PHP Listening socket

PHP Listening socket Set_time_limit (10); $commonProtocol = Getprotobyname ("TCP"); $socket = Socket_create (Af_inet, Sock_stream, $commonProtocol); if ($socket) { $result = Socket_bind ($socket, ' localhost ', 1337); if ($result) { $result = Socket_listen ($socket, 5); if ($result) { echo "Monitor success"; } } }else{ echo "Monitor failed"; } do { if ($msgsock = socket_accept ($socket))) {/* Send a message to the user who is connected */ $msg = "==========================================\r\n". "Welcome to the PHP Test Server. \r\n\r\n ". "To quit, type ' quit '." \ r \ n ". "To shut down the server type ' shutdown '. \ r \ n". "To get help message type ' help '. \ r \ n". "==========================================\r\n". "Php>"; } Socket_write ($msgsock, $msg, strlen ($msg)); do { $buf = Socket_read ($msgsock, 2048, php_binary_read); if (false = = = $buf) { echo "Socket_read () Failed:reason:". Socket_strerror ($result). "\ n"; Break 2; } if (! $buf = Trim ($buf)) { Continue }/* Client input QUIT command when closing client connection */ if ($buf = = ' Q ') { Break }/* Client input Shutdown command when both server and client are off */ if ($buf = = ' shutdown ') { Socket_close ($msgsock); Break 2; }///Client Input help command when output assistance information */ if ($buf = = ' h ') { $msg = "PHP Server help Message \r\n\r\n". "To quit, type ' quit '." \ r \ n ". "To shut down the server type ' shutdown '. \ r \ n". "To get help message type ' help '. \ r \ n". "Php>"; Socket_write ($msgsock, $msg, strlen ($msg)); Continue }/* Prompt message when the client input command does not exist */ $talkback = "php:unknow command ' $buf ' .\r\nphp>"; Socket_write ($msgsock, $talkback, strlen ($talkback)); echo "$BUF \ n"; } while (true); Socket_close ($msgsock); }while (TRUE); /* Close the socket connection */ Socket_close ($socket); Copy Code

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