Documentation & API reference
Constants
Primary tabs
Name |
Location | Description | Direct uses | Strings |
|---|---|---|---|---|
| OPENID_NS_2_0 |
drupal/ |
OpenID Authentication 2.0 namespace URL. | 3 | |
| OPENID_NS_AX |
drupal/ |
OpenID Attribute Exchange extension. | 2 | |
| OPENID_NS_OPENID |
drupal/ |
OpenID namespace used in Yadis documents. | ||
| OPENID_NS_SREG |
drupal/ |
OpenID Simple Registration extension. | 3 | |
| OPENID_NS_XRD |
drupal/ |
Extensible Resource Descriptor documents. | ||
| OPENID_RAND_SOURCE |
drupal/ |
Random number generator; used for Diffie-Hellman key exchange computations. | 1 | |
| PASS_THROUGH |
drupal/ |
Flag for drupal_set_title(); text has already been sanitized. | 36 | |
| PREG_CLASS_CJK |
drupal/ |
Matches CJK (Chinese, Japanese, Korean) letter-like characters. | 2 | 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 |
| PREG_CLASS_UNICODE_WORD_BOUNDARY |
drupal/ |
Matches Unicode characters that are word boundaries. | 3 | 1 |
| RDF_DEFAULT_BUNDLE |
drupal/ |
RDF bundle flag: Default bundle. | 7 | |
| REGIONS_ALL |
drupal/ |
Return all regions. | 1 | |
| REGIONS_VISIBLE |
drupal/ |
Return only visible regions. | 5 | |
| REQUEST_TIME |
drupal/ |
Time of the current request in seconds elapsed since the Unix Epoch. | 130 | 1 |
| REQUIRED_D7_SCHEMA_VERSION |
drupal/ |
Minimum schema version of Drupal 7 required for upgrade to Drupal 8. | 1 | |
| REQUIREMENT_ERROR |
drupal/ |
Requirement severity -- Error condition; abort installation. | 19 | |
| REQUIREMENT_INFO |
drupal/ |
Requirement severity -- Informational message only. | 1 | |
| REQUIREMENT_OK |
drupal/ |
Requirement severity -- Requirement successfully met. | 1 | |
| REQUIREMENT_WARNING |
drupal/ |
Requirement severity -- Warning condition; proceed but flag warning. | 11 | |
| RESPONSIVE_PRIORITY_LOW |
drupal/ |
A responsive table class; only show table cell on wide devices. | 6 | |
| RESPONSIVE_PRIORITY_MEDIUM |
drupal/ |
A responsive table class; hide table cell on narrow devices. | 5 | |
| SAVED_DELETED |
drupal/ |
Return status for saving which deleted an existing item. | ||
| SAVED_NEW |
drupal/ |
Return status for saving which involved creating a new item. | 16 | |
| SAVED_UPDATED |
drupal/ |
Return status for saving which involved an update to an existing item. | 17 | |
| SCHEMA_INSTALLED |
drupal/ |
Indicates that a module has been installed. | 2 | |
| SCHEMA_UNINSTALLED |
drupal/ |
Indicates that a module has not been installed yet. | 9 | |
| SEARCH_TYPE |
drupal/ |
1 | ||
| SEARCH_TYPE_2 |
drupal/ |
1 | ||
| SEARCH_TYPE_JPN |
drupal/ |
1 | ||
| SHORTCUT_DEFAULT_SET_NAME |
drupal/ |
The name of the default shortcut set. | 6 | |
| SIMPLETEST_MINIMUM_PHP_MEMORY_LIMIT |
drupal/ |
Minimum value of PHP memory_limit for SimpleTest. | 1 | |
| STREAM_WRAPPERS_ALL |
drupal/ |
Stream wrapper bit flag -- a filter that matches all wrappers. | ||
| 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_LOCAL |
drupal/ |
Stream wrapper bit flag -- refers to a local file system location. | 2 | |
| STREAM_WRAPPERS_LOCAL_HIDDEN |
drupal/ |
Stream wrapper type flag -- hidden, readable and writeable using local files. | 2 | 1 |
| STREAM_WRAPPERS_LOCAL_NORMAL |
drupal/ |
Stream wrapper type flag -- visible, readable and writeable using local files. | 3 | 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 |
| STREAM_WRAPPERS_READ |
drupal/ |
Stream wrapper bit flag -- wrapper is readable (almost always true). | 1 | |
| STREAM_WRAPPERS_READ_VISIBLE |
drupal/ |
Stream wrapper type flag -- visible and read-only. | 1 | 1 |
| STREAM_WRAPPERS_VISIBLE |
drupal/ |
Stream wrapper bit flag -- exposed in the UI and potentially web accessible. | 1 | |
| STREAM_WRAPPERS_WRITE |
drupal/ |
Stream wrapper bit flag -- wrapper is writeable. | 1 | |
| STREAM_WRAPPERS_WRITE_VISIBLE |
drupal/ |
Stream wrapper type flag -- visible, readable and writeable. | 4 | 1 |
| TAXONOMY_HIERARCHY_DISABLED |
drupal/ |
Denotes that no term in the vocabulary has a parent. | 3 | |
| TAXONOMY_HIERARCHY_MULTIPLE |
drupal/ |
Denotes that one or more terms in the vocabulary have multiple parents. | 5 | |
| TAXONOMY_HIERARCHY_SINGLE |
drupal/ |
Denotes that one or more terms in the vocabulary has a single parent. | 5 | |
| UNICODE_ERROR |
drupal/ |
Indicates an error during check for PHP unicode support. | 1 | |
| UNICODE_MULTIBYTE |
drupal/ |
Indicates that full unicode support with the PHP mbstring extension is being used. | 7 | |
| UNICODE_SINGLEBYTE |
drupal/ |
Indicates that standard PHP (emulated) unicode support is being used. | 3 | |
| UPDATE_CURRENT |
drupal/ |
Project is up to date. | 5 |