socket_shutdown

(PHP 4 >= 4.1.0, PHP 5, PHP 7)

socket_shutdown — Shuts down a socket for receiving, sending, or both

socket_shutdown ( resource $socket [, int $how = 2 ] ) : bool

The socket_shutdown() function allows you to stop incoming, outgoing or all data (the default) from being sent through the socket

Note:

The associated buffer, or buffers, may or may not be emptied.

socket

A valid socket resource created with socket_create().

how

The value of how can be one of the following:

**possible values for `how`**
`0`	Shutdown socket reading
`1`	Shutdown socket writing
`2`	Shutdown socket reading and writing

Returns true on success or false on failure.

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https://www.php.net/manual/en/function.socket-shutdown.php