| cache_clear_all | includes/cache.inc | Expire data from the cache. If called without arguments, expirable
entries will be cleared from the cache_page and cache_block tables. |
| cache_get | includes/cache.inc | Return data from the persistent cache. Data may be stored as either plain text or as serialized data.
cache_get will automatically return unserialized objects and arrays. |
| cache_set | includes/cache.inc | Store data in the persistent cache. |
| db_fetch_object | includes/database.pgsql.inc | Fetch one result row from the previous query as an object. |
| db_query | includes/database.pgsql.inc | Runs a basic query in the active database. |
| locale | modules/locale/locale.module | Provides interface translation services. |
| request_uri | includes/bootstrap.inc | Since $_SERVER['REQUEST_URI'] is only available on Apache, we
generate an equivalent using other environment variables. |
| variable_get | includes/bootstrap.inc | Return a persistent variable. |