stream_socket_shutdown

(PHP 5 >= 5.2.1, PHP 7)

stream_socket_shutdown — Shutdown a full-duplex connection

Description

stream_socket_shutdown ( resource $stream , int $how ) : bool

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

Note:

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

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).

Return Values

Returns true on success or false on failure.

Examples

Example #1 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)

See Also

  • fclose() - Closes an open file pointer

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