RulesMerger (for Yii framework)

RulesMerger.php

<?php

class RulesMerger
{
	public static function merge()
    {
        $urlManager = Yii::app()->getUrlManager();
        $path = Yii::getPathOfAlias('application.modules');
        foreach(Yii::app()->getModules() as $k => $v)
        {
            if($k !== 'gii')
            {
                $file = $path.'/'.$k.'/config/rules.php';
                if(file_exists($file))
                {
                    $rules = require $file;
                    $urlManager->addRules($rules);
                }
            }
        }
    }
}