Constants

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Name Locationsort descending Description Direct uses Strings
TAXONOMY_HIERARCHY_MULTIPLE drupal/core/modules/taxonomy/taxonomy.module Denotes that one or more terms in the vocabulary have multiple parents. 5
UPDATE_UNKNOWN drupal/core/modules/update/update.module No available update data was found for project. 7
UPDATE_NOT_FETCHED drupal/core/modules/update/update.module There was a failure fetching available update data for this project. 5
UPDATE_FETCH_PENDING drupal/core/modules/update/update.module We need to (re)fetch available update data for this project. 5
UPDATE_DEFAULT_URL drupal/core/modules/update/update.module URL to check for updates, if a given project doesn't define its own. 1
UPDATE_NOT_SECURE drupal/core/modules/update/update.module Project is missing security update(s). 8
UPDATE_REVOKED drupal/core/modules/update/update.module Current release has been unpublished and is no longer available. 6
UPDATE_NOT_SUPPORTED drupal/core/modules/update/update.module Current release is no longer supported by the project maintainer. 6
UPDATE_NOT_CURRENT drupal/core/modules/update/update.module Project has a new release available, but it is not a security release. 7
UPDATE_CURRENT drupal/core/modules/update/update.module Project is up to date. 5
UPDATE_NOT_CHECKED drupal/core/modules/update/update.module Project's status cannot be checked. 6
USERNAME_MAX_LENGTH drupal/core/modules/user/user.module Maximum length of username text field. 5
EMAIL_MAX_LENGTH drupal/core/modules/user/user.module Maximum length of user e-mail text field. 2 1
USER_REGISTER_ADMINISTRATORS_ONLY drupal/core/modules/user/user.module Only administrators can create user accounts. 8
USER_REGISTER_VISITORS drupal/core/modules/user/user.module Visitors can create their own accounts. 5
USER_REGISTER_VISITORS_ADMINISTRATIVE_APPROVAL drupal/core/modules/user/user.module Visitors can create accounts, but they don't become active without administrative approval. 1
VIEWS_HANDLER_RENDER_TEXT_PHASE_SINGLE_ITEM drupal/core/modules/views/lib/Drupal/views/Plugin/views/field/FieldPluginBase.php Indicator of the render_text() method for rendering a single item. (If no render_item() is present). 1 1
VIEWS_HANDLER_RENDER_TEXT_PHASE_COMPLETELY drupal/core/modules/views/lib/Drupal/views/Plugin/views/field/FieldPluginBase.php Indicator of the render_text() method for rendering the whole element. (if no render_item() method is available). 1 1
VIEWS_HANDLER_RENDER_TEXT_PHASE_EMPTY drupal/core/modules/views/lib/Drupal/views/Plugin/views/field/FieldPluginBase.php Indicator of the render_text() method for rendering the empty text. 2 1
VIEWS_API_VERSION drupal/core/modules/views/views.module Views API version string.
DRUPAL_ROOT drupal/core/update.php Defines the root directory of the Drupal installation. 136 7
MAINTENANCE_MODE drupal/core/update.php Global flag indicating that update.php is being run. 7 17
ERR_SELECT_FAILED drupal/core/vendor/symfony/process/Symfony/Component/Process/Tests/ProcessTestHelper.php 1 1
ERR_TIMEOUT drupal/core/vendor/symfony/process/Symfony/Component/Process/Tests/ProcessTestHelper.php 1 1
ERR_READ_FAILED drupal/core/vendor/symfony/process/Symfony/Component/Process/Tests/ProcessTestHelper.php 1 1
ERR_WRITE_FAILED drupal/core/vendor/symfony/process/Symfony/Component/Process/Tests/ProcessTestHelper.php 1 1
DRUPAL_ROOT drupal/index.php Root directory of Drupal installation. 136 7

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