RequestHandlerRunner graceful shutdown limits under PHP‑FPM
Goal Determine how far the built‑in graceful shutdown of laminas-httphandlerrunner 's RequestHandlerRunner extends when the application runs behind PHP‑FPM rather than a long‑running async SAPI. Constraints and uncertainty Signal‑based shutdown is opt‑in and requires the pcntl extension, which is often unavailable or restricted in shared hosting. In PHP‑FPM