Contains filters are case sensitive
Name Locationsort descending Description
BACKDROP_ROOT ./authorize.php Defines the root directory of the Backdrop installation.
MAINTENANCE_MODE ./authorize.php Global flag to identify update.php and authorize.php runs.
BACKDROP_ROOT ./cron.php Defines the root directory of the Backdrop installation.
LANGUAGE_LTR includes/bootstrap.inc Language written left to right. Possible value of $language->direction.
LANGUAGE_TYPE_CONTENT includes/bootstrap.inc The type of language used to define the content language.
BACKDROP_AUTHENTICATED_ROLE includes/bootstrap.inc Role ID for authenticated users.
ERROR_REPORTING_DISPLAY_ALL includes/bootstrap.inc Error reporting level: display all messages.
LANGUAGE_RTL includes/bootstrap.inc Language written right to left. Possible value of $language->direction.
LANGUAGE_TYPE_INTERFACE includes/bootstrap.inc The type of language used to select the user interface.
CHECK_PLAIN includes/bootstrap.inc Flag used to indicate that text is not sanitized, so run check_plain().
BACKDROP_BOOTSTRAP_DATABASE includes/bootstrap.inc Third bootstrap phase: initialize database layer.
ERROR_REPORTING_DISPLAY_SOME includes/bootstrap.inc Error reporting level: display errors and warnings.
ERROR_REPORTING_HIDE includes/bootstrap.inc Error reporting level: display no errors.
BACKDROP_MINIMUM_PHP_MEMORY_LIMIT includes/bootstrap.inc Minimum recommended value of PHP memory_limit.
PASS_THROUGH includes/bootstrap.inc Flag used to indicate that text has already been sanitized.
WATCHDOG_ALERT includes/bootstrap.inc Log message severity -- Alert: action must be taken immediately.
LANGUAGE_NONE includes/bootstrap.inc The language code used when no language is explicitly assigned.
LANGUAGE_TYPE_URL includes/bootstrap.inc The type of language used for URLs.
BACKDROP_KILOBYTE includes/bootstrap.inc The number of bytes in a kilobyte.
BACKDROP_BOOTSTRAP_PAGE_CACHE includes/bootstrap.inc Second bootstrap phase: try to serve a cached page.
BACKDROP_BOOTSTRAP_SESSION includes/bootstrap.inc Sixth bootstrap phase: initialize session handling.
BACKDROP_BOOTSTRAP_LOCK includes/bootstrap.inc Fourth bootstrap phase: initialize the lock system.
WATCHDOG_CRITICAL includes/bootstrap.inc Log message severity -- Critical conditions.
BACKDROP_BOOTSTRAP_CONFIGURATION includes/bootstrap.inc First bootstrap phase: initialize configuration.
WATCHDOG_DEPRECATED includes/bootstrap.inc Log message severity -- Deprecated function / feature notices.
WATCHDOG_DEBUG includes/bootstrap.inc Log message severity -- Debug-level messages.
WATCHDOG_INFO includes/bootstrap.inc Log message severity -- Informational messages.
WATCHDOG_NOTICE includes/bootstrap.inc Log message severity -- Normal but significant conditions.
WATCHDOG_WARNING includes/bootstrap.inc Log message severity -- Warning conditions.
WATCHDOG_ERROR includes/bootstrap.inc Log message severity -- Error conditions.
BACKDROP_PHP_FUNCTION_PATTERN includes/bootstrap.inc Regular expression to match PHP function names.
BACKDROP_ANONYMOUS_ROLE includes/bootstrap.inc Role ID for anonymous users.
WATCHDOG_EMERGENCY includes/bootstrap.inc Log message severity -- Emergency: system is unusable.
BACKDROP_MINIMUM_PHP includes/bootstrap.inc Minimum supported version of PHP.
BACKDROP_CORE_COMPATIBILITY includes/bootstrap.inc Core API compatibility.
BACKDROP_VERSION includes/bootstrap.inc The current system version.
LANGUAGE_SYSTEM includes/bootstrap.inc System language (only applicable to UI).
BACKDROP_BOOTSTRAP_FULL includes/bootstrap.inc Final bootstrap phase: Backdrop is fully loaded; validate and fix input data.
REQUEST_TIME includes/bootstrap.inc Time of the current request in seconds elapsed since the Unix Epoch.
CACHE_TEMPORARY includes/bootstrap.inc Indicates that the item should be removed at the next general cache wipe.
BACKDROP_BOOTSTRAP_LANGUAGE includes/bootstrap.inc Eighth bootstrap phase: find out language of the page.
BACKDROP_BOOTSTRAP_PAGE_HEADER includes/bootstrap.inc Seventh bootstrap phase: set up the page header.
BACKDROP_BOOTSTRAP_VARIABLES includes/bootstrap.inc Fifth bootstrap phase: initialize the variable system.
CACHE_PERMANENT includes/bootstrap.inc Indicates that the item should never be removed unless explicitly selected.
CSS_DEFAULT includes/common.inc The default group for module CSS files added to the page.
BACKDROP_CACHE_PER_ROLE includes/common.inc The block or element can change depending on the user's roles.
BACKDROP_NO_CACHE includes/common.inc The block should not get cached.
JS_DEFAULT includes/common.inc The default group for module JavaScript code added to the page.
BACKDROP_CACHE_CUSTOM includes/common.inc The block is handling its own caching in its hook_block_view().
JS_LIBRARY includes/common.inc The default group for JavaScript and jQuery libraries added to the page.

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