(PHP 4, PHP 5 < 5.2.0, PECL hwapi SVN)
hw_api::lock — Locks an object
$parameter
   )Locks an object for exclusive editing by the user calling this function. The object can be only unlocked by this user or the system user.
parameterThe parameter array contains the required element 'objectIdentifier' and the optional parameters 'mode' and 'objectquery'.
       'mode' determines how an object is locked.
       HW_API_LOCK_NORMAL means, an object is locked
       until it is unlocked. HW_API_LOCK_RECURSIVE is
       only valid for collection and locks all objects within the collection
       and possible subcollections. HW_API_LOCK_SESSION
       means, an object is locked only as long as the session is valid.
      
   Returns TRUE on success or FALSE on failure.