Simple php socket instance and phpsocket instance

Simple php socket instance and phpsocket instance

Server:

1 <? Php 2 set_time_limit (0); 3 4 $ ip = '2017. 0.0.1 '; 5 $ port = 8888; 6 7 // 1. create 8 if ($ sock = socket_create (AF_INET, SOCK_STREAM, SOL_TCP) = FALSE) {9 echo 'create fail :'. socket_strerror (socket_last_error (); 10} 11 12 // 2. bind 13 if (socket_bind ($ sock, $ ip, $ port) = FALSE) {14 echo 'Bind fail :'. socket_strerror (socket_last_error (); 15} 16 17 // 3. listen to 18 if (socket_listen ($ sock, 4) = FALSE) {1 9 echo 'Listen fail :'. socket_strerror (socket_last_error (); 20} 21 22 $ count = 0; 23 24 do {25 // 4. blocking, waiting for client request 26 if ($ msgsock = socket_accept ($ sock) = FALSE) {27 28 echo 'Accept fail :'. socket_strerror (socket_last_error (); 29 30 break; 31} else {32 33 // 5. write information 34 $ msg = 'server send successfully! '; 35 socket_write ($ msgsock, $ msg, strlen ($ msg); 36 37 38 // 5. Read client information 39 echo' ----- test successfully! ------ '; 40 $ buf = socket_read ($ msgsock, 8192); 41 42 43 $ talkback = 'receive client :'. $ buf; 44 echo $ talkback; 45 46 47 if ($ count> = 5) {48 break; 49} 50} 51 52 // 6. disable socket53 socket_close ($ msgsock); 54 55} while (true); 56 57 // 6. disable socket58 socket_close ($ sock );

 

 

Client:

<? Phperror_reporting (E_ALL); set_time_limit (0); $ ip = '2017. 0.0.1 '; $ port = 8888; // 1. create $ socket = socket_create (AF_INET, SOCK_STREAM, SOL_TCP); if ($ socket = FALSE) {echo 'create fail :'. socket_strerror (socket_last_error ();} else {echo 'OK';} // 2. link echo 'we will try to connect '. $ ip. ':'. $ port. '\ r \ n ----'; $ result = socket_connect ($ socket, $ ip, $ port); if ($ result = FALSE) {}$ in = 'ho '; $ in . = 'First blood -------- '; $ out = ''; // 3. Write if (! Socket_write ($ socket, $ in, strlen ($ in) {echo 'write fail :'. socket_strerror (socket_last_error ();} else {echo '----- send to server succefully! \ R \ n ---- '; echo 'the content is '. $ in;} // 3. read while ($ out = socket_read ($ socket, 8129) {echo '----- receive from server succefully! \ R \ n ------ '; echo 'The contents is '. $ out;} // 4. close echo '---- close socket... '; socket_close ($ socket); echo 'closed OK. ';