Documentation & API reference
Constants
Primary tabs
| Name | Location | Description | Direct uses |
Strings |
|---|---|---|---|---|
| PASS_THROUGH |
drupal/ |
Flag for drupal_set_title(); text has already been sanitized. | 36 | |
| DRUPAL_PHP_FUNCTION_PATTERN |
drupal/ |
Regular expression to match PHP function names. | 13 | |
| CONFIG_ACTIVE_DIRECTORY |
drupal/ |
$config_directories key for active directory. | 8 | |
| CONFIG_STAGING_DIRECTORY |
drupal/ |
$config_directories key for staging directory. | 8 | |
| UPDATE_DEFAULT_URL |
drupal/ |
URL to check for updates, if a given project doesn't define its own. | 1 | |
| UPDATE_NOT_SECURE |
drupal/ |
Project is missing security update(s). | 8 | |
| UPDATE_REVOKED |
drupal/ |
Current release has been unpublished and is no longer available. | 6 | |
| UPDATE_NOT_SUPPORTED |
drupal/ |
Current release is no longer supported by the project maintainer. | 6 | |
| UPDATE_NOT_CURRENT |
drupal/ |
Project has a new release available, but it is not a security release. | 7 | |
| UPDATE_CURRENT |
drupal/ |
Project is up to date. | 5 | |
| UPDATE_NOT_CHECKED |
drupal/ |
Project's status cannot be checked. | 6 | |
| UPDATE_UNKNOWN |
drupal/ |
No available update data was found for project. | 7 | |
| UPDATE_NOT_FETCHED |
drupal/ |
There was a failure fetching available update data for this project. | 5 | |
| UPDATE_FETCH_PENDING |
drupal/ |
We need to (re)fetch available update data for this project. | 4 | |
| FIELD_CARDINALITY_UNLIMITED |
drupal/ |
Value for field API indicating a field accepts an unlimited number of values. | 37 | |
| FIELD_BEHAVIOR_NONE |
drupal/ |
Value for field API indicating a widget doesn't accept default values. | ||
| FIELD_BEHAVIOR_DEFAULT |
drupal/ |
Value for field API concerning widget default and multiple value settings. | 3 | |
| FIELD_BEHAVIOR_CUSTOM |
drupal/ |
Value for field API indicating a widget can receive several field values. | ||
| DRUPAL_MAXIMUM_TEMP_FILE_AGE |
drupal/ |
Maximum age of temporary files in seconds. | 2 | |
| DRUPAL_USER_TIMEZONE_DEFAULT |
drupal/ |
New users will be set to the default time zone at registration. | ||
| DRUPAL_USER_TIMEZONE_EMPTY |
drupal/ |
New users will get an empty time zone at registration. | ||
| DRUPAL_USER_TIMEZONE_SELECT |
drupal/ |
New users will select their own timezone at registration. | 1 | |
| DRUPAL_DISABLED |
drupal/ |
Disabled option on forms and settings | 15 | |
| DRUPAL_OPTIONAL |
drupal/ |
Optional option on forms and settings | 19 | |
| DRUPAL_REQUIRED |
drupal/ |
Required option on forms and settings | 7 | |
| REGIONS_VISIBLE |
drupal/ |
Return only visible regions. | 5 | |
| REGIONS_ALL |
drupal/ |
Return all regions. | 1 | |
| SIMPLETEST_MINIMUM_PHP_MEMORY_LIMIT |
drupal/ |
Minimum value of PHP memory_limit for SimpleTest. | 1 | |
| TAXONOMY_HIERARCHY_DISABLED |
drupal/ |
Denotes that no term in the vocabulary has a parent. | 3 | |
| TAXONOMY_HIERARCHY_SINGLE |
drupal/ |
Denotes that one or more terms in the vocabulary has a single parent. | 5 | |
| TAXONOMY_HIERARCHY_MULTIPLE |
drupal/ |
Denotes that one or more terms in the vocabulary have multiple parents. | 5 | |
| AGGREGATOR_CLEAR_NEVER |
drupal/ |
Denotes that a feed's items should never expire. | 3 | |
| DATETIME_STORAGE_TIMEZONE |
drupal/ |
Defines the timezone that dates should be stored in. | 4 | |
| DATETIME_DATETIME_STORAGE_FORMAT |
drupal/ |
Defines the format that date and time should be stored in. | 6 | |
| DATETIME_DATE_STORAGE_FORMAT |
drupal/ |
Defines the format that dates should be stored in. | 6 | |
| NODE_NOT_PUBLISHED |
drupal/ |
Denotes that the node is not published. | 5 | |
| NODE_PUBLISHED |
drupal/ |
Denotes that the node is published. | 8 | |
| NODE_NOT_PROMOTED |
drupal/ |
Denotes that the node is not promoted to the front page. | 2 | |
| 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 | |
| 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 | |
| NODE_ACCESS_IGNORE |
drupal/ |
Denotes that access is unaffected for a node. | 4 | |
| USERNAME_MAX_LENGTH |
drupal/ |
Maximum length of username text field. | 5 | |
| USER_REGISTER_ADMINISTRATORS_ONLY |
drupal/ |
Only administrators can create user accounts. | 7 | |
| USER_REGISTER_VISITORS |
drupal/ |
Visitors can create their own accounts. | 5 | |
| USER_REGISTER_VISITORS_ADMINISTRATIVE_APPROVAL |
drupal/ |
Visitors can create accounts, but they don't become active without administrative approval. | 1 | |
| LOCALE_TRANSLATION_SOURCE_COMPARE_LT |
drupal/ |
Comparison result of source files timestamps. | 4 | |
| LOCALE_TRANSLATION_SOURCE_COMPARE_EQ |
drupal/ |
Comparison result of source files timestamps. | 1 |