(PECL event >= 1.2.6-beta)
Event::pending — Detects whether event is pending or scheduled
public Event::pending ( int $flags ) : bool
Detects whether event is pending or scheduled
flags One of, or a composition of the following constants: Event::READ , Event::WRITE , Event::TIMEOUT , Event::SIGNAL .
Returns true if event is pending or scheduled. Otherwise false.
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https://www.php.net/manual/en/event.pending.php