用插件或代码实现WordPress 4.3+ 默认开启页面的评论功能

/*
Plugin Name: Allow Comments on Pages
Author   By： 全百科
Author URI: http://quanbaike.com/
Version: 1.0
*/
function wp33516_open_comments_for_pages( $status, $post_type, $comment_type ) {
    if ( 'page' === $post_type ) {
        $status = 'open';
    }
    return $status;
}
add_filter( 'get_default_comment_status', 'wp33516_open_comments_for_pages', 10, 3 );