(PECL event >= 1.2.6-beta)
EventDnsBase::setOption — Set the value of a configuration option
public EventDnsBase::setOption ( string $option , string $value ) : bool
Set the value of a configuration option.
option The currently available configuration options are: "ndots" , "timeout" , "max-timeouts" , "max-inflight" , and "attempts" .
value Option value.
Returns true on success. Otherwise false.
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https://www.php.net/manual/en/eventdnsbase.setoption.php