Exemplo n.º 1
0
<?php

require_once 'SharedConfigurations.php';
// Redis 2.0 features new commands that allow clients to subscribe for
// events published on certain channels (PUBSUB).
// Create a client and disable r/w timeout on the socket
$redis = new Predis_Client($single_server + array('read_write_timeout' => 0));
// Initialize a new pubsub context
$pubsub = $redis->pubSubContext();
// Subscribe to your channels
$pubsub->subscribe('control_channel');
$pubsub->subscribe('notifications');
// Start processing the pubsup messages. Open a terminal and use redis-cli
// to push messages to the channels. Examples:
//   ./redis-cli PUBLISH notifications "this is a test"
//   ./redis-cli PUBLISH control_channel quit_loop
foreach ($pubsub as $message) {
    switch ($message->kind) {
        case 'subscribe':
            echo "Subscribed to {$message->channel}\n";
            break;
        case 'message':
            if ($message->channel == 'control_channel') {
                if ($message->payload == 'quit_loop') {
                    echo "Aborting pubsub loop...\n";
                    $pubsub->unsubscribe();
                } else {
                    echo "Received an unrecognized command: {$message->payload}.\n";
                }
            } else {
                echo "Received the following message from {$message->channel}:\n", "  {$message->payload}\n\n";