Documentation & API reference
Constants
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Name |
Location | Description | Direct uses | Strings |
|---|---|---|---|---|
| IMAGE_DERIVATIVE_TOKEN |
drupal/ |
The name of the query parameter for image derivative tokens. | 1 | 1 |
| IMAGE_STORAGE_DEFAULT |
drupal/ |
Image style constant for module-defined presets in code. | 3 | 1 |
| IMAGE_STORAGE_EDITABLE |
drupal/ |
Image style constant to represent an editable preset. | 2 | 1 |
| IMAGE_STORAGE_MODULE |
drupal/ |
Image style constant to represent any module-based preset. | 1 | |
| IMAGE_STORAGE_NORMAL |
drupal/ |
Image style constant for user presets in the database. | 3 | 1 |
| IMAGE_STORAGE_OVERRIDE |
drupal/ |
Image style constant for user presets that override module-defined presets. | 3 | 1 |
| INSTALL_TASK_RUN_IF_NOT_COMPLETED |
drupal/ |
Global 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. | 3 | 1 |
| INSTALL_TASK_RUN_IF_REACHED |
drupal/ |
Run the task on each installation request until the database is set up. | 2 | 1 |
| INSTALL_TASK_SKIP |
drupal/ |
Do not run the task during the current installation request. | 3 | 1 |
| JS_DEFAULT |
drupal/ |
The default group for module JavaScript code added to the page. | 2 | 1 |
| JS_LIBRARY |
drupal/ |
The default group for JavaScript and jQuery libraries added to the page. | 4 | 1 |
| JS_THEME |
drupal/ |
The default group for theme JavaScript code added to the page. | 2 | 1 |
| LANGUAGE_LTR |
drupal/ |
Language written left to right. Possible value of $language->direction. | 9 | 1 |
| LANGUAGE_NEGOTIATION_DEFAULT |
drupal/ |
No language negotiation. The default language is used. | 7 | 1 |
| LANGUAGE_NONE |
drupal/ |
The language code used when no language is explicitly assigned. | 156 | 1 |
| LANGUAGE_RTL |
drupal/ |
Language written right to left. Possible value of $language->direction. | 6 | 1 |
| LANGUAGE_TYPE_CONTENT |
drupal/ |
The type of language used to define the content language. | 7 | 1 |
| LANGUAGE_TYPE_INTERFACE |
drupal/ |
The type of language used to select the user interface. | 14 | 1 |
| LANGUAGE_TYPE_URL |
drupal/ |
The type of language used for URLs. | 4 | 1 |
| LOCALE_IMPORT_KEEP |
drupal/ |
Translation import mode keeping existing translations and only inserting new strings. | 3 | 1 |
| LOCALE_IMPORT_OVERWRITE |
drupal/ |
Translation import mode overwriting all existing translations if new translated version available. | 1 | 1 |
| LOCALE_JS_OBJECT |
drupal/ |
Regular expression pattern used to match simple JS object literal. | 1 | 1 |
| LOCALE_JS_OBJECT_CONTEXT |
drupal/ |
Regular expression to match an object containing a key 'context'. | 1 | 1 |
| LOCALE_JS_STRING |
drupal/ |
Regular expression pattern used to localize JavaScript strings. | 1 | 1 |
| LOCALE_LANGUAGE_NEGOTIATION_BROWSER |
drupal/ |
The language is set based on the browser language settings. | 2 | 1 |
| LOCALE_LANGUAGE_NEGOTIATION_INTERFACE |
drupal/ |
The language is determined using the current interface language. | 2 | 1 |
| LOCALE_LANGUAGE_NEGOTIATION_SESSION |
drupal/ |
The language is set based on the request/session parameters. | 1 | 1 |
| LOCALE_LANGUAGE_NEGOTIATION_URL |
drupal/ |
The language is determined using a URL language indicator: path prefix or domain according to the configuration. | 5 | 1 |
| LOCALE_LANGUAGE_NEGOTIATION_URL_DOMAIN |
drupal/ |
URL language negotiation: use the domain as URL language indicator. | 5 | 1 |
| LOCALE_LANGUAGE_NEGOTIATION_URL_FALLBACK |
drupal/ |
If no URL language is available language is determined using an already detected one. | 1 | 1 |
| LOCALE_LANGUAGE_NEGOTIATION_URL_PREFIX |
drupal/ |
URL language negotiation: use the path prefix as URL language indicator. | 7 | 1 |
| LOCALE_LANGUAGE_NEGOTIATION_USER |
drupal/ |
The language is set based on the user language settings. | 1 | 1 |
| MAIL_LINE_ENDINGS |
drupal/ |
Auto-detect appropriate line endings for e-mails. | 3 | 1 |
| MAINTENANCE_MODE |
drupal/ |
Global flag to identify update.php and authorize.php runs. | 10 | 20 |
| MAINTENANCE_MODE |
drupal/ |
Global flag to indicate the site is in installation mode. | 10 | 20 |
| MAINTENANCE_MODE |
drupal/ |
Global flag indicating that update.php is being run. | 10 | 20 |
| MARK_NEW |
drupal/ |
Mark content as being new. | 3 | 1 |
| MARK_READ |
drupal/ |
Mark content as read. | 2 | 1 |
| MARK_UPDATED |
drupal/ |
Mark content as being updated. | 2 | 1 |
| MENU_ACCESS_DENIED |
drupal/ |
Menu status code -- Access denied. | 18 | 1 |
| MENU_CALLBACK |
drupal/ |
Menu type -- A hidden, internal callback, typically used for API calls. | 36 | 1 |
| MENU_CONTEXT_INLINE |
drupal/ |
Internal menu flag: Local task should be displayed inline. | 4 | 1 |
| MENU_CONTEXT_NONE |
drupal/ |
Internal menu flag: Invisible local task. | 2 | 1 |
| MENU_CONTEXT_PAGE |
drupal/ |
Internal menu flag: Local task should be displayed in page context. | 4 | 1 |
| MENU_CREATED_BY_ADMIN |
drupal/ |
Internal menu flag -- menu item was created by administrator. | 1 | |
| MENU_DEFAULT_LOCAL_TASK |
drupal/ |
Menu type -- The "default" local task, which is initially active. | 22 | 1 |
| MENU_FOUND |
drupal/ |
Internal menu status code -- Menu item was found. | 1 | |
| MENU_IS_LOCAL_ACTION |
drupal/ |
Internal menu flag -- menu item is a local action. | 1 | 1 |
| MENU_IS_LOCAL_TASK |
drupal/ |
Internal menu flag -- menu item is a local task. | 3 | 1 |
| MENU_IS_ROOT |
drupal/ |
Internal menu flag -- menu item is the root of the menu tree. | 1 |