Profile: Dejun Jing

function my_save_post_func ( $post_id ){
    $slug = 'shipping-status';
    if ( ! wp_is_post_revision( $post_id ) && get_post_type($post_id) == $slug ){
        $order_number = get_post_meta( $post_id, 'wpcf-huida-tracking-number', true);
        $update_date = get_post_meta( $post_id, 'wpcf-update-date', true);
        $post_title = '运单 ' . $order_number . ' 更新于 ' . $update_date;
           
        $my_args = array(
            'ID'           => $post_id,
            'post_title'   => $post_title,
        );
        wp_update_post( $my_args );
        $args = array(
            'post_type'  => $slug,
            'meta_query' => array(
                array(
                    'key'     => 'wpcf-huida-tracking-number',
                    'value'   => $order_number,
                ),
                array(
                    'key'     => 'wpcf-update-date',
                    'value'   => $update_date,
                ),
            ),
            'fields' => 'ids',
            'post__not_in' => array($post_id),
        );
        $old_posts = get_posts($args);
         
        foreach($old_posts as $postid){
            wp_delete_post( $postid, false );
        }
    }
}
add_action('my_save_post', 'my_save_post_func');