記事一覧にカラム追加

記事一覧にカラム追加

概要

記事一覧にカラム追加

施策

function add_posts_columns_thumbnail($columns) {
    $columns['relation_post'] = '関連記事';
    return $columns;
}
add_filter( 'manage_pages_columns', 'add_posts_columns_thumbnail' );
add_filter( 'manage_posts_columns', 'add_posts_columns_thumbnail' );

function add_posts_columns_thumbnail_row($column_name, $post_id) {
    if ( 'relation_post' === $column_name ) {
    $htm = '表示するHTML';

        echo ( $htm ) ? $htm : '－';
    }

}
add_action( 'manage_pages_custom_column', 'add_posts_columns_thumbnail_row', 10, 2 );
add_action( 'manage_posts_custom_column', 'add_posts_columns_thumbnail_row', 10, 2 );

function add_posts_columns_thumbnail_sortable( $columns ) {
    $columns['relation_post'] = 'relation_post';

    return $columns;
}
add_filter( 'manage_edit-pages_sortable_columns', 'add_posts_columns_thumbnail_sortable' );
add_filter( 'manage_edit-post_sortable_columns', 'add_posts_columns_thumbnail_sortable' );

※「relation_post」はユニークな名前