PHP code example of giantbits / yii2-htmx

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

giantbits / yii2-htmx example snippets

'components' => [
    'view' => [
        'renderers' => [
            'twig' => [
                'class' => 'yii\twig\ViewRenderer',
                'cachePath' => '@runtime/Twig/cache',
                'options' => ['auto_reload' => true],
            ],
        ],
    ],
],

namespace app\components;

use giantbits\htmx\HtmxComponent;

class Counter extends HtmxComponent
{
    public int $count = 0;

    protected function actions(): array
    {
        return ['increment', 'decrement'];
    }

    protected function resolveState(): void
    {
        $this->count = Yii::$app->session->get('counter', 0);
    }

    public function actionIncrement(): void
    {
        $this->resolveState();
        Yii::$app->session->set('counter', ++$this->count);
    }

    public function actionDecrement(): void
    {
        $this->resolveState();
        Yii::$app->session->set('counter', --$this->count);
    }
}

<?= \app\components\Counter::widget() 

namespace app\components;

use giantbits\htmx\HtmxComponent;

class JobFilter extends HtmxComponent
{
    public array $jobs = [];
    public array $filters = [];

    // Which actions can be called via HTMX
    protected function actions(): array
    {
        return ['filter', 'reset'];
    }

    // Load state before every render
    protected function resolveState(): void
    {
        $query = Job::find();
        if (!empty($this->props['category'])) {
            $query->andWhere(['category' => $this->props['category']]);
        }
        // Apply filters from POST data or session
        $this->filters = Yii::$app->session->get('jobFilters', []);
        foreach ($this->filters as $key => $value) {
            $query->andWhere([$key => $value]);
        }
        $this->jobs = $query->all();
    }

    public function actionFilter(array $params = []): void
    {
        $filters = Yii::$app->request->post();
        Yii::$app->session->set('jobFilters', $filters);
        // Component auto re-renders after the action
    }

    public function actionReset(): void
    {
        Yii::$app->session->remove('jobFilters');
    }
}

<form <?= $component->hxPost('filter') 

<?= JobCard::widget(['props' => ['id' => $job->id]]) 

protected function resolveState(): void
{
    $this->job = Job::findOne($this->props['id']);
}

public function actionAdd(): void
{
    // ... save to DB ...
    $this->emitEvent('jobListChanged');
}

$this->emitEvents(['jobListChanged', 'statsUpdated']);

// Remove element from DOM (e.g., after deleting a record)
$this->actionSwap = 'delete';

// Emit event for other components to react
$this->emitEvent('listChanged');

// Client-side redirect after action
$this->redirect('/some/url');

// Push URL to browser history
$this->pushUrl('/jobs?page=2');

// Set custom response HTML instead of re-rendering the template
$this->actionHtml = '<p>Custom response</p>';

'params' => [
    'htmx.version' => '2.0.4',  // HTMX version to load from CDN
    'htmx.local'   => false,    // true = load from local asset instead of CDN
],

components/
├── Counter.php
└── Counter.view.twig