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Using Livewire with WordPress

With the release of Acorn v4 came the final implementations needed for Livewire support alongside your Acorn-powered WordPress themes and plugins.

In this guide, we will walk through installing Livewire and using a component in a Sage 10 theme.

# Installing Livewire

Start by installing Livewire alongside where you installed Acorn:

$ composer require livewire/livewire

Once installed, Livewire requires you have an APP_KEY set in your environment. You can generate this using Acorn's CLI:

$ wp acorn key:generate

# Enqueueing Livewire

Adding the Livewire styles and scripts can be done using the @livewireStyles and @livewireScripts directives.

This can be done by manually inserting them inside of app.blade.php or by rendering them inside of WordPress hooks using the Blade facade.

For this example, we will do it using hooks inside of app/setup.php:

use Illuminate\Support\Facades\Blade;

add_filter('wp_head', function () {
    echo Blade::render('@livewireStyles');

add_filter('wp_footer', function () {
    echo Blade::render('@livewireScripts');

# Creating a Component

For this example, we will create a simple searchable Post List component. Start by generating the component using Acorn's CLI:

$ wp acorn make:livewire PostList

Inside of app/Livewire/PostList.php, we can create a $query property to hold our search term and perform a simple get_posts() with the query if it is not empty:


namespace App\Livewire;

use Livewire\Attributes\Url;
use Livewire\Component;

class PostList extends Component
     * The search query.
    public string $query = '';

     * Render the component.
     * @return \Illuminate\View\View
    public function render()
        $posts = $this->query ? get_posts([
            'post_type' => 'post',
            'post_status' => 'publish',
            's' => $this->query,
        ]) : [];

        $posts = collect($posts);

        return view('', compact('posts'));

In resources/views/livewire/post-list.blade.php, we can add some simple markup consisting of an <input> for the search $query and a loop of any found posts:

    placeholder="Search posts..."

  @if ($query)
    @if ($posts)
      <p>Found {{ $posts->count() }} result(s) for "{{ $query }}"</p>

        @foreach ($posts as $post)
            <a href="{{ get_permalink($post->ID) }}">
              {{ $post->post_title }}
      <p>No results found for "{{ $query }}"</p>
    <p>Start typing to search...</p>

Once done, you can add the Livewire component into one of your existing Blade views/templates:

<livewire:post-list />

To learn more about Livewire, head over to the official Livewire Documentation.


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