public function safeUp() { $path1 = Yii::getPathOfAlias('ygin.assets.bootstrap'); $path2 = Yii::getPathOfAlias('application.assets.bootstrap'); $files = array('/css/bootstrap.min.css', '/css/bootstrap-responsive.min.css', '/js/bootstrap.min.js', '/img/glyphicons-halflings.png', '/img/glyphicons-halflings-white.png'); foreach ($files as $path) { HFile::copyFile($path1 . $path, $path2 . $path); } }