ACF Blocksでブロックの中にブロックを入れる方法【InnerBlocks】

add_action('acf/init', 'my_acf_init_block_types');
function my_acf_init_block_types() {

  // Check function exists.
  if( function_exists('acf_register_block_type') ) {
    acf_register_block_type(array(
      'name'              => 'testimonial',
      'title'             => __('Testimonial'),
      'description'       => __('A custom testimonial block.'),
      'render_template'   => 'template-parts/blocks/testimonial/testimonial.php',
      'category'          => 'formatting',
      'icon'              => 'admin-comments',
      'keywords'          => array( 'testimonial', 'quote' ),
      'supports'			=> array(
				'align' => true,
				'mode' => false,
				'jsx' => true
			),
    ));
  }
}

<?php

/**
 * Testimonial Block Template.
 *
 * @param   array $block The block settings and attributes.
 * @param   string $content The block inner HTML (empty).
 * @param   bool $is_preview True during AJAX preview.
 * @param   (int|string) $post_id The post ID this block is saved to.
 */

// Create id attribute allowing for custom "anchor" value.
$id = 'testimonial-' . $block['id'];
if( !empty($block['anchor']) ) {
    $id = $block['anchor'];
}

// Create class attribute allowing for custom "className" and "align" values.
$className = 'testimonial';
if( !empty($block['className']) ) {
    $className .= ' ' . $block['className'];
}
if( !empty($block['align']) ) {
    $className .= ' align' . $block['align'];
}

// Load values and assign defaults.
$text = get_field('testimonial') ?: 'Your testimonial here...';
$author = get_field('author') ?: 'Author name';
$role = get_field('role') ?: 'Author role';
$image = get_field('image') ?: 295;
$background_color = get_field('background_color');
$text_color = get_field('text_color');

?>
<div id="<?php echo esc_attr($id); ?>" class="<?php echo esc_attr($className); ?>">
    <blockquote class="testimonial-blockquote">
        <span class="testimonial-text"><?php echo $text; ?></span>
        <span class="testimonial-author"><?php echo $author; ?></span>
        <span class="testimonial-role"><?php echo $role; ?></span>
    </blockquote>
    <div class="testimonial-image">
        <?php echo wp_get_attachment_image( $image, 'full' ); ?>
    </div>
    <InnerBlocks />
</div>