search.php

<?php
/**
 * The template for displaying Search Results pages.
 *
 * @package cornerstone
 */

get_header(); ?>
<div id="page-search">
	<div class="row">
		<div class="col-md-9">
			<section id="primary" class="content-area">
				<main id="main" class="site-main" role="main">

				<?php if ( have_posts() ) : ?>

					<header class="entry-header">
						<h1 class="page-title"><?php printf( __( 'Search Results for: %s', 'cs' ), '<span>' . get_search_query() . '</span>' ); ?></h1>
					</header><!-- .page-header -->

					<?php /* Start the Loop */ ?>
					<?php while ( have_posts() ) : the_post();?>
						<?php
							$url = '';
							if(function_exists('get_field')) $url = get_field('external_url');
							if( empty($url) ){
								$url = '<a href="'.get_permalink().'">';
							}else{
								$url = '<a href="'.$url.'" target="_blank">';
							}
						?>

						<h3><?php echo $url; ?><?php the_title();?></a></h3>

						<?php  the_excerpt(); ?>	<!-- e.g. "All about jellyfish" -->

					<?php endwhile; ?>

					<?php cs_paging_nav(); ?>

				<?php else : ?>

					<?php get_template_part( 'content', 'none' ); ?>

				<?php endif; ?>

				</main><!-- #main -->
			</section><!-- #primary -->
		</div>
		<?php get_sidebar(); ?>
	</div>
</div>
<?php get_footer(); ?>