gistfile1.txt

<?php
// Place where you want this new section output:
if ( isset($_GET['address_keyword']) && !empty($_GET['address_keyword']) )
{
    $address_keyword = sanitize_text_field($_GET['address_keyword']);
    
    $radius = 10;
    if ( isset($_GET['radius']) && !empty($_GET['radius']) )
    {
        $radius = (int)$_GET['radius'] + 10; // add 10 miles to the radius already being searched
    }
    
    $exclude = array();
    if ( have_posts() )
    {
        while ( have_posts() )
        {
            the_post();
            
            $exclude[] = get_the_ID();
        }
    }
    
    // Get properties
    $shortcode_output = do_shortcode('[properties exclude="' . implode(",", $exclude) . '" address_keyword="' . $address_keyword . '" radius="' . $radius . '" ]');
    
    if ( !empty(strip_tags($shortcode_output)) )
    {
        echo '<h3>We also found these nearby</h3>';
        
        echo $shortcode_output;
    }
}
?>