ACF helper

<?php
/**
 * Plugin Name: ACF-Helper
 * Plugin URI: #
 * Description: Custom plugin for ACF.
 * Author: Monzur Alam
 * Version: 1.0.0
 * Text Domain: acf-helper
 * License: GPLv2
 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
 */

if (!defined('ABSPATH')) exit; // Exit if accessed directly

if (!function_exists('acf_helper_content')) {
    function acf_helper_content($content){
        // now this work on article & page.
        if ( is_singular('post') || is_page() ) {
            ob_start();
            ?>
            <div class="contenitore">
                <div class="container">
                    <div class="titolo">
                        <?php
                        if (get_field('tipologia')) {
                            echo '<h4>Area di produzione</h4>';
                        } ?>
                    </div>
                    <div id="scheda-dettagli-vino" class="sezione">
                        <?php {
                            echo '<img src="/icone/area-di-produzione.png" />', '<img src="/wp-content/plugins/acf-helper/icone/divisore.png" />';
                            echo esc_html(the_field('tipologia'));
                        } ?>
                    </div>
                </div>
            </div>

            <div class="contenitore">
                <div class="container">
                    <div class="titolo">
                        <?php
                        if (get_field('tipologia')) {
                            echo '<h4>Tipologia</h4>';
                        } ?>
                    </div>
                    <div id="scheda-dettagli-vino" class="sezione">
                        <?php {
                            echo '<img src="/wp-content/plugins/acf-helper/icone/tipologia.png" />', '<img src="/wp-content/plugins/acf-helper/icone/divisore.png" />';
                            echo esc_html(the_field('tipologia'));
                        } ?>
                    </div>
                </div>
            </div>
        <?php
            return $content . ob_get_clean();
        }
    }
    add_filter('the_content', 'acf_helper_content');
}