_php instance analysis of an automatic search Yii-widget-select2 instance in Yii2 frame using Pull-down menu

An example of this article describes the method of automatic search yii-widget-select2 using Pull-down menus in the YII2 framework. Share to everyone for your reference, specific as follows:

Source code address in GitHub: Https://github.com/kartik-v/yii2-widget-select2

Install this plugin with Composer.phar:

PHP Composer.phar require kartik-v/yii2-widget-select2 "*"

Reference method:

Use Kartik\select2\select2;

Source:

<?= $form->field ($model, ' companies_company_id ')->widget (Select2::classname (), [
  ' Data ' => Arrayhelper::map (Companies::find ()->all (), ' company_id ', ' company_name '),
  ' language ' => ' en ',
  ' Options ' => [' placeholder ' => ' Select a State ... '],
  ' pluginoptions ' => [
    ' allowclear ' => true
  ],
]); ?>

Detailed explanation of related content: Http://demos.krajee.com/widget-details/select2

I hope this article will help you with the PHP program design based on the YII framework.