Block binding example for twig-templating block

bindings.php

<?php

// Example for https://github.com/jasalt/twig-templating-block (2025-08-15 714be3a)

// Example template
// <div class="favourited-videos {{ editor_classes }}">
//   {% if videos %}
//     {% for video in videos %}
//       {{ include_template_part('cpt-video-card', video.id) }}
//     {% endfor %}
//   {% else %}
//     <p>No videos to found</p>
//   {% endif %}
// </div>

add_action('init', function(){
    register_block_bindings_source(
        'my-plugin/favourited-videos',
        [
            'label' => __('Favourited Videos', 'my-plugin'),
            'get_value_callback' => 'get_favourited_videos_binding_value',
        ]
    );
});

/**
 * Get favourited videos for the current user
 * Accepts block binding argument: 'limit': int
 * e.g {"limit": 3}
 *
 * @param array $source_args The source arguments.
 * @param WP_Block $block_instance The block instance.
 * @return Timber\Post[] An array of Timber Post objects of user's favourited videos.
 */
function get_favourited_videos_binding_value($source_args, $block_instance) {

    if (!is_user_logged_in()) {
        return;
    }

    $limit = !empty($source_args['limit']) ? intval($source_args['limit']) : 9999;


    $user_id = get_current_user_id();
    $user_video_data = get_user_meta($user_id, 'user_video_data', true);

    if (!is_array($user_video_data) || empty($user_video_data)) {
        return;
    }

    // Filter for videos that have 'completed_at'
    $favourited_videos = array_filter($user_video_data, function($video_data) {
        return isset($video_data['favourited_at']);
    });

    if (empty($favourited_videos)) {
        return [];
    }

    // Sort by 'completed_at' descending
    uasort($favourited_videos, function($a, $b) {
        return strtotime($b['favourited_at']) - strtotime($a['favourited_at']);
    });

    // Get the last N completed videos based on limit
    $favourited_videos = array_slice($favourited_videos, 0, $limit, true);

    // Get post IDs
    $video_ids = array_keys($favourited_videos);

    if (empty($video_ids)) {
        return [];
    }

    // Get Timber posts for each video
    $video_posts = array_map(function($video_id) {
        return Timber::get_post($video_id);
    }, $video_ids);

	return $video_posts;
}