super-hog/app/Handlers/Handler.php

<?php

namespace App\Handlers;

/**
 *
 *
 *
 */

abstract class Handler
{
    /**
     *  
     *
     *  @param  String $className
     *  @return Mixed
     *
     */
    protected function getHandlerClass(String $className)
    {
        $result = NULL;

        // create class
        $class = 'App\\Handlers\\'.$className);

        // if not found check for custom handlers
        if (class_exists($class)) {
            $result = new $class();
        } else {

            // create class
            $class = 'CustomHandlers\\'.$className;

            if (class_exists($class)) {
                $result = new $class();
            }
        }

        return $result;
    }
}