stream_socket_shutdown

(PHP 5 >= 5.2.1, PHP 7)

Shutdown a full-duplex connection

bool stream_socket_shutdown ( resource $stream, int $how )

Shutdowns (partially or not) a full-duplex connection.

Parameters:

stream

An open stream (opened with stream_socket_client(), for example)

how

One of the following constants: STREAM_SHUT_RD (disable further receptions), STREAM_SHUT_WR (disable further transmissions) or STREAM_SHUT_RDWR (disable further receptions and transmissions).

Returns:

Returns TRUE on success or FALSE on failure.

Examples:

A stream_socket_shutdown() example

<?php
 
$server = stream_socket_server('tcp://127.0.0.1:1337');
$client = stream_socket_client('tcp://127.0.0.1:1337');
 
var_dump(fputs($client, "hello"));
 
stream_socket_shutdown($client, STREAM_SHUT_WR);
var_dump(fputs($client, "hello")); // doesn't work now
 
?>

The above example will output something similar to:

int(5)

Notice: fputs(): send of 5 bytes failed with errno=32 Broken pipe in test.php on line 9
int(0)