DIVI childtheme, Page Template: Landingpage with no footer & header

page-template-landingpage.php

<?php
/*
Template Name: Landingpage, no sidebar & header
*/

get_header();

$is_page_builder_used = et_pb_is_pagebuilder_used( get_the_ID() ); ?>
<div id="main-content-landingpage">
<?php if ( ! $is_page_builder_used ) : ?>

	<div class="container">
		<div id="content-area" class="clearfix">
<?php endif; ?>
			<?php while ( have_posts() ) : the_post(); ?>
				<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
				<!-- deleted log contents and page header --> 
					<div class="entry-content">
					<?php
						the_content();

						if ( ! $is_page_builder_used )
							wp_link_pages( array( 'before' => '<div class="page-links">' . __( 'Pages:', 'Divi' ), 'after' => '</div>' ) );
					?>
					</div> <!-- .entry-content -->
				<?php
					if ( ! $is_page_builder_used && comments_open() && 'on' === et_get_option( 'divi_show_pagescomments', 'false' ) ) comments_template( '', true );
				?>
				</article> <!-- .et_pb_post -->
			<?php endwhile; ?>
<?php if ( ! $is_page_builder_used ) : ?>

		</div> <!-- #content-area -->
	</div> <!-- .container -->

<?php endif; ?>
</div> <!-- #main-content -->

<?php get_footer(); ?>