Examples of PHP programming with sockets

  This article mainly introduces PHP using socket Programming example, we refer to the use of the bar

2 php Test files server.php     code as follows: <?php//phpinfo (); Ensure that the client is not timed out set_time_limit (0);   $IP = ' 127.0.0.1 '; $port = 1935;  /*  +------------------------------- *     @socket communication process  +------------------------- ------ *     @socket_create  *     @socket_bind  *     @socket_listen  *     @socket_accept  *     @socket_read  *     @socket_write  *    @ Socket_close  +-------------------------------- */ /*----------------    The following operations are in the manual.    -------------------*/if ($sock = Socket_create (AF_INET,SOCK_STREAM,SOL_TCP) < 0) {    echo " Socket_create () The reason for the failure is: ". Socket_strerror ($sock)." n "; }   if (($ret = Socket_bind ($sock, $ip, $port)) < 0) {    echo ' Socket_bind () failed because of: ". Socket_strerror ($re T). " n "; }   if (($ret = Socket_listen ($sock, 4)) < 0) {    echo socket_listen () The reason for the failure is: ". Socket_strerror ($ret)." n "; }   $count = 0;   Do {    if ($msgsock = socket_accept ($sock)) < 0) {        Echo socket_accept ( ) Failed:reason: ". Socket_strerror ($msgsock). "N";         break;    } else {         //Sent to client         $msg = "Test success!" n ";         Socket_write ($msgsock, $msg, strlen ($msg));           echo "Test succeeded Ah N";         $BUF = Socket_read ($msgsock, 8192);                    $talkback = "Received information: $BUFN";         echo $talkback;           if (+ + $count >= 5) {            break;     &N Bsp  };           }    //echo $buf;     Socket_close ($msgsock);  } while (true);   Socket_close ($sock);?>         client.php   code as follows: <?php error_reporting (E_all); Set_time_limit (0); echo "<h2>tcp/ip connection</h2>n";   $port = 1935; $ip = "127.0.0.1";  /*  +------------------------------- *     @socket connect the entire process  +------------------------- ------ *     @socket_create  *     @socket_connect  *     @socket_write  *     @socket_read  *     @socket_close  +-------------------------------- */   $socket = Socket_create (Af_inet, Sock_stream, sol_tcp); if ($socket < 0) {    echo "Socket_create () Failed:reason:". Socket_strerror ($socket). "N"; }else {    echo "OK.N";}   echo "Attempts to connect ' $ip ' port ' $port ' ... n"; $result = Socket_connect ($socket, $ip, $port); if ($result < 0) {    echo "Socket_connect () Failed.nreason: ($result)". Socket_strerror ($result). "N"; }else {    echo "Connection OKn "; }   $in = "Horn"; $in. = "BLOODRN"; $out = ';   if (!socket_write ($socket, $in, strlen ($in)) {    echo socket_write () Failed:reason: ". Socket_strerror ($socket). "N"; }else {    echo "sent to server information successfully!" n ";     echo "sent the content: <font color= ' red ' > $in </font> <br>"; }   while ($out = Socket_read ($socket, 8192)) {    echo "Receive server return information successfully!" n ";     echo "accepted:", $out;}   echo "Close SOCKET...N"; Socket_close ($socket); echo "Close Okn";?>       Listening     code is as follows: #/usr/local/php/bin/php  /USR/LOCAL/APACHE2/HTDOCS/S erver.php       request code is as follows: # /usr/local/php/bin/php/usr/local/apache2/htdocs/client.php default PHP is not The code to open the socket is as follows: #cd./ext/sockets/#/usr/local/php/bin/phpize #/configure--enable-sockets--with-php-config=/usr/ Local/php/bin/php-config # make # make install php.ini modify configuration Add code as follows: extension=sockets.so Restart the Apache code as follows: #/usr/loc     Al/apache2/bin/apachectl Restart configuration changes under Windows PHP.ini code is as follows: Extension=php_sockets.dll reboot Apache cmd down to 2 PHP installation directory The code is as follows: C:/php/php.exe f:web/server.php C:/php/php.exe f:web/client.php