Functions in Yii

Yii 2.0 General Discussions
1

Hi , i m using this function in my controller : sendElasticEmail($to, $subject, $body_text, $body_html, $from, $fromName), but when i call it in actionIndex() gets me this error :

PHP Fatal Error – yii\base\ErrorException

Call to undefined function app\controllers\sendElasticEmail()

2

Please, show your controller code.

3

Okay i solved it with : $this. Thanks anyway