(PECL event >= 1.2.6-beta)
EventUtil::getLastSocketError — Returns the most recent socket error
public static EventUtil::getLastSocketError ([ mixed $socket ] ) : string
Returns the most recent socket error.
socket
Socket resource, stream or a file descriptor of a socket.
Returns the most recent socket error.
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https://www.php.net/manual/en/eventutil.getlastsocketerror.php