Implement client-to-server communication with PHP sockets

Service side

<?phperror_reporting (E_all); set_time_limit (0); Ob_implicit_flush ();//local ip$address = ' localhost ';//Set up with 111 port for communication $port = 111;//Create socketif (($sock = Socket_create (Af_inet, Sock_stream, sol_tcp)) < 0) {echo "Socket creation failure Reason". Socket_strerror ($sock). "\ n";} if ($ret = Socket_bind ($sock, $address, $port)) < 0) {echo "Create socket Failure Reason". Socket_strerror ($ret). "\ n";} Listen for if ($ret = Socket_listen ($sock, 5)) < 0) {echo "Listener failure Reason". Socket_strerror ($ret). "\ n";} Do {//Receive command if (($msgsock = @socket_accept ($sock)) < 0) {echo "command received failure reason:". Socket_strerror ($msgsock). "\ n"; $msg = "\nphp Test Server. \ n "." With Quit,shutdown,sun ... Wait for the command to test. \ n "; @socket_write ($msgsock, $msg, strlen ($msg));d o {if (false = = = ($buf = @socket_read ($msgsock, 2048, Php_normal_ READ)) {echo "Socket_read () Failed:reason:". Socket_strerror ($ret). "\ n"; Break 2;} if (! $buf = Trim ($buf)) {continue;} if ($buf = = ' quit ') {break;} if ($buf = = ' shutdown ') {socket_close ($msgsock); break 2;} if ($buf = = ' Sun ') {echo ' What is you DOing? ';} $talkback = "backinformation: ' $buf '. \ n"; Socket_write ($msgsock, $talkback, strlen ($talkback)); echo "$buf \ n";} while (true); Socket_close ($msgsock);} while (true); Socket_close ($sock);? >

Client code

<?phperror_reporting (E_all);//Port 111$service_port = 111;//local $address = ' localhost ';//create TCP/IP Socket$socket = Socket_create (Af_inet, Sock_stream, sol_tcp); if ($socket < 0) {echo "Socket creation failure Reason:". Socket_strerror ($socket). "\ n";} else {echo "Ok,he he.\n";} $result = Socket_connect ($socket, $address, $service _port), if ($result < 0) {echo "Socket connection failure Reason: ($result)". Socket_strerror ($result). "\ n";} else {echo "ok.\n";} Send command $in = "head/http/1.1\r\n"; $in. = "connection:close\r\n\r\n"; $out = "; echo" Send command ... "; $in =" sun\n " ; Socket_write ($socket, $in, strlen ($in)), echo "ok.\n"; echo "Reading backinformatin:\n\n"; while ($out = Socket_read ($ Socket, 2048) {echo $out;} echo "Close socket ..."; Socket_close ($socket); echo "Ok,he he.\n\n";? >

These two pieces of code is a simple introduction to the use of PHP to implement client and server communication
client.php
server.php
Specific operation, under DOS with the PHP command to open the server, in the listening state.
Open a DOS window, open the client with PHP command, will get the response from the server ....

　　

Implement client-to-server communication with PHP sockets