(PHP 4, PHP 5)
shm_detach — Disconnects from shared memory segment
$shm_identifier
   )
   shm_detach() disconnects from the shared memory given
   by the shm_identifier created by
   shm_attach(). Remember, that shared memory still exist
   in the Unix system and the data is still present.
  
   shm_detach() always returns TRUE.