single.php

<?php
/*
 * All globally availbile ACF data is loaded here.
 */
include(__DIR__.'/lib/data.php');

include(get_template_part_acf('templates/partials/header'));
echo '<!-- master/single -->';
if (have_posts()):
    while (have_posts()):
        the_post();

//      Post Format
        if (check_path('/templates/format-' . get_post_format() . '.php')):
            echo '<!-- template: templates/format-' . get_post_format() . ' -->';
            include(get_template_part_acf('templates/format', get_post_format()));

//      Fallback for missing Post Formats
        elseif (get_post_type() == 'post' && ! get_post_format()):
            echo '<!-- template: templates/format-standard -->';
            include(get_template_part_acf('templates/format', 'standard'));

//      Attachment
        elseif (is_attachment()):
            echo '<!-- template: templates/single-attachment.php -->';
            include(get_template_part_acf('templates/single', 'attachment'));

//      Custom Post Type
        elseif (check_path('/templates/single-'.get_post_type().'.php')):
            echo '<!-- template: templates/single-'.get_post_type().'.php -->';
            include(get_template_part_acf('templates/single', get_post_type()));

//      WooCommerce Single Product
        elseif (function_exists('is_product') and is_product()):
            echo '<!-- template: woo/single -->';
            include(get_template_part_acf('templates/woo', 'single'));

//      If everything fails use content-single.php
        else:
            echo '<!-- template: templates/content-single -->';
            include(get_template_part_acf('templates/format', 'standard'));

        endif;
    endwhile;
endif;

include(get_template_part_acf('templates/partials/footer'));