Documentation & API reference
Constants
Primary tabs
| Name | Location | Description |
Direct uses |
Strings |
|---|---|---|---|---|
| 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 |
| ERROR_REPORTING_DISPLAY_SOME |
drupal/ |
Error reporting level: display errors and warnings. | 1 | |
| ERROR_REPORTING_DISPLAY_ALL |
drupal/ |
Error reporting level: display all messages. | 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 | |
| DRUPAL_BOOTSTRAP_PAGE_HEADER |
drupal/ |
Seventh bootstrap phase: set up the page header. | 1 | |
| UNICODE_ERROR |
drupal/ |
Indicates an error during check for PHP unicode support. | 1 | |
| CHECK_PLAIN |
drupal/ |
Flag for drupal_set_title(); text is not sanitized, so run check_plain(). | 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 | |
| OPENID_RAND_SOURCE |
drupal/ |
Random number generator; used for Diffie-Hellman key exchange computations. | 1 | |
| OPENID_NS_1_1 |
drupal/ |
OpenID Authentication 1.1 namespace URL; used for backwards-compatibility. | 1 | |
| OPENID_NS_1_0 |
drupal/ |
OpenID Authentication 1.0 namespace URL; used for backwards-compatibility. | 1 | |
| DRUPAL_USER_TIMEZONE_SELECT |
drupal/ |
New users will select their own timezone at registration. | 1 | |
| REGIONS_ALL |
drupal/ |
Return all regions. | 1 | |
| FIELD_BEHAVIOR_CUSTOM |
drupal/ |
Value for field API indicating a widget can receive several field values. | 1 | |
| FIELD_STORAGE_INSERT |
drupal/ |
Argument for an insert operation. | 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 |
| BLOCK_CUSTOM_DISABLED |
drupal/ |
Hides this block by default but lets individual users show it. | 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 | |
| IMAGE_STORAGE_NORMAL |
drupal/ |
Image style constant for user presets in the database. | 1 | |
| IMAGE_STORAGE_OVERRIDE |
drupal/ |
Image style constant for user presets that override module-defined presets. | 1 | |
| IMAGE_STORAGE_DEFAULT |
drupal/ |
Image style constant for module-defined presets in code. | 1 | |
| IMAGE_STORAGE_EDITABLE |
drupal/ |
Image style constant to represent an editable preset. | 1 | 1 |
| LOCALE_JS_STRING |
drupal/ |
Regular expression pattern used to localize JavaScript strings. | 1 | |
| LOCALE_JS_OBJECT |
drupal/ |
Regular expression pattern used to match simple JS object literal. | 1 | |
| LOCALE_JS_OBJECT_CONTEXT |
drupal/ |
Regular expression to match an object containing a key 'context'. | 1 | 1 |
| LOCALE_TRANSLATION_USE_SOURCE_REMOTE_AND_LOCAL |
drupal/ |
Translation update mode: Use both remote and local files. | 1 | |
| LOCALE_TRANSLATION_TIMESTAMP_THRESHOLD |
drupal/ |
Threshold for timestamp comparison. | 1 | |
| LOCALE_TRANSLATION_SOURCE_COMPARE_EQ |
drupal/ |
Comparison result of source files timestamps. | 1 | |
| LOCALE_TRANSLATION_SOURCE_COMPARE_GT |
drupal/ |
Comparison result of source files timestamps. | 1 | |
| UPDATE_DEFAULT_URL |
drupal/ |
URL to check for updates, if a given project doesn't define its own. | 1 | |
| FILTER_TYPE_TRANSFORM_IRREVERSIBLE |
drupal/ |
Irreversible transformation filters. | 1 | |
| LANGUAGE_NEGOTIATION_BROWSER |
drupal/ |
The language is set based on the browser language settings. | 1 | |
| LANGUAGE_NEGOTIATION_URL_FALLBACK |
drupal/ |
If no URL language, language is determined using an already detected one. | 1 | |
| LANGUAGE_NEGOTIATION_USER |
drupal/ |
The language is set based on the user language settings. | 1 | |
| LANGUAGE_NEGOTIATION_USER_ADMIN |
drupal/ |
The language is set based on the user admin language settings. | 1 | |
| LANGUAGE_NEGOTIATION_SESSION |
drupal/ |
The language is set based on the request/session parameters. | 1 | |
| COMMENT_ANONYMOUS_MUST_CONTACT |
drupal/ |
Anonymous posters are required to leave their contact information. | 1 | |
| ARCHIVE_TAR_ATT_SEPARATOR |
drupal/ |
1 | 1 | |
| ARCHIVE_TAR_END_BLOCK |
drupal/ |
1 | 1 | |
| NBSP |
drupal/ |
Additions by Axel Boldt follow, partly taken from diff.php, phpwiki-1.3.3 | 1 | 1 |