Do you use a CSS framework?

ATK UI began 2 years ago as a project to wrap CSS framework into PHP objects. We started with Fields, Forms, Tables and Menus. Then we added callbacks to enable interactivity. Then came layouts. Next we integrated data mapping and persistence frameworks; virtual pages and JavaScript action abstraction; dynamic popups, real-time console and progress-bar. We have even added high-level components such as wizard and dynamic tabs and make them extremely simple to use!

Quick-Links: Documentation. Namespaces. Demo-site. ATK Data. Forum. Chat. Commercial support. Udemy Course.

Monthly Downloads: 20,115
Programming language: PHP
License: MIT License
Tags: CRUD Generator     Crud     Framework     Css     Web     Component     Form     render     Bootstrap     UI     Grid     Widget     Button     Gadget    
Latest version: v2.3.5

ATK UI alternatives and similar libraries

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Agile UI - Low-code PHP Framework for Web Apps

Agile Toolkit is a Low Code framework written in PHP. Agile UI implement server side rendering engine and over 50 UI generic components for interacting with your Data Model.

Agile UI is quickest way for building back-end UI, admin interfaces, data management systems for medium and large projects designed around roles, complex logic, formulas.

  • Agile UI relies on abstract data. It could be stored in SQL, NoSQL or in external API.
  • Agile UI adjusts to your data model. If you change your model structure, UI will reflect that.
  • Agile UI offers out-of-the-box components, you don't need front-end development experience.
  • Agile UI is interactive, making it very easy to trigger PHP code on JS events.
  • Agile UI is compact - single file, several lines of code - that's all it takes.
  • Agile UI is extensible - integrates VueJS for custom components and interactive behaviours.

Build CodeCov [GitHub release](CHANGELOG.md) Code Climate

Quick-Links: Documentation. Demo-site. ATK Data. Forum. Chat. Commercial support.

How does Agile Toolkit work?

The goal of Agile Toolkit is to reduce amount of coding to build general purpose web applications. There are three steps involved:

  1. Define your "Data Model" through Agile Data Framework and associate with SQL, NoSQL or API.
  2. Initialize UI components, connecting them to Data Model to build User Interface for your application.
  3. If needed - Use Agile API to provide API access for your Mobile/React app or IoT devices.

Agile Data allows you to define models, fields, relations, formulas, aggregates, expressions, user action and access control rules. Both Agile UI and Agile API will follow those rules.

Integrations and Apps using Agile UI

Agile UI can integrate with frameworks like Laravel or Symfony, has integration with Wordpress and there are several high-level projects developed entirely on Agile Toolkit.

Who uses Agile Toolkit?

Many companies use Agile Toolkit to implement admin interface and in some cases even user-facing interface.

How does it work?

Download from www.agiletoolkit.org or Install ATK UI with composer require atk4/ui

Create "index.php" file with:


require_once __DIR__ . '/vendor/autoload.php';

$app = new \Atk4\Ui\App();

$form = \Atk4\Ui\Form::addTo($app);
$form->onSubmit(function (Form $form) {
    // implement subscribe here

    return $form->success('Subscribed ' . $form->model->get('email') . ' to newsletter.');

// decorate anything
$form->buttonSave->icon = 'mail';

// everything renders automatically

Open PHP in the browser and observe a fully working and good looking form:


ATK UI relies on https://fomantic-ui.com CSS framework to render the form beautifully. It also implements submission call-back in a very straightforward way. The demo also demonstrates use of JavaScript action, which can make objects interract with each-other (e.g. Form submit reloads Table).

Database Integration with ATK Data

To get most of ATK UI, use ATK Data to describe your business models such as "User" or "Purchase". When you define models, you can start using some more advanced components:

Crud is a fully-interractive component that supports pagination, reloading, conditions, data formatting, sorting, quick-search, ordering, custom actions and modals, but at the same time is very easy to use:

$app = new \Atk4\Ui\App('hello world');
$app->db = \Atk4\Data\Persistence::connect('mysql://user:pass@localhost/atk');

    ->setModel(new User($app->db));

ATK Data allows you to set up relations between models:

class User extends Model
    protected function init(): void

        $this->addField('gender', ['enum' => 'female', 'male', 'other']);
        $this->hasMany('Purchases', ['model' => [Purchase::class]]);

Conventional Crud works only with a single model, but with add-on you can take advantage this relationship information: https://github.com/atk4/mastercrud

use \Atk4\Mastercrud\MasterCrud;

// set up $app here

$master_crud = MasterCrud::addTo($app)
    ->setModel(new User($app->db), [
        'Purchases' => [],

Agile UI can be styled

It's easy to create your own application styling. Here are some example UI:



As of version 2.0 - Agile Toolkit offers support for User Actions. Those are easy to define in your Data Model declaration:

$this->addUserAction('archive', function (Model $m) {
    $m->set('is_archived', true);

User interface such as Crud or Card will automatically recognize new action and offer user to execute it. You can also control who has permission to execute actions through our ACL system.

Agile UI Feature highlights

Agile UI has some unique features:

Callbacks. Callbacks everywhere!

One of the fundamental features of ATK is Callback - ability to dynamically generate a route then have JS part of the component invoke it. Thanks to this approach, code can be fluid, simple and readable:

$tabs = \Atk4\Ui\Tabs::addTo($app);
\Atk4\Ui\Message::addTo($tabs->addTab('Intro'), ['Other tabs are loaded dynamically!']);

$tabs->addTab('Users', function (\Atk4\Ui\VirtualPage $p) use ($app) {
    // this tab is loaded dynamically, but also contains dynamic component

        ->setModel(new User($app->db));

$tabs->addTab('Settings', function (\Atk4\Ui\VirtualPage $p) use ($app) {
    // second tab contains an AJAX form that stores itself back to DB

    $m = new Settings($app->db);
    $m = $m->load(2);


Another component implementation using a very friendly PHP syntax:


You get most benefit when you use various ATK UI Components together. Try the following demo: https://ui.agiletoolkit.org/demos/interactive/wizard.php. The demo implements:

  • Multi-step wizard with ability to navigate forward and backward
  • Form with validation
  • Data memorization in the session
  • Table with column formatter, Messages
  • Real-time output console

With ATK it takes about 50 lines of PHP code only to build it all.

Getting Started: Build your admin

It's really easy to put together a complex Admin system. Add this code to a new PHP file (tweak it with your database details, table and fields):


$app = new \Atk4\Ui\App('My App');
$app->db = \Atk4\Data\Persistence::connect('mysql://user:pass@localhost/yourdb');

class User extends \Atk4\Data\Model
    public $table = 'user';

    protected function init(): void

        $this->addField('email', ['required' => true]);

    ->setModel(new User($app->db));

The result is here:


Bundled and Planned components

Agile UI comes with many built-in components:

All components can be view using the demos application.

Component Description Introduced
View Template, Render Tree and various patterns 0.1
Button Button in various variations including icons, labels, styles and tags 0.1
Input Decoration of input fields, integration with buttons. 0.2
JS Assign JS events and abstraction of PHP callbacks. 0.2
Header Simple view for header. 0.3
Menu Horizontal and vertical multi-dimensional menus with icons. 0.4
Form Validation, Interactivity, Feedback, Layouts, Field types. 0.4
Layouts Admin, Centered. 0.4
Table Formatting, Columns, Status, Link, Template, Delete. 1.0
Grid Toolbar, Paginator, Quick-search, Expander, Actions. 1.1
Message Such as "Info", "Error", "Warning" or "Tip" for easy use. 1.1
Modal Modal dialog with dynamically loaded content. 1.1
Reloading Dynamically re-render part of the UI. 1.1
Actions Extended buttons with various interactions 1.1
Crud Create, List, Edit and Delete records (based on Advanced Grid) 1.1
Tabs 4 Responsive: Admin, Centered, Site, Wide. 1.2
Loader Dynamically load itself and contained components inside. 1.3
Modal View Open/Load contained components in a dialog. 1.3
Breadcrumb Push links to pages for navigation. Wizard. 1.4
ProgressBar Interactive display of a multi-step PHP code execution progress 1.4
Console Execute server/shell commands and display progress live 1.4
Items and Lists Flexible and high-performance way to display lists of items. 1.4
Wizard Multi-step, wizard with temporary data storing. 1.4
Actions Vizualization of user-defined actions 2.0

Add-ons and integrations



All bundled components are free and licensed under MIT license. They are installed together with Agile UI.

External and 3rd party components may be subject to different licensing terms.

Documentation and Community

ATK UI makes active use of ATK Core and ATK Data frameworks.

ATK UI Schematic


Credits and License

Agile UI, Data and API are projects we develop in our free time and offer you free of charge under terms of MIT license. If you wish to say thanks to our core team or take part in the project, please contact us through our chat on Gitter.


*Note that all licence references and agreements mentioned in the ATK UI README section above are relevant to that project's source code only.