Yii2 select2 widget.

Select2 widget is a wrapper of Select2 for Yii 2 framework.

Install

php composer.phar require --prefer-dist consultnn/yii2-select2 "*"

or add to composer.json

"consultnn/yii2-select2": "*"

Usage

echo $form->field($model, 'attribute')->widget(
    \consultnn\select2\Select2::className(),
    [
        'options' => [
            'multiple' => true
        ],
        'items' => $items, // @see Html::dropDownList() $items argument
        'pluginOptions' => [
            'ajax' => [
                'url' => Url::toRoute(['controller/autoComplete']), // return Json::encode(['results' => [['id' => 1, 'text' => 'text1'], ...]]);
                'dataType' => 'json'
            ]
        ]
    ]
);