socket_shutdown
Description
The socket_shutdown of Sockets for PHP shuts down a socket for receiving, sending, or both.
Syntax
socket_shutdown( Socket $socket, int $mode = 2 ): bool
Parameters
socket
A Socket instance created with socket_create().
mode
The value of mode can be one of the following:
Value | Description |
---|---|
0 | Shutdown socket reading |
1 | Shutdown socket writing |
2 | Shutdown socket reading and writing |
Return
Returns true on success or false on failure.
Examples
1 · socket
<? $domain = AF_INET; $type = SOCK_STREAM; $protocol = SOL_TCP; $serversocket = socket_create($domain, $type, $protocol); if($serversocket === false) { $error_code = socket_last_error(); $socket_strerror = socket_strerror($error_code); die("socket_create: $socket_strerror"); } $address = '127.0.0.1'; $port = 5000; $socket_bind = socket_bind($serversocket, $address, $port); if($socket_bind === false) { $error_code = socket_last_error($serversocket); $socket_strerror = socket_strerror($error_code); die("socket_bind: $socket_strerror"); } $socket_listen = socket_listen($serversocket); if($socket_listen === false) { $error_code = socket_last_error($serversocket); $socket_strerror = socket_strerror($error_code); die("socket_listen: $socket_strerror"); } $clientsocket = socket_create($domain, $type, $protocol); if($clientsocket === false) { $error_code = socket_last_error(); $socket_strerror = socket_strerror($error_code); die("socket_create: $socket_strerror"); } $socket_connect = socket_connect($clientsocket, $address, $port); if($socket_connect === false) { $error_code = socket_last_error($clientsocket); $socket_strerror = socket_strerror($error_code); die("socket_connect: $socket_strerror"); } $socket = socket_accept($serversocket); if($socket === false) { $error_code = socket_last_error($socket); $socket_strerror = socket_strerror($error_code); die("socket_accept: $socket_strerror"); } $data = 'data'; $socket_write = socket_write($socket, $data); if($socket_write === false) { $error_code = socket_last_error($socket); $socket_strerror = socket_strerror($error_code); die("socket_write: $socket_strerror"); } $return = socket_shutdown($socket); var_export($return); //echo PHP_EOL; socket_close($socket); $length = 2048; $socket_read = socket_read($clientsocket, $length); if($socket_read === false) { $error_code = socket_last_error($clientsocket); $socket_strerror = socket_strerror($error_code); die("socket_read: $socket_strerror"); } //$return = socket_shutdown($clientsocket); //var_export($return); //echo PHP_EOL; socket_close($clientsocket); //$return = socket_shutdown($serversocket); //var_export($return); socket_close($serversocket);
true
2 · mode · 0
<? $domain = AF_INET; $type = SOCK_STREAM; $protocol = SOL_TCP; $serversocket = socket_create($domain, $type, $protocol); if($serversocket === false) { $error_code = socket_last_error(); $socket_strerror = socket_strerror($error_code); die("socket_create: $socket_strerror"); } $address = '127.0.0.1'; $port = 5001; $socket_bind = socket_bind($serversocket, $address, $port); if($socket_bind === false) { $error_code = socket_last_error($serversocket); $socket_strerror = socket_strerror($error_code); die("socket_bind: $socket_strerror"); } $socket_listen = socket_listen($serversocket); if($socket_listen === false) { $error_code = socket_last_error($serversocket); $socket_strerror = socket_strerror($error_code); die("socket_listen: $socket_strerror"); } $clientsocket = socket_create($domain, $type, $protocol); if($clientsocket === false) { $error_code = socket_last_error(); $socket_strerror = socket_strerror($error_code); die("socket_create: $socket_strerror"); } $socket_connect = socket_connect($clientsocket, $address, $port); if($socket_connect === false) { $error_code = socket_last_error($clientsocket); $socket_strerror = socket_strerror($error_code); die("socket_connect: $socket_strerror"); } $socket = socket_accept($serversocket); if($socket === false) { $error_code = socket_last_error($socket); $socket_strerror = socket_strerror($error_code); die("socket_accept: $socket_strerror"); } $data = 'data'; $socket_write = socket_write($socket, $data); if($socket_write === false) { $error_code = socket_last_error($socket); $socket_strerror = socket_strerror($error_code); die("socket_write: $socket_strerror"); } $mode = 0; $return = socket_shutdown($socket, $mode); var_export($return); //echo PHP_EOL; socket_close($socket); $length = 2048; $socket_read = socket_read($clientsocket, $length); if($socket_read === false) { $error_code = socket_last_error($clientsocket); $socket_strerror = socket_strerror($error_code); die("socket_read: $socket_strerror"); } //$return = socket_shutdown($clientsocket, $mode); //var_export($return); //echo PHP_EOL; socket_close($clientsocket); //$return = socket_shutdown($serversocket, $mode); //var_export($return); socket_close($serversocket);
true
3 · mode · 1
<? $domain = AF_INET; $type = SOCK_STREAM; $protocol = SOL_TCP; $serversocket = socket_create($domain, $type, $protocol); if($serversocket === false) { $error_code = socket_last_error(); $socket_strerror = socket_strerror($error_code); die("socket_create: $socket_strerror"); } $address = '127.0.0.1'; $port = 5002; $socket_bind = socket_bind($serversocket, $address, $port); if($socket_bind === false) { $error_code = socket_last_error($serversocket); $socket_strerror = socket_strerror($error_code); die("socket_bind: $socket_strerror"); } $socket_listen = socket_listen($serversocket); if($socket_listen === false) { $error_code = socket_last_error($serversocket); $socket_strerror = socket_strerror($error_code); die("socket_listen: $socket_strerror"); } $clientsocket = socket_create($domain, $type, $protocol); if($clientsocket === false) { $error_code = socket_last_error(); $socket_strerror = socket_strerror($error_code); die("socket_create: $socket_strerror"); } $socket_connect = socket_connect($clientsocket, $address, $port); if($socket_connect === false) { $error_code = socket_last_error($clientsocket); $socket_strerror = socket_strerror($error_code); die("socket_connect: $socket_strerror"); } $socket = socket_accept($serversocket); if($socket === false) { $error_code = socket_last_error($socket); $socket_strerror = socket_strerror($error_code); die("socket_accept: $socket_strerror"); } $data = 'data'; $socket_write = socket_write($socket, $data); if($socket_write === false) { $error_code = socket_last_error($socket); $socket_strerror = socket_strerror($error_code); die("socket_write: $socket_strerror"); } $mode = 1; $return = socket_shutdown($socket, $mode); var_export($return); //echo PHP_EOL; socket_close($socket); $length = 2048; $socket_read = socket_read($clientsocket, $length); if($socket_read === false) { $error_code = socket_last_error($clientsocket); $socket_strerror = socket_strerror($error_code); die("socket_read: $socket_strerror"); } //$return = socket_shutdown($clientsocket, $mode); //var_export($return); //echo PHP_EOL; socket_close($clientsocket); //$return = socket_shutdown($serversocket, $mode); //var_export($return); socket_close($serversocket);
true
4 · mode · 2
<? $domain = AF_INET; $type = SOCK_STREAM; $protocol = SOL_TCP; $serversocket = socket_create($domain, $type, $protocol); if($serversocket === false) { $error_code = socket_last_error(); $socket_strerror = socket_strerror($error_code); die("socket_create: $socket_strerror"); } $address = '127.0.0.1'; $port = 5003; $socket_bind = socket_bind($serversocket, $address, $port); if($socket_bind === false) { $error_code = socket_last_error($serversocket); $socket_strerror = socket_strerror($error_code); die("socket_bind: $socket_strerror"); } $socket_listen = socket_listen($serversocket); if($socket_listen === false) { $error_code = socket_last_error($serversocket); $socket_strerror = socket_strerror($error_code); die("socket_listen: $socket_strerror"); } $clientsocket = socket_create($domain, $type, $protocol); if($clientsocket === false) { $error_code = socket_last_error(); $socket_strerror = socket_strerror($error_code); die("socket_create: $socket_strerror"); } $socket_connect = socket_connect($clientsocket, $address, $port); if($socket_connect === false) { $error_code = socket_last_error($clientsocket); $socket_strerror = socket_strerror($error_code); die("socket_connect: $socket_strerror"); } $socket = socket_accept($serversocket); if($socket === false) { $error_code = socket_last_error($socket); $socket_strerror = socket_strerror($error_code); die("socket_accept: $socket_strerror"); } $data = 'data'; $socket_write = socket_write($socket, $data); if($socket_write === false) { $error_code = socket_last_error($socket); $socket_strerror = socket_strerror($error_code); die("socket_write: $socket_strerror"); } $mode = 2; $return = socket_shutdown($socket, $mode); var_export($return); //echo PHP_EOL; socket_close($socket); $length = 2048; $socket_read = socket_read($clientsocket, $length); if($socket_read === false) { $error_code = socket_last_error($clientsocket); $socket_strerror = socket_strerror($error_code); die("socket_read: $socket_strerror"); } //$return = socket_shutdown($clientsocket, $mode); //var_export($return); //echo PHP_EOL; socket_close($clientsocket); //$return = socket_shutdown($serversocket, $mode); //var_export($return); socket_close($serversocket);
true
Links
Sockets
- socket_accept
- socket_addrinfo_bind
- socket_addrinfo_connect
- socket_addrinfo_explain
- socket_addrinfo_lookup
- socket_atmark
- socket_bind
- socket_clear_error
- socket_close
- socket_cmsg_space
- socket_connect
- socket_create
- socket_create_listen
- socket_create_pair
- socket_export_stream
- socket_get_option
- socket_getopt
- socket_getpeername
- socket_getsockname
- socket_import_stream
- socket_last_error
- socket_listen
- socket_read
- socket_recv
- socket_recvfrom
- socket_recvmsg
- socket_select
- socket_send
- socket_sendmsg
- socket_sendto
- socket_set_block
- socket_set_nonblock
- socket_set_option
- socket_setopt
- socket_strerror
- socket_write
- socket_wsaprotocol_info_export
- socket_wsaprotocol_info_import
- socket_wsaprotocol_info_release