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작성자 루미집사 댓글 3건 조회 9,654회 작성일 23-02-22 23:40

chatGPT :: PHP 채팅 프로그램 예제

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php로 채팅 프로그램 예제를 만들어 줘


채팅 프로그램 예제를 구현하려면 서버와 클라이언트 간의 통신이 필요합니다. 서버와 클라이언트 간의 통신에는 일반적으로 소켓을 사용합니다. 이를 구현하기 위해 PHP에서는 socket_create(), socket_bind(), socket_listen(), socket_accept(), socket_read(), socket_write(), socket_close() 등의 함수를 사용할 수 있습니다.

아래는 간단한 채팅 프로그램 예제입니다. 이 예제에서는 클라이언트가 메시지를 입력하면 서버에 전송되어 다른 클라이언트들에게 브로드캐스트됩니다.
 

<?php
$host = "127.0.0.1";
$port = 9999;

$socket = socket_create(AF_INET, SOCK_STREAM, 0) or die("Could not create socket\n");
socket_bind($socket, $host, $port) or die("Could not bind to socket\n");
socket_listen($socket) or die("Could not listen on socket\n");

echo "Server started. Listening on $host:$port...\n";

$clients = array($socket);

while (true) {
    $read = $clients;
    $write = NULL;
    $except = NULL;

    if (socket_select($read, $write, $except, 0) < 1) {
        continue;
    }

    if (in_array($socket, $read)) {
        $client = socket_accept($socket) or die("Could not accept incoming connection\n");
        array_push($clients, $client);
        $index = array_search($socket, $read);
        unset($read[$index]);
    }

    foreach ($read as $client) {
        $data = socket_read($client, 1024) or die("Could not read input\n");
        $data = trim($data);

        if ($data == "quit") {
            $index = array_search($client, $clients);
            socket_close($client);
            unset($clients[$index]);
            continue;
        }

        echo "Received message: $data\n";

        foreach ($clients as $other_client) {
            if ($other_client !== $socket && $other_client !== $client) {
                socket_write($other_client, $data."\n");
            }
        }
    }
}

socket_close($socket);
?>

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