wp-content/themes/cosmopet/modules/blog/editor-blocks/notice/assets/css/style.css

@@ -0,0 +1,7 @@
+.blog-notice{
+    font-size: .8em;
+    font-weight: 300;
+    color: rgba(0, 0, 0, 0.55);
+    padding-top: .3rem;
+    padding-bottom: .3rem;
+}

wp-content/themes/cosmopet/modules/blog/editor-blocks/notice/editor-block-controller.php

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+<?php
+ 
+ function notice_render_callback($block, $content = '', $is_preview = false, $post_id = 0) {
+    $context = Timber::context();
+    $context['block'] = $block;
+    $context['is_preview'] = $is_preview;
+    $context['content'] = get_field('content');
+            // Проверяем, есть ли картинка превью в блоке
+            if ($is_preview && !empty($block['data']['preview_image'])) {
+                echo '<img src="' . esc_url($block['data']['preview_image']) . '" alt="Preview" style="max-width: 100%; height: auto;">';
+                return;
+            }
+    Timber::render('modules/blog/editor-blocks/notice/editor-block-template.twig', $context);
+}
+
+
+ add_action('acf/init', function(){
+    if( function_exists('acf_register_block') ) {
+        // register a testimonial block
+
+        acf_register_block(array(
+            'name'              => 'gp_notice',
+            'title'             => __('GP - Notice'),
+            'description'       => __('A block to serve a text notice'),
+            'render_callback'   => 'notice_render_callback',
+            'category'          => 'formatting',
+            'icon'              => 'admin-comments',
+            'keywords'          => array( 'notice', 'simple block', 'gp-block',),
+            'mode' => 'preview',
+            'example'           => array(
+                'attributes' => array(
+                    'data' => array(
+                        'is_preview' => true, 
+                        'preview_image' => get_template_directory_uri() . '/modules/blog/editor-blocks/notice/assets/img/preview.png'
+                    )
+                )
+            ),
+            'enqueue_assets'    => function(){
+                wp_enqueue_style('gp_notice_style', get_template_directory_uri() . '/modules/blog/editor-blocks/notice/assets/css/style.css', array(), '5.0', 'all');
+            }
+        ));
+    }
+});
+
+
+
+
+?>

wp-content/themes/cosmopet/modules/blog/editor-blocks/notice/editor-block-template.twig

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+<section class="blog-notice">
+{{ content }}                          
+</section>
+