<?php add_action('restrict_manage_posts', 'tsm_filter_post_type_by_taxonomy'); function tsm_filter_post_type_by_taxonomy() { global $typenow; $post_type = 'YOUR-POST-TYPE'; // change to your post type $taxonomy = 'YOUR-TAXONOMY'; // change to your taxonomy if ($typenow == $post_type) { $selected = isset($_GET[$taxonomy]) ? $_GET[$taxonomy] : ''; $info_taxonomy = get_taxonomy($taxonomy); wp_dropdown_categories(array( 'show_option_all' => __("Összes kategória"), 'taxonomy' => $taxonomy, 'name' => $taxonomy, 'orderby' => 'name', 'selected' => $selected, 'show_count' => true, 'hide_empty' => true, )); }; } add_filter('parse_query', 'tsm_convert_id_to_term_in_query'); function tsm_convert_id_to_term_in_query($query) { global $pagenow; $post_type = 'YOUR-POST-TYPE'; // change to your post type $taxonomy = 'YOUR-TAXONOMY'; // change to your taxonomy $q_vars = &$query->query_vars; if ( $pagenow == 'edit.php' && isset($q_vars['post_type']) && $q_vars['post_type'] == $post_type && isset($q_vars[$taxonomy]) && is_numeric($q_vars[$taxonomy]) && $q_vars[$taxonomy] != 0 ) { $term = get_term_by('id', $q_vars[$taxonomy], $taxonomy); $q_vars[$taxonomy] = $term->slug; } }