Autoload Classes

autoload.php

<?php
/**
 * PHP Autoloader
 * */
class CAutoloader
{

    public static $loader;

    public static function init()
    {
        if (self::$loader == NULL)
            self::$loader = new self();

        return self::$loader;
    }

    public function __construct()
    {
        spl_autoload_register(array($this, 'controller'));
    }

    public function controller($className)
    {
        $className = preg_replace('#_#', '\\', $className);
        
        set_include_path(PROJECT_ROOT);
        spl_autoload_extensions('.php');
        spl_autoload($className);
    }
}