jquery select2: error in getting data from php-mysql

Question

I am testing select2 plugin in my local machine. But for some reason. it is not collecting the data from database.

I tried multiple times but not

Answer 1

Configuration for select2 v4+ differs from v3.5+

It will work for select2 v4:

HTML

JS

$(".tags-select").select2({
  tags: true,
  ajax: {
    url: "fetch.php",
    processResults: function (data, page) {
      return {
        results: data
      };
    }
  }
});