====== Externe Libraries einbinden ======

===== PHP-Libraries =====

  * In Composer einfügen
  * composer update lib/rary
  * in Yii verwenden mit new \PHPExcel::create() oder: 
  * use mPDF; $i = new mPDF();

===== CSS/Javascript =====

Im View: 
<code php>
$this->registerCssFile(\Yii::$app->request->baseUrl . '/css/shariff.complete.css');
$this->registerJsFile(\Yii::$app->request->baseUrl . '/js/shariff.min.js');
</code>

Im Controller: 
<code php>
$this->view->registerCssFile(\Yii::$app->request->baseUrl . '/css/shariff.complete.css');
$this->view->registerJsFile(\Yii::$app->request->baseUrl . '/js/shariff.min.js');
</code>