Documentation & API reference
Constants
Primary tabs
Name |
Location | Description | Direct uses | Strings |
|---|---|---|---|---|
| LANGUAGE_NEGOTIATION_URL |
drupal/ |
The language is determined using path prefix or domain. | 3 | |
| LANGUAGE_NEGOTIATION_SESSION |
drupal/ |
The language is set based on the request/session parameters. | 1 | |
| LANGUAGE_NEGOTIATION_SELECTED |
drupal/ |
No language negotiation. The default language is used. | 6 | |
| LANGUAGE_NEGOTIATION_INTERFACE |
drupal/ |
The language is determined using the current interface language. | 2 | |
| LANGUAGE_NEGOTIATION_BROWSER |
drupal/ |
The language is set based on the browser language settings. | 1 | |
| LANGUAGE_MULTIPLE |
drupal/ |
The language code used when multiple languages could be applied. | 2 | |
| LANGUAGE_LTR |
drupal/ |
Language written left to right. Possible value of $language->direction. | 3 | |
| LANGUAGE_LOCKED |
drupal/ |
The language state when referring to locked languages. | 7 | |
| LANGUAGE_DEFAULT |
drupal/ |
Language code referring to the default language of data, e.g. of an entity. | 6 | |
| LANGUAGE_CONFIGURABLE |
drupal/ |
The language state when referring to configurable languages. | 7 | |
| LANGUAGE_ALL |
drupal/ |
The language state used when referring to all languages. | 22 | |
| JS_THEME |
drupal/ |
The default group for theme JavaScript code added to the page. | 2 | |
| JS_SETTING |
drupal/ |
The default group for JavaScript settings added to the page. | 1 | |
| JS_LIBRARY |
drupal/ |
The default group for JavaScript and jQuery libraries added to the page. | 4 | |
| JS_DEFAULT |
drupal/ |
The default group for module JavaScript code added to the page. | 5 | |
| INSTALL_TASK_SKIP |
drupal/ |
Do not run the task during the current installation request. | 3 | |
| INSTALL_TASK_RUN_IF_REACHED |
drupal/ |
Run the task on each installation request that reaches it. | 2 | |
| INSTALL_TASK_RUN_IF_NOT_COMPLETED |
drupal/ |
Run the task on each installation request until the database is set up. | 3 | |
| IMAGE_STORAGE_OVERRIDE |
drupal/ |
Image style constant for user presets that override module-defined presets. | 1 | |
| IMAGE_STORAGE_NORMAL |
drupal/ |
Image style constant for user presets in the database. | 1 | |
| IMAGE_STORAGE_MODULE |
drupal/ |
Image style constant to represent any module-based preset. | 1 | |
| IMAGE_STORAGE_EDITABLE |
drupal/ |
Image style constant to represent an editable preset. | 1 | 1 |
| IMAGE_STORAGE_DEFAULT |
drupal/ |
Image style constant for module-defined presets in code. | 1 | |
| HTTP_REQUEST_TIMEOUT |
drupal/ |
Error code indicating that the request exceeded the specified timeout. | 2 | |
| HISTORY_READ_LIMIT |
drupal/ |
Entities changed before this time are always shown as read. | 3 | 1 |
| FILTER_TYPE_TRANSFORM_REVERSIBLE |
drupal/ |
Reversible transformation filters. | ||
| FILTER_TYPE_TRANSFORM_IRREVERSIBLE |
drupal/ |
Irreversible transformation filters. | 1 | |
| FILTER_TYPE_MARKUP_LANGUAGE |
drupal/ |
Non-HTML markup language filters that generate HTML. | 4 | |
| FILTER_TYPE_HTML_RESTRICTOR |
drupal/ |
HTML tag and attribute restricting filters. | 5 | |
| FILE_WRITABLE |
drupal/ |
File permission check -- File is writable. | 5 | |
| FILE_URL_TEST_CDN_2 |
drupal/ |
3 | ||
| FILE_URL_TEST_CDN_1 |
drupal/ |
2 | ||
| FILE_STATUS_PERMANENT |
drupal/ |
Indicates that the file is permanent and should not be deleted. | 17 | |
| FILE_READABLE |
drupal/ |
File permission check -- File is readable. | 6 | |
| FILE_NOT_WRITABLE |
drupal/ |
File permission check -- File is not writable. | 4 | |
| FILE_NOT_READABLE |
drupal/ |
File permission check -- File is not readable. | 3 | |
| FILE_NOT_EXIST |
drupal/ |
File permission check -- File does not exist. | 1 | |
| FILE_NOT_EXECUTABLE |
drupal/ |
File permission check -- File is not executable. | 3 | |
| FILE_MODIFY_PERMISSIONS |
drupal/ |
Flag used by file_prepare_directory() -- file permissions may be changed. | 6 | |
| FILE_EXISTS_REPLACE |
drupal/ |
Flag for dealing with existing files: Replace the existing file. | 26 | |
| FILE_EXISTS_RENAME |
drupal/ |
Flag for dealing with existing files: Appends number until name is unique. | 18 | |
| FILE_EXISTS_ERROR |
drupal/ |
Flag for dealing with existing files: Do nothing and return FALSE. | 12 | |
| FILE_EXIST |
drupal/ |
File permission check -- File exists. | 4 | |
| FILE_EXECUTABLE |
drupal/ |
File permission check -- File is executable. | 3 | |
| FILE_CREATE_DIRECTORY |
drupal/ |
Flag used by file_prepare_directory() -- create directory if not present. | 21 | |
| FIELD_STORAGE_UPDATE |
drupal/ |
Argument for an update operation. | 4 | |
| FIELD_STORAGE_INSERT |
drupal/ |
Argument for an insert operation. | 1 | |
| FIELD_LOAD_REVISION |
drupal/ |
Load the version of an entity's field data specified in the entity. | 3 | 1 |
| FIELD_LOAD_CURRENT |
drupal/ |
Load the most recent version of an entity's field data. | 14 | 1 |
| FIELD_CARDINALITY_UNLIMITED |
drupal/ |
Value for field API indicating a field accepts an unlimited number of values. | 32 |