stream_socket_shutdown
Description
Shutdown a full-duplex connection
Syntax
stream_socket_shutdown ( resource $stream , int $how ) : bool
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 |
STREAM_SHUT_RDWR | disable further receptions and transmissions |
Return
Returns TRUE on success or FALSE on failure.
Examples
1 · stream how
<? $transport = "tcp"; $host = "127.0.0.1"; $port = "1234"; $socket = $transport . "://" . $host . ":" . $port; $server = stream_socket_server($socket); $client = stream_socket_client($socket); $string = "Hello"; var_dump(fwrite($client, $string)); $how = STREAM_SHUT_WR; stream_socket_shutdown($client, $how); var_dump(fwrite($client, $string)); fclose($client); fclose($server); ?>
int(5) bool(false)
2 · Return
<? $transport = "tcp"; $host = "127.0.0.1"; $port = "1234"; $socket = $transport . "://" . $host . ":" . $port; $server = stream_socket_server($socket); $client = stream_socket_client($socket); $how = STREAM_SHUT_WR; $return = stream_socket_shutdown($client, $how); var_export($return); fclose($client); fclose($server); ?>
true