74 lines
2.3 KiB
PHP
74 lines
2.3 KiB
PHP
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<?php
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use Workerman\Worker;
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use Workerman\WebServer;
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use Workerman\Autoloader;
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use PHPSocketIO\SocketIO;
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// composer autoload
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require_once join(DIRECTORY_SEPARATOR, array(__DIR__, "..", "..", "vendor", "autoload.php"));
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$io = new SocketIO(2020);
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$io->on('connection', function($socket){
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$socket->addedUser = false;
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// when the client emits 'new message', this listens and executes
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$socket->on('new message', function ($data)use($socket){
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// we tell the client to execute 'new message'
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$socket->broadcast->emit('new message', array(
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'username'=> $socket->username,
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'message'=> $data
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));
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});
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// when the client emits 'add user', this listens and executes
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$socket->on('add user', function ($username) use($socket){
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if ($socket->addedUser)
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return;
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global $usernames, $numUsers;
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// we store the username in the socket session for this client
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$socket->username = $username;
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++$numUsers;
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$socket->addedUser = true;
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$socket->emit('login', array(
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'numUsers' => $numUsers
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));
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// echo globally (all clients) that a person has connected
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$socket->broadcast->emit('user joined', array(
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'username' => $socket->username,
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'numUsers' => $numUsers
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));
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});
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// when the client emits 'typing', we broadcast it to others
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$socket->on('typing', function () use($socket) {
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$socket->broadcast->emit('typing', array(
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'username' => $socket->username
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));
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});
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// when the client emits 'stop typing', we broadcast it to others
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$socket->on('stop typing', function () use($socket) {
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$socket->broadcast->emit('stop typing', array(
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'username' => $socket->username
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));
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});
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// when the user disconnects.. perform this
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$socket->on('disconnect', function () use($socket) {
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global $usernames, $numUsers;
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if($socket->addedUser) {
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--$numUsers;
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// echo globally that this client has left
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$socket->broadcast->emit('user left', array(
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'username' => $socket->username,
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'numUsers' => $numUsers
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));
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}
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});
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});
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if (!defined('GLOBAL_START')) {
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Worker::runAll();
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}
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