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13 years ago
After many non-sleep nights I got the most simple multi-client server written in PHP that really works. Ctrl+C and Ctrl+V... use as command line to test it. Enjoy it.



<?php



ini_set('error_reporting', E_ALL ^ E_NOTICE);

ini_set('display_errors', 1);



// Set time limit to indefinite execution

set_time_limit (0);



// Set the ip and port we will listen on

$address = '10.203.9.67';

$port = 6901;



// Create a TCP Stream socket

$sock = socket_create(AF_INET, SOCK_STREAM, 0);



// Bind the socket to an address/port

socket_bind($sock, $address, $port) or die('Could not bind to address');



// Start listening for connections

socket_listen($sock);



// Non block socket type

socket_set_nonblock($sock);



// Loop continuously

while (true)

{

    unset($read);



    $j = 0;



    if (count($client))

    {

        foreach ($client AS $k => $v)

        {

            $read[$j] = $v;



            $j++;

        }

    }



    $client = $read;



    if ($newsock = @socket_accept($sock))

    {

        if (is_resource($newsock))

        {

            socket_write($newsock, "$j>", 2).chr(0);

            

            echo "New client connected $j";



            $client[$j] = $newsock;



            $j++;

        }

    }



    if (count($client))

    {

        foreach ($client AS $k => $v)

        {

            if (@socket_recv($v, $string, 1024, MSG_DONTWAIT) === 0)

            {

                unset($client[$k]);



                socket_close($v);

            }

            else

            {

                if ($string)

                {

                    echo "$k: $string\n";

                }

            }

        }

    }



    //echo ".";



    sleep(1);

}



// Close the master sockets

socket_close($sock);

?>
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