<?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";