(PHP 4, PHP 5)
shm_put_var — Inserts or updates a variable in shared memory
   shm_put_var() inserts or updates the
   variable with the given
   variable_key.
  
   Warnings (E_WARNING level) will be issued if
   shm_identifier is not a valid SysV shared memory
   index or if there was not enough shared memory remaining to complete your
   request.
  
shm_identifier
     A shared memory resource handle as returned by shm_attach()
variable_key
     The variable key.
variable
     The variable. All variable types that serialize() supports may be used: generally this means all types except for resources and some internal objects that cannot be serialized.
   Returns TRUE on success or FALSE on failure.