Constants
| Name | Location | Description |
|---|---|---|
| AGGREGATOR_CLEAR_NEVER | drupal/ | Denotes that a feed's items should never expire. |
| ARCHIVE_TAR_ATT_SEPARATOR | drupal/ | |
| ARCHIVE_TAR_END_BLOCK | drupal/ | |
| BLOCK_CUSTOM_DISABLED | drupal/ | Hide this block by default but let individual users show it. |
| BLOCK_CUSTOM_ENABLED | drupal/ | Show this block by default, but let individual users hide it. |
| BLOCK_CUSTOM_FIXED | drupal/ | Users cannot control whether or not they see this block. |
| BLOCK_REGION_NONE | drupal/ | Denotes that a block is not enabled in any region and should not be shown. |
| BLOCK_VISIBILITY_LISTED | drupal/ | Show this block on only the listed pages. |
| BLOCK_VISIBILITY_NOTLISTED | drupal/ | Show this block on every page except the listed pages. |
| BLOCK_VISIBILITY_PHP | drupal/ | Show this block if the associated PHP code returns TRUE. |
| CACHE_PERMANENT | drupal/ | Indicates that the item should never be removed unless explicitly selected. |
| CACHE_TEMPORARY | drupal/ | Indicates that the item should be removed at the next general cache wipe. |
| CHECK_PLAIN | drupal/ | Flag for drupal_set_title(); text is not sanitized, so run check_plain(). |
| COMMENT_ANONYMOUS_MAYNOT_CONTACT | drupal/ | Anonymous posters cannot enter their contact information. |
| COMMENT_ANONYMOUS_MAY_CONTACT | drupal/ | Anonymous posters may leave their contact information. |
| COMMENT_ANONYMOUS_MUST_CONTACT | drupal/ | Anonymous posters are required to leave their contact information. |
| COMMENT_FORM_BELOW | drupal/ | Comment form should be shown below post or list of comments. |
| COMMENT_FORM_SEPARATE_PAGE | drupal/ | Comment form should be displayed on a separate page. |
| COMMENT_MODE_FLAT | drupal/ | Comments are displayed in a flat list - expanded. |
| COMMENT_MODE_THREADED | drupal/ | Comments are displayed as a threaded list - expanded. |
| COMMENT_NODE_CLOSED | drupal/ | Comments for this node are closed. |
| COMMENT_NODE_HIDDEN | drupal/ | Comments for this node are hidden. |
| COMMENT_NODE_OPEN | drupal/ | Comments for this node are open. |
| COMMENT_NOT_PUBLISHED | drupal/ | Comment is awaiting approval. |
| COMMENT_PUBLISHED | drupal/ | Comment is published. |
| CSS_DEFAULT | drupal/ | The default group for module CSS files added to the page. |
| CSS_SYSTEM | drupal/ | The default group for system CSS files added to the page. |
| CSS_THEME | drupal/ | The default group for theme CSS files added to the page. |
| DRUPAL_ANONYMOUS_RID | drupal/ | Role ID for anonymous users; should match what's in the "role" table. |
| DRUPAL_AUTHENTICATED_RID | drupal/ | Role ID for authenticated users; should match what's in the "role" table. |
| DRUPAL_BOOTSTRAP_CONFIGURATION | drupal/ | First bootstrap phase: initialize configuration. |
| DRUPAL_BOOTSTRAP_DATABASE | drupal/ | Third bootstrap phase: initialize database layer. |
| DRUPAL_BOOTSTRAP_FULL | drupal/ | Final bootstrap phase: Drupal is fully loaded; validate and fix input data. |
| DRUPAL_BOOTSTRAP_LANGUAGE | drupal/ | Seventh bootstrap phase: find out language of the page. |
| DRUPAL_BOOTSTRAP_PAGE_CACHE | drupal/ | Second bootstrap phase: try to serve a cached page. |
| DRUPAL_BOOTSTRAP_PAGE_HEADER | drupal/ | Sixth bootstrap phase: set up the page header. |
| DRUPAL_BOOTSTRAP_SESSION | drupal/ | Fifth bootstrap phase: initialize session handling. |
| DRUPAL_BOOTSTRAP_VARIABLES | drupal/ | Fourth bootstrap phase: initialize the variable system. |
| DRUPAL_CACHE_CUSTOM | drupal/ | The block is handling its own caching in its hook_block_view(). From the perspective of the block cache system, this is equivalent to DRUPAL_NO_CACHE. Useful when time based expiration is needed or a site uses a node access which invalidates standard… |
| DRUPAL_CACHE_GLOBAL | drupal/ | The block or element is the same for every user on every page where it is visible. |
| DRUPAL_CACHE_PER_PAGE | drupal/ | The block or element can change depending on the page being viewed. |
| DRUPAL_CACHE_PER_ROLE | drupal/ | The block or element can change depending on the roles the user viewing the page belongs to. This is the default setting for blocks, used when the block does not specify anything. |
| DRUPAL_CACHE_PER_USER | drupal/ | The block or element can change depending on the user viewing the page. This setting can be resource-consuming for sites with large number of users, and thus should only be used when DRUPAL_CACHE_PER_ROLE is not sufficient. |
| DRUPAL_CORE_COMPATIBILITY | drupal/ | Core API compatibility. |
| DRUPAL_CRON_DEFAULT_THRESHOLD | drupal/ | Default interval for automatic cron executions in seconds. |
| DRUPAL_DISABLED | drupal/ | Disabled option on forms and settings |
| DRUPAL_HASH_COUNT | drupal/ | The standard log2 number of iterations for password stretching. This should increase by 1 every Drupal version in order to counteract increases in the speed and power of computers available to crack the hashes. |
| DRUPAL_HASH_LENGTH | drupal/ | The expected (and maximum) number of characters in a hashed password. |
| DRUPAL_KILOBYTE | drupal/ | The number of bytes in a kilobyte. For more information, visit http://en.wikipedia.org/wiki/Kilobyte. |
| DRUPAL_MAXIMUM_TEMP_FILE_AGE | drupal/ | Maximum age of temporary files in seconds. |
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