(PHP 4 >= 4.1.0, PHP 5)
socket_shutdown — Shuts down a socket for receiving, sending, or both
The socket_shutdown() function allows you to stop incoming, outgoing or all data (the default) from being sent through the socket
A valid socket resource created with socket_create().
The value of how can be one of the following:
|0||Shutdown socket reading|
|1||Shutdown socket writing|
|2||Shutdown socket reading and writing|
成功时返回 TRUE， 或者在失败时返回 FALSE.