true ); $output = 'names'; $taxonomies = get_taxonomies( $args, $output ); foreach ( $taxonomies as $taxonomy ) { add_filter( "manage_edit-{$taxonomy}_columns", array( $this, 'add_column' ) ); add_action( "manage_{$taxonomy}_custom_column", array( $this, 'manage_taxonomy_column' ), 10, 3 ); } } public function set_up_post_type_columns() { $args = array( 'public' => true, '_builtin' => false, ); $output = 'names'; $post_types = get_post_types( $args, $output ); $post_types['post'] = 'post'; $post_types['page'] = 'page'; foreach ( $post_types as $post_type ) { add_filter( "manage_{$post_type}_posts_columns", array( $this, 'add_column' ) ); add_action( "manage_{$post_type}_posts_custom_column", array( $this, 'custom_post_columns' ), 10, 2 ); } } public function add_column( $columns ) { $new_columns = $columns; array_splice( $new_columns, 1 ); $new_columns['featured_image'] = __( 'Featured Image', 'display-featured-image-genesis' ); return array_merge( $new_columns, $columns ); } public function manage_taxonomy_column( $value, $column, $term_id ) { if ( 'featured_image' === $column ) { $term_meta = get_option( "taxonomy_$term_id" ); if ( ! empty( $term_meta['dfig_image'] ) ) { $id = Display_Featured_Image_Genesis_Common::get_image_id( $term_meta['dfig_image'] ); $preview = wp_get_attachment_image_src( $id, 'thumbnail' ); echo ''; } } } public function custom_post_columns( $column, $post_id ) { if ( 'featured_image' === $column ) { $image = get_the_post_thumbnail( $post_id, array( 60,60 ) ); if ( $image ) { echo $image; } } } }