(PECL ps >= 1.1.0)
ps_restore — Restore previously save context
Restores a previously saved graphics context. Any call of ps_save() must be accompanied by a call to ps_restore(). All coordinate transformations, line style settings, color settings, etc. are being restored to the state before the call of ps_save().
성공할 경우 TRUE를, 실패할 경우 FALSE를 반환합니다.