FilipQL/TagController.php

## TagController.php
<?php
/* For more details see: http://laraget.com/blog/select2-and-laravel-ajax-autocomplete */
namespace App\Http\Controllers\Select2Ajax;

use App\Tag;
use Illuminate\Http\Request;
use App\Http\Requests;
use App\Http\Controllers\Controller;

class TagController extends Controller
{
    /**
     * @param Request $request
     * @return \Illuminate\Http\JsonResponse
     */
    public function find(Request $request)
    {
        $term = trim($request->q);

        if (empty($term)) {
            return \Response::json([]);
        }

        $tags = Tag::search($term)->limit(5)->get();

        $formatted_tags = [];

        foreach ($tags as $tag) {
            $formatted_tags[] = ['id' => $tag->id, 'text' => $tag->name];
        }

        return \Response::json($formatted_tags);
    }
}

## tags.blade.php
{{-- For more details see: http://laraget.com/blog/select2-and-laravel-ajax-autocomplete --}}
<!doctype html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <meta charset="UTF-8">
    <title>Select2 Ajax Example</title>
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet">
    <link href="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/css/select2.min.css" rel="stylesheet" />
</head>
<body>
    <div class="container">
        <div class="row">
            <div class="col-md-6">
                <form>
                    <div class="form-group">
                        <label for="tag_list">Tags:</label>
                        <select id="tag_list" name="tag_list[]" class="form-control" multiple></select>
                    </div>
                </form>
            </div>
        </div>
    </div>

    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/js/select2.min.js"></script>
    <script>
        $('#tag_list').select2({
            placeholder: "Choose tags...",
            minimumInputLength: 2,
            ajax: {
                url: '/tags/find',
                dataType: 'json',
                data: function (params) {
                    return {
                        q: $.trim(params.term)
                    };
                },
                processResults: function (data) {
                    return {
                        results: data
                    };
                },
                cache: true
            }
        });
    </script>
</body>
</html>

## web.php
<?php
    /* For more details see: http://laraget.com/blog/select2-and-laravel-ajax-autocomplete */
    Route::get('/tags', function() {
        return view('tags');
    });
    Route::get('/tags/find', 'Select2Ajax\TagController@find');
	<?php
	/* For more details see: http://laraget.com/blog/select2-and-laravel-ajax-autocomplete */
	namespace App\Http\Controllers\Select2Ajax;

	use App\Tag;
	use Illuminate\Http\Request;
	use App\Http\Requests;
	use App\Http\Controllers\Controller;

	class TagController extends Controller
	{
	/**
	* @param Request $request
	* @return \Illuminate\Http\JsonResponse
	*/
	public function find(Request $request)
	{
	$term = trim($request->q);

	if (empty($term)) {
	return \Response::json([]);
	}

	$tags = Tag::search($term)->limit(5)->get();

	$formatted_tags = [];

	foreach ($tags as $tag) {
	$formatted_tags[] = ['id' => $tag->id, 'text' => $tag->name];
	}

	return \Response::json($formatted_tags);
	}
	}
	{{-- For more details see: http://laraget.com/blog/select2-and-laravel-ajax-autocomplete --}}
	<!doctype html>
	<html lang="en">
	<head>
	<meta charset="utf-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<meta charset="UTF-8">
	<title>Select2 Ajax Example</title>
	<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet">
	<link href="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/css/select2.min.css" rel="stylesheet" />
	</head>
	<body>
	<div class="container">
	<div class="row">
	<div class="col-md-6">
	<form>
	<div class="form-group">
	<label for="tag_list">Tags:</label>
	<select id="tag_list" name="tag_list[]" class="form-control" multiple></select>
	</div>
	</form>
	</div>
	</div>
	</div>

	<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
	<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/js/select2.min.js"></script>
	<script>
	$('#tag_list').select2({
	placeholder: "Choose tags...",
	minimumInputLength: 2,
	ajax: {
	url: '/tags/find',
	dataType: 'json',
	data: function (params) {
	return {
	q: $.trim(params.term)
	};
	},
	processResults: function (data) {
	return {
	results: data
	};
	},
	cache: true
	}
	});
	</script>
	</body>
	</html>
	<?php
	/* For more details see: http://laraget.com/blog/select2-and-laravel-ajax-autocomplete */
	Route::get('/tags', function() {
	return view('tags');
	});
	Route::get('/tags/find', 'Select2Ajax\TagController@find');