Descriptionbool shm_put_var ( int shm_identifier, int variable_key, mixed variable)
Inserts or updates a variable with a given variable_key. All variable-types are supported.
如果成功则返回 TRUE，失败则返回 FALSE。
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.