Documentation & API reference
Constants
Primary tabs
| Name |
Location |
Description | Direct uses | Strings |
|---|---|---|---|---|
| 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 | |
| FIELD_STORAGE_UPDATE |
drupal/ |
Argument for an update operation. | 4 | |
| FIELD_STORAGE_INSERT |
drupal/ |
Argument for an insert operation. | 1 | |
| 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. | ||
| FIELD_LOAD_CURRENT |
drupal/ |
Load the most recent version of an entity's field data. | 15 | 1 |
| FIELD_LOAD_REVISION |
drupal/ |
Load the version of an entity's field data specified in the entity. | 3 | 1 |
| FILE_URL_TEST_CDN_1 |
drupal/ |
2 | ||
| FILE_URL_TEST_CDN_2 |
drupal/ |
3 | ||
| FILTER_TYPE_MARKUP_LANGUAGE |
drupal/ |
Non-HTML markup language filters that generate HTML. | 2 | |
| FILTER_TYPE_HTML_RESTRICTOR |
drupal/ |
HTML tag and attribute restricting filters. | 4 | |
| FILTER_TYPE_TRANSFORM_REVERSIBLE |
drupal/ |
Reversible transformation filters. | 2 | |
| FILTER_TYPE_TRANSFORM_IRREVERSIBLE |
drupal/ |
Irreversible transformation filters. | 2 | |
| HISTORY_READ_LIMIT |
drupal/ |
Entities changed before this time are always shown as read. | 6 | 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 |
| IMAGE_STORAGE_MODULE |
drupal/ |
Image style constant to represent any module-based preset. | 1 | |
| IMAGE_DERIVATIVE_TOKEN |
drupal/ |
The name of the query parameter for image derivative tokens. | 1 | 1 |
| LANGUAGE_NEGOTIATION_URL |
drupal/ |
The language is determined using path prefix or domain. | 3 | |
| LANGUAGE_NEGOTIATION_BROWSER |
drupal/ |
The language is set based on the browser language settings. | 1 | |
| LANGUAGE_NEGOTIATION_INTERFACE |
drupal/ |
The language is determined using the current interface language. | 2 | |
| 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 | |
| LANGUAGE_NEGOTIATION_URL_PREFIX |
drupal/ |
URL language negotiation: use the path prefix as URL language indicator. | 5 | |
| LANGUAGE_NEGOTIATION_URL_DOMAIN |
drupal/ |
URL language negotiation: use the domain as URL language indicator. | 6 | |
| 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_NOT_CUSTOMIZED |
drupal/ |
Flag for locally not customized interface translation. | 10 | |
| LOCALE_CUSTOMIZED |
drupal/ |
Flag for locally customized interface translation. | 5 | |
| LOCALE_TRANSLATION_USE_SOURCE_LOCAL |
drupal/ |
Translation update mode: Use local files only. | 3 | |
| LOCALE_TRANSLATION_USE_SOURCE_REMOTE_AND_LOCAL |
drupal/ |
Translation update mode: Use both remote and local files. | 6 | |
| LOCALE_TRANSLATION_DEFAULT_SERVER_PATTERN |
drupal/ |
Default location of gettext file on the translation server. | 1 | |
| LOCALE_TRANSLATION_STATUS_TTL |
drupal/ |
The number of seconds that the translations status entry should be considered. | 1 | |
| LOCALE_TRANSLATION_OVERWRITE_ALL |
drupal/ |
UI option for override of existing translations. Override any translation. | 5 | |
| LOCALE_TRANSLATION_OVERWRITE_NON_CUSTOMIZED |
drupal/ |
UI option for override of existing translations. Only override non-customized translations. | 3 | |
| LOCALE_TRANSLATION_OVERWRITE_NONE |
drupal/ |
UI option for override of existing translations. Don't override existing translations. | 3 | |
| LOCALE_TRANSLATION_REMOTE |
drupal/ |
Translation source is a remote file. | 5 | |
| LOCALE_TRANSLATION_LOCAL |
drupal/ |
Translation source is a local file. | 5 | |
| LOCALE_TRANSLATION_CURRENT |
drupal/ |
Translation source is the current translation. | 4 | |
| LOCALE_TRANSLATION_DOWNLOADED |
drupal/ |
Translation source is a downloaded file. | 2 | |
| LOCALE_TRANSLATION_IMPORTED |
drupal/ |
Translation source is an imported file. | ||
| LOCALE_TRANSLATION_SOURCE_COMPARE_LT |
drupal/ |
Comparison result of source files timestamps. | 4 |