gistfile1.txt

<?php
// Get the search query
$search_query = sanitize_text_field($_GET['s']);

// Create a new WP_Query object with the search parameters
$args = array(
    'post_type' => 'post',
    'posts_per_page' => 12,
    'orderby' => 'date',
    's' => $search_query,
);

// Use Relevanssi to perform the search
$search_query = new WP_Query($args);
relevanssi_do_query($search_query);

// Check if there are any posts
if ($search_query->have_posts()) : 
    while ($search_query->have_posts()) : $search_query->the_post();
        // Output the post content
        the_title('<h2>', '</h2>');
        the_excerpt();
    endwhile;
else :
    echo '<p>No posts found.</p>';
endif;

// Reset the global post data
wp_reset_postdata();
?>