is_home() && $query->is_main_query() ) { $query->set( 'cat', '2'); if ( !empty( $_GET['person'] ) ) { $query->set( 'meta_query', array( array( 'key' => 'mitreisende', 'value' => $_GET['person'], 'compare' => 'LIKE' ) ) ); } } } add_action( 'pre_get_posts', 'my_home_category' ); function add_post_image_thumbs($WPQuery, $title){ if ($WPQuery->have_posts()) : echo('

'.$title.'

'); echo('
'); while ( $WPQuery->have_posts() ) : $WPQuery->the_post(); global $post; get_template_part( 'content', get_post_format() ); endwhile; echo('
'); echo('
'); endif; } // Related posts function function atravelblog_related_posts() { global $post; $thisID = get_the_ID(); $thisUrlaubConf = array( 'posts_per_page' => -1, 'order' => 'ASC', 'meta_query' => array( array( 'key' => 'urlaub', // name of custom field 'value' => '"'.get_the_ID().'"', // matches exaclty "123", not just 123. This prevents a match for "1234" 'compare' => 'LIKE' ) ) ); $cat = get_the_category()[0]->name; if ( $cat == 'Urlaub' ){ $tagebuch = new WP_Query( array_merge($thisUrlaubConf, array('category_name' => 'Tagebuch')) ); add_post_image_thumbs($tagebuch, 'Tagebuch Einträge:'); wp_reset_query(); $album = new WP_Query( array_merge($thisUrlaubConf, array('category_name' => 'Album')) ); add_post_image_thumbs($album, 'Fotoalben:'); wp_reset_query(); $tour = new WP_Query( array_merge($thisUrlaubConf, array('category_name' => 'Tour')) ); add_post_image_thumbs($tour, 'Touren:'); wp_reset_query(); } elseif($cat == 'Tour' || $cat == 'Album' || $cat == 'Tagebuch') { $urlaub = new WP_Query(array('p' => get_field('urlaub')[0])); add_post_image_thumbs($urlaub, 'Urlaub:'); wp_reset_query(); } }