single.php

<?php
/**
 * The template for displaying all single posts.
 *
 * @link https://developer.wordpress.org/themes/basics/template-hierarchy/#single-post
 *
 * @package Raiden
 */

get_header(); ?>

	<div id="primary" class="content-area">
		<main id="main" class="site-main" role="main">

		<?php
		while ( have_posts() ) :
			the_post();

			// Determine site layout and return correct template.
			$layout = get_theme_mod( 'site_layout', 'layout-one' );

			if ( 'layout-one-ex' == $layout ) {
				$template = 'layout-excerpt';
			} else {
				$template = 'single';
			}

			get_template_part( 'template-parts/content', esc_attr( $template ) );

			raiden_post_navigation();

			// If comments are open or we have at least one comment, load up the comment template.
			if ( comments_open() || get_comments_number() ) :
				comments_template();
			endif;

		endwhile; // End of the loop.
		?>

		</main><!-- #main -->
	</div><!-- #primary -->

<?php
get_footer();