Bootstrap
The preferred way to install this extension is through composer.
Either run
php composer.phar require --prefer-dist bdb/yii2-bdb-bootstrap "*"
or add
"bdb/yii2-bdb-bootstrap": "*"
to the require section of your composer.json
file.
Once the extension is installed, simply use it in your code by :
<?= \bdb\bootstrap\Modal::widget(); ?>```