Documentation & API reference
Constants
Primary tabs
| Name | Location | Description |
Direct uses |
Strings |
|---|---|---|---|---|
| STREAM_WRAPPERS_ALL |
drupal/ |
Stream wrapper bit flag -- a filter that matches all wrappers. | ||
| SAVED_DELETED |
drupal/ |
Return status for saving which deleted an existing item. | ||
| CSS_BASE |
drupal/ |
The default weight for CSS rules that style HTML elements ("base" styles). | ||
| CSS_LAYOUT |
drupal/ |
The default weight for CSS rules that layout a page. | ||
| CSS_STATE |
drupal/ |
The default weight for CSS rules that style states and are not included with components. | ||
| MENU_IS_ROOT |
drupal/ |
Internal menu flag -- menu item is the root of the menu tree. | ||
| MENU_MODIFIED_BY_ADMIN |
drupal/ |
Internal menu flag -- menu item can be modified by administrator. | ||
| MENU_CREATED_BY_ADMIN |
drupal/ |
Internal menu flag -- menu item was created by administrator. | ||
| ERROR_REPORTING_HIDE |
drupal/ |
Error reporting level: display no errors. | ||
| WATCHDOG_CRITICAL |
drupal/ |
Log message severity -- Critical conditions. | ||
| FIELD_BEHAVIOR_NONE |
drupal/ |
Value for field API indicating a widget doesn't accept default values. | ||
| FIELD_BEHAVIOR_CUSTOM |
drupal/ |
Value for field API indicating a widget can receive several field values. | ||
| 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. | ||
| LOCALE_TRANSLATION_IMPORTED |
drupal/ |
Translation source is an imported file. | ||
| BLOCK_CUSTOM_FIXED |
drupal/ |
Users cannot control whether or not they see this block. | ||
| BLOCK_CUSTOM_ENABLED |
drupal/ |
Shows this block by default, but lets individual users hide it. | ||
| BLOCK_CUSTOM_DISABLED |
drupal/ |
Hides this block by default but lets individual users show it. | ||
| IMAGE_STORAGE_MODULE |
drupal/ |
Image style constant to represent any module-based preset. | 1 | |
| PHPUnit_MAIN_METHOD |
drupal/ |
2 | ||
| FILE_NOT_EXIST |
drupal/ |
File permission check -- File does not exist. | 1 | |
| REQUIRED_D7_SCHEMA_VERSION |
drupal/ |
Minimum schema version of Drupal 7 required for upgrade to Drupal 8. | 1 | |
| STREAM_WRAPPERS_READ |
drupal/ |
Stream wrapper bit flag -- wrapper is readable (almost always true). | 1 | |
| STREAM_WRAPPERS_WRITE |
drupal/ |
Stream wrapper bit flag -- wrapper is writeable. | 1 | |
| STREAM_WRAPPERS_VISIBLE |
drupal/ |
Stream wrapper bit flag -- exposed in the UI and potentially web accessible. | 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_READ_VISIBLE |
drupal/ |
Stream wrapper type flag -- visible and read-only. | 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… | 1 | 1 |
| CSS_COMPONENT |
drupal/ |
The default weight for CSS rules that style design components (and their associated states and skins.) | 1 | |
| CSS_SKIN |
drupal/ |
The default weight for CSS rules that style skins and are not included with components. | 1 | |
| JS_SETTING |
drupal/ |
The default group for JavaScript settings added to the page. | 1 | |
| DRUPAL_CACHE_GLOBAL |
drupal/ |
The block or element is the same for every user and page that it is visible. | 1 | |
| MENU_IS_LOCAL_ACTION |
drupal/ |
Internal menu flag -- menu item is a local action. | 1 | |
| MENU_ACCESS_DENIED |
drupal/ |
Internal menu status code -- Menu item access is denied. | 1 | |
| MENU_PREFERRED_LINK |
drupal/ |
Reserved key to identify the most specific menu link for a given path. | 1 | |
| DRUPAL_MINIMUM_PHP_MEMORY_LIMIT |
drupal/ |
Minimum recommended value of PHP memory_limit. | 1 | |
| ERROR_REPORTING_DISPLAY_SOME |
drupal/ |
Error reporting level: display errors and warnings. | 1 | |
| WATCHDOG_EMERGENCY |
drupal/ |
Log message severity -- Emergency: system is unusable. | 1 | |
| WATCHDOG_ALERT |
drupal/ |
Log message severity -- Alert: action must be taken immediately. | 1 | |
| DRUPAL_BOOTSTRAP_KERNEL |
drupal/ |
Second bootstrap phase, initalize a kernel. | 1 | |
| DRUPAL_BOOTSTRAP_PAGE_CACHE |
drupal/ |
Third bootstrap phase: try to serve a cached page. | 1 | |
| CHECK_PLAIN |
drupal/ |
Flag for drupal_set_title(); text is not sanitized, so run check_plain(). | 1 | |
| UPDATE_DEFAULT_URL |
drupal/ |
URL to check for updates, if a given project doesn't define its own. | 1 | |
| PREG_CLASS_NUMBERS |
drupal/ |
Matches all 'N' Unicode character classes (numbers) | 1 | 1 |
| PREG_CLASS_PUNCTUATION |
drupal/ |
Matches all 'P' Unicode character classes (punctuation) | 1 | 1 |
| DRUPAL_USER_TIMEZONE_SELECT |
drupal/ |
New users will select their own timezone at registration. | 1 | |
| REGIONS_ALL |
drupal/ |
Return all regions. | 1 | |
| SIMPLETEST_MINIMUM_PHP_MEMORY_LIMIT |
drupal/ |
Minimum value of PHP memory_limit for SimpleTest. | 1 | |
| USER_REGISTER_VISITORS_ADMINISTRATIVE_APPROVAL |
drupal/ |
Visitors can create accounts, but they don't become active without administrative approval. | 1 | |
| LOCALE_TRANSLATION_SOURCE_COMPARE_EQ |
drupal/ |
Comparison result of source files timestamps. | 1 |