* @param string $cat Config category
* @param string $key Config key
*
- * @return string The value of the config entry or '!<unset>!' if not set
+ * @return null|string The value of the config entry or null if not set
*/
function getP($uid, $cat, $key = null);
*/
function deleteP($uid, $cat, $key);
-
- /**
- * Checks if a value is set in the user config cache.
- *
- * @param int $uid User Id
- * @param string $cat Config category
- * @param string $key Config key
- * @return bool
- */
- function hasP($uid, $cat, $key = null);
-
/**
* Returns the whole configuration cache
*