pcntl_async_signals
(PHP 7 >= 7.1.0, PHP 8)
pcntl_async_signals — Enable/disable asynchronous signal handling or return the old setting
說明
pcntl_async_signals(?bool
$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.
參數
-
enable -
Whether asynchronous signal handling should be enabled.
返回值
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.
更新日誌
| 版本 | 說明 |
|---|---|
| 8.0.0 |
enable is nullable now.
|