Redis::subscribe PHP Method

        public static function subscribe($channels, $callback, $connection = null, $method = 'subscribe')
        {
            \Illuminate\Redis\Database::subscribe($channels, $callback, $connection, $method);
        }

<?php

include_once 'helper.php';
include_once 'db.php';
ini_set('default_socket_timeout', -1);
function userinfo_chan($msg)
{
    $pubMsg = json_decode($msg, true);
    $db = new DB();
    $db->updateUser($pubMsg);
}
function subscribe_handler($redis, $chan, $msg)
{
    print_r($msg . "---\r\n");
    helper_log("redis submsg: " . $msg);
    switch ($chan) {
        case 'userinfo_chan':
            userinfo_chan($msg);
            break;
        case 'chan-2':
            break;
        case 'chan-3':
            break;
    }
}
$redis = new Redis();
$redis->connect('127.0.0.1', 6380);
$redis->subscribe(array('userinfo_chan'), 'subscribe_handler');