(PECL event >= 1.7.0)
EventUtil::getSocketFd — Returns numeric file descriptor of a socket, or stream
Returns numeric file descriptor of a socket or stream specified by socket argument just like the Event extension does it internally for all methods accepting socket resource or stream.
socketSocket resource or stream.
Returns numeric file descriptor of a socket, or stream. EventUtil::getSocketFd() returns false in case if it is whether failed to recognize the type of the underlying file, or detected that the file descriptor associated with socket is not valid.