(PHP 7 >= 7.1.0, PHP 8)
pcntl_async_signals — Enable/disable asynchronous signal handling or return the old setting
If the enable parameter is null, pcntl_async_signals() returns whether asynchronous signal handling is enabled. Otherwise, asynchronous signal handling is enabled or disabled.
enableWhether asynchronous signal handling should be enabled.
When used as getter (enable parameter is null) it returns whether asynchronous signal handling is enabled. When used as setter (enable parameter is not null), it returns whether asynchronous signal handling was enabled before the function call.
| Version | Description |
|---|---|
| 8.0.0 | enable is nullable now. |