(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.
A shared memory resource handle as returned by shm_attach()
The variable key.
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.
成功时返回 TRUE, 或者在失败时返回 FALSE.