(PECL ev >= 0.2.0)
EvFork::__construct — Constructs the EvFork watcher object
public EvFork::__construct ( callable $callback [, mixed $data = null [, int $priority = 0 ]] )
Constructs the EvFork watcher object and starts the watcher automatically.
callback See Watcher callbacks .
data Custom data associated with the watcher.
priority Returns EvFork object on success.
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https://www.php.net/manual/en/evfork.construct.php