shm_remove_var Removes a variable from shared memory &reftitle.description; boolshm_remove_var resourceshm_identifier intvariable_key Removes a variable with a given variable_key and frees the occupied memory. &reftitle.parameters; shm_identifier The shared memory identifier as returned by shm_attach variable_key The variable key. &reftitle.returnvalues; &return.success; &reftitle.seealso; shm_remove