(PHP 7 >= 7.1.0, PHP 8)
pcntl_async_signals — Enable/disable asynchronous signal handling or return the old setting
$enable = null
) : bool
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.
| 版本 | 说明 |
|---|---|
| 8.0.0 |
enable is nullable now.
|