(PHP 4 >= 4.1.0, PHP 5)
The socket_shutdown() function allows you to stop incoming, outgoing or all data (the default) from being sent through the socket
The value of how can be one of the following:
Таблица 1. possible values for how
That is not a good example of a graceful shutdown. One should close the sending side of the socket and continue to read until the remote end closes its sending connection.
Sockets should be first shutdown and then closed. <?php // Sample: Closing sockets gracefully socket_shutdown($sock, 2); socket_close($sock); ?>