<?php

function debug($string)
{
    $separator = (php_sapi_name() == 'cli') ? "\n" : "<br>";
    echo $string . $separator;
}

Class Channel
{
    public static $channel;

    public static function create($channel)
    {
        self::$channel[] = $channel;
        return new static;
    }

    public static function getListByName()
    {
        sort(self::$channel);
        return new static;
    }

    public function getName()
    {

    }
}

$gaul = Channel::create('Channel Gaul');
$lebay = Channel::create('Channel Lebay');
$alay = Channel::create('Channel Alay');

foreach (Channel::getListByName() as $availableChannel) {
    debug($availableChannel->getName());
}