUP_LANGUAGE |
drupal/ |
Non-HTML markup language filters that generate HTML. | 2 | |
| FILTER_TYPE_TRANSFORM_REVERSIBLE |
drupal/ |
Reversible transformation filters. | 2 | |
| FILTER_TYPE_TRANSFORM_IRREVERSIBLE |
drupal/ |
Irreversible transformation filters. | 2 | |
| COMMENT_ANONYMOUS_MAYNOT_CONTACT |
drupal/ |
Anonymous posters cannot enter their contact information. | 2 | |
| COMMENT_ANONYMOUS_MAY_CONTACT |
drupal/ |
Anonymous posters may leave their contact information. | 2 | |
| BLOCK_VISIBILITY_LISTED |
drupal/ |
Shows this block on only the listed pages. | 2 | |
| BLOCK_VISIBILITY_PHP |
drupal/ |
Shows this block if the associated PHP code returns TRUE. | 2 | |
| FILE_URL_TEST_CDN_1 |
drupal/ |
2 | ||
| ENTITY_TEST_TYPES_REVISABLE |
drupal/ |
Filter that limits test entity list to revisable ones. | 2 | |
| ENTITY_TEST_TYPES_MULTILINGUAL |
drupal/ |
Filter that limits test entity list to multilingual ones. | 2 | |
| LANGUAGE_NEGOTIATION_INTERFACE |
drupal/ |
The language is determined using the current interface language. | 2 | |
| VIEWS_HANDLER_RENDER_TEXT_PHASE_EMPTY |
drupal/ |
Indicator of the renderText() method for rendering the empty text. | 2 | 1 |
| REQUIREMENT_INFO |
drupal/ |
Requirement severity -- Informational message only. | 3 | |
| FILE_EXECUTABLE |
drupal/ |
File permission check -- File is executable. | 3 | |
| FILE_NOT_READABLE |
drupal/ |
File permission check -- File is not readable. | 3 | |
| FILE_NOT_EXECUTABLE |
drupal/ |
File permission check -- File is not executable. | 3 | |
| STREAM_WRAPPERS_LOCAL_HIDDEN |
drupal/ |
Stream wrapper type flag -- hidden, readable and writeable using local files. | 3 | 1 |
| MARK_READ |
drupal/ |
Mark content as read. | 3 | |
| MARK_UPDATED |
drupal/ |
Mark content as being updated. | 3 | |
| DRUPAL_CACHE_PER_PAGE |
drupal/ |
The block or element can change depending on the page being viewed. | 3 | |
| MENU_IS_LOCAL_TASK |
drupal/ |
Internal menu flag -- menu item is a local task. | 3 | |
| INSTALL_TASK_SKIP |
drupal/ |
Do not run the task during the current installation request. | 3 | |
| INSTALL_TASK_RUN_IF_NOT_COMPLETED |
drupal/ |
Run the task on each installation request until the database is set up. | 3 | |
| DRUPAL_BOOTSTRAP_DATABASE |
drupal/ |
Fourth bootstrap phase: initialize database layer. | 3 | |
| DRUPAL_BOOTSTRAP_SESSION |
drupal/ |
Sixth bootstrap phase: initialize session handling. | 3 | |
| DRUPAL_BOOTSTRAP_CODE |
drupal/ |
Eighth bootstrap phase: load code for subsystems and modules. | 3 | |
| DRUPAL_KILOBYTE |
drupal/ |
The number of bytes in a kilobyte. | 3 | |
| FIELD_BEHAVIOR_DEFAULT |
drupal/ |
Value for field API concerning widget default and multiple value settings. | 3 | |
| FIELD_LOAD_REVISION |
drupal/ |
Load the version of an entity's field data specified in the entity. | 3 | 1 |
| TAXONOMY_HIERARCHY_DISABLED |
drupal/ |
Denotes that no term in the vocabulary has a parent. | 3 | |
| AGGREGATOR_CLEAR_NEVER |
drupal/ |
Denotes that a feed's items should never expire. | 3 | |
| NODE_PROMOTED |
drupal/ |
Denotes that the node is promoted to the front page. | 3 | |
| NODE_NOT_STICKY |
drupal/ |
Denotes that the node is not sticky at the top of the page. | 3 | |
| LOCALE_TRANSLATION_USE_SOURCE_LOCAL |
drupal/ |
Translation update mode: Use local files only. | 3 | |
| LOCALE_TRANSLATION_OVERWRITE_NON_CUSTOMIZED |
drupal/ |
UI option for override of existing translations. Only override non-customized translations. | 3 | |
| LOCALE_TRANSLATION_OVERWRITE_NONE |
drupal/ |
UI option for override of existing translations. Don't override existing translations. | 3 | |
| FILE_URL_TEST_CDN_2 |
drupal/ |
3 | ||
| MAIL_LINE_ENDINGS |
drupal/ |
Auto-detect appropriate line endings for e-mails. | 3 | 1 |
| LANGUAGE_NEGOTIATION_URL |
drupal/ |
The language is determined using path prefix or domain. | 3 | |
| MENU_MAX_MENU_NAME_LENGTH_UI |
drupal/ |
Maximum length of menu name as entered by the user. Database length is 32 and we add a menu- prefix. | 3 | |
| MARK_NEW |
drupal/ |
Mark content as being new. | 4 | |
| MENU_VISIBLE_IN_TREE |
drupal/ |
Internal menu flag -- menu item is visible in the menu tree. | 4 | |
| MENU_LINKS_TO_PARENT |
drupal/ |
Internal menu flag -- menu item links back to its parent. | 4 | |
| MENU_SITE_OFFLINE |
drupal/ |
Internal menu status code -- Menu item inaccessible because site is offline. | 4 | |
| MENU_SITE_ONLINE |
drupal/ |
Internal menu status code -- Everything is working fine. | 4 |