Documentation & API reference
Constants
Primary tabs
Name |
Location | Description | Direct uses | Strings |
|---|---|---|---|---|
| WATCHDOG_WARNING |
drupal/ |
Log message severity -- Warning conditions. | 21 | 1 |
| WATCHDOG_NOTICE |
drupal/ |
Log message severity -- Normal but significant conditions. | 30 | 1 |
| WATCHDOG_INFO |
drupal/ |
Log message severity -- Informational messages. | 9 | 1 |
| WATCHDOG_ERROR |
drupal/ |
Log message severity -- Error conditions. | 27 | 1 |
| WATCHDOG_EMERGENCY |
drupal/ |
Log message severity -- Emergency: system is unusable. | 2 | 1 |
| WATCHDOG_DEBUG |
drupal/ |
Log message severity -- Debug-level messages. | 3 | 1 |
| WATCHDOG_CRITICAL |
drupal/ |
Log message severity -- Critical conditions. | 2 | 1 |
| WATCHDOG_ALERT |
drupal/ |
Log message severity -- Alert: action must be taken immediately. | 2 | 1 |
| VERSION |
drupal/ |
The current system version. | 6 | 1 |
| USER_REGISTER_VISITORS_ADMINISTRATIVE_APPROVAL |
drupal/ |
Visitors can create accounts, but they don't become active without administrative approval. | 12 | 1 |
| USER_REGISTER_VISITORS |
drupal/ |
Visitors can create their own accounts. | 17 | 1 |
| USER_REGISTER_ADMINISTRATORS_ONLY |
drupal/ |
Only administrators can create user accounts. | 4 | 1 |
| USERNAME_MAX_LENGTH |
drupal/ |
Maximum length of username text field. | 6 | 1 |
| UPDATE_UNKNOWN |
drupal/ |
No available update data was found for project. | 7 | 1 |
| UPDATE_REVOKED |
drupal/ |
Current release has been unpublished and is no longer available. | 6 | 1 |
| UPDATE_NOT_SUPPORTED |
drupal/ |
Current release is no longer supported by the project maintainer. | 6 | 1 |
| UPDATE_NOT_SECURE |
drupal/ |
Project is missing security update(s). | 8 | 1 |
| UPDATE_NOT_FETCHED |
drupal/ |
There was a failure fetching available update data for this project. | 5 | 1 |
| UPDATE_NOT_CURRENT |
drupal/ |
Project has a new release available, but it is not a security release. | 7 | 1 |
| UPDATE_NOT_CHECKED |
drupal/ |
Project's status cannot be checked. | 6 | 1 |
| UPDATE_MAX_FETCH_TIME |
drupal/ |
Maximum number of seconds to try fetching available update data at a time. | 1 | 1 |
| UPDATE_MAX_FETCH_ATTEMPTS |
drupal/ |
Maximum number of attempts to fetch available update data from a given host. | 1 | 1 |
| UPDATE_FETCH_PENDING |
drupal/ |
We need to (re)fetch available update data for this project. | 5 | 1 |
| UPDATE_DEFAULT_URL |
drupal/ |
URL to check for updates, if a given project doesn't define its own. | 1 | 1 |
| UPDATE_CURRENT |
drupal/ |
Project is up to date. | 5 | 1 |
| UNICODE_SINGLEBYTE |
drupal/ |
Indicates that standard PHP (emulated) unicode support is being used. | 3 | 1 |
| UNICODE_MULTIBYTE |
drupal/ |
Indicates that full unicode support with the PHP mbstring extension is being used. | 6 | 1 |
| UNICODE_ERROR |
drupal/ |
Indicates an error during check for PHP unicode support. | 1 | 1 |
| TRANSLATION_ENABLED |
drupal/ |
Identifies a content type which has translation support enabled. | 1 | 1 |
| STREAM_WRAPPERS_WRITE_VISIBLE |
drupal/ |
Stream wrapper type flag -- visible, readable and writeable. | 6 | 1 |
| STREAM_WRAPPERS_WRITE |
drupal/ |
Stream wrapper bit flag -- wrapper is writeable. | 1 | 1 |
| STREAM_WRAPPERS_VISIBLE |
drupal/ |
Stream wrapper bit flag -- exposed in the UI and potentially web accessible. | 1 | 1 |
| STREAM_WRAPPERS_READ_VISIBLE |
drupal/ |
Stream wrapper type flag -- visible and read-only. | 1 | 1 |
| STREAM_WRAPPERS_READ |
drupal/ |
Stream wrapper bit flag -- wrapper is readable (almost always true). | 1 | 1 |
| STREAM_WRAPPERS_NORMAL |
drupal/ |
Stream wrapper type flag -- the default when 'type' is omitted from hook_stream_wrappers(). This does not include STREAM_WRAPPERS_LOCAL, because PHP grants a greater trust level to local files (for example, they can be used in an… | 2 | 1 |
| STREAM_WRAPPERS_LOCAL_NORMAL |
drupal/ |
Stream wrapper type flag -- visible, readable and writeable using local files. | 2 | 1 |
| STREAM_WRAPPERS_LOCAL_HIDDEN |
drupal/ |
Stream wrapper type flag -- hidden, readable and writeable using local files. | 2 | 1 |
| STREAM_WRAPPERS_LOCAL |
drupal/ |
Stream wrapper bit flag -- refers to a local file system location. | 3 | 1 |
| STREAM_WRAPPERS_HIDDEN |
drupal/ |
Stream wrapper type flag -- not visible in the UI or accessible via web, but readable and writable. E.g. the temporary directory for uploads. | 1 | 1 |
| STREAM_WRAPPERS_ALL |
drupal/ |
Stream wrapper bit flag -- a filter that matches all wrappers. | 1 | |
| SIMPLETEST_MINIMUM_PHP_MEMORY_LIMIT |
drupal/ |
Minimum value of PHP memory_limit for SimpleTest. | 1 | 1 |
| SHORTCUT_DEFAULT_SET_NAME |
drupal/ |
The name of the default shortcut set. | 5 | 1 |
| SEARCH_TYPE_JPN |
drupal/ |
1 | 1 | |
| SEARCH_TYPE_2 |
drupal/ |
1 | 1 | |
| SEARCH_TYPE |
drupal/ |
1 | 1 | |
| SCHEMA_UNINSTALLED |
drupal/ |
Indicates that a module has not been installed yet. | 8 | 1 |
| SCHEMA_INSTALLED |
drupal/ |
Indicates that a module has been installed. | 3 | 1 |
| SAVED_UPDATED |
drupal/ |
Return status for saving which involved an update to an existing item. | 12 | 1 |
| SAVED_NEW |
drupal/ |
Return status for saving which involved creating a new item. | 12 | 1 |
| SAVED_DELETED |
drupal/ |
Return status for saving which deleted an existing item. | 2 | 1 |