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    stream_socket_accept

    (PHP 5, PHP 7, PHP 8)

    stream_socket_accept — Accept a connection on a socket created by stream_socket_server()

    Beschreibung

    stream_socket_accept(resource $socket, ?float $timeout = null, string &$peer_name = null): resource|false

    Accept a connection on a socket previously created by stream_socket_server().

    Parameter-Liste

    socket

    The server socket to accept a connection from.

    timeout

    Override the default socket accept timeout. Time should be given in seconds. By default, default_socket_timeout is used.

    peer_name

    Will be set to the name (address) of the client which connected, if included and available from the selected transport.

    Hinweis:

    Can also be determined later using stream_socket_get_name().

    Rückgabewerte

    Returns a stream to the accepted socket connectionBei einem Fehler wird false zurückgegeben..

    Changelog

    Version Beschreibung
    8.0.0 timeout is now nullable.

    Anmerkungen

    Warnung

    This function should not be used with UDP server sockets. Instead, use stream_socket_recvfrom() and stream_socket_sendto().

    Siehe auch

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    User Contributed Notes 2 notes

    up
    6
    leleu256NOSPAM at hotmail dot com
    20 years ago
    This code could be very helpfull...

    The following code is for the "server". It listen for a message until CTRL-C

    <?php
    while (true)
    {
    // disconnected every 5 seconds...
    receive_message('127.0.0.1','85',5);
    }

    function     receive_message($ipServer,$portNumber,$nbSecondsIdle)
    {
    // creating the socket...
    $socket = stream_socket_server('tcp://'.$ipServer.':'.$portNumber, $errno, $errstr);
    if (!    $socket)
    {
    echo     "$errstr ($errno)<br />\n";
    }
    else
    {
    // while there is connection, i'll receive it... if I didn't receive a message within $nbSecondsIdle seconds, the following function will stop.
    while ($conn = @stream_socket_accept($socket,$nbSecondsIdle))
    {
    $message= fread($conn, 1024);
    echo     'I have received that : '.$message;
    fputs ($conn, "OK\n");
    fclose ($conn);
    }
    fclose($socket);
    }
    }
    ?>

    The following code is for the "client". It send a message, and read the respons...

    <?php

    send_message    ('127.0.0.1','85','Message to send...');

    function     send_message($ipServer,$portServer,$message)
    {
    $fp = stream_socket_client("tcp://$ipServer:$portServer", $errno, $errstr);
    if (!    $fp)
    {
    echo     "ERREUR : $errno - $errstr<br />\n";
    }
    else
    {
    fwrite($fp,"$message\n");
    $response = fread($fp, 4);
    if (    $response != "OK\n")
    {echo     'The command couldn\'t be executed...\ncause :'.$response;}
    else
    {echo     'Execution successfull...';}
    fclose($fp);
    }
    }
    ?>
    up
    5
    Andy at txtNation dot com
    13 years ago
    To check if there's a new connection waiting, without blocking, or (when using non-blocking mode) without notices), you can use stream_accept (as opposed to socket_select).

    <?php

    class GenericClass {

    protected     $resSocket=null;

    function     acceptConnections() {

    # check that we still have a resource

    if(is_resource($this->resSocket)) {

    $arrRead=array($this->resSocket);

    $arrWrite=array();

    /** @warning Passing $arrRead,$arrWrite by reference */
    if(stream_select($arrRead,$arrWrite,$arrWrite,0)) {

    $resConnection=stream_socket_accept($this->resSocket,0);

    # ... other stuff here
    }
    }
    }
    }
    ?>
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