WordPress限制用户后台投稿时间

function Ruike_limit_submission_time($new_status, $old_status, $post) {

	global $wpdb;

	$uid=get_current_user_id();

    $last_post = $wpdb->get_var("SELECT post_date FROM $wpdb->posts WHERE post_author='{$uid}' AND post_status='publish' AND post_type = 'post' ORDER BY post_date DESC LIMIT 1");

    $latest  = strtotime($last_post);

	$msn='您投稿也太勤快了吧，先歇会儿,您可以返回<a href="'.admin_url('edit.php').'">文章管理</a>';

	if ((current_time('timestamp') - $latest) < 12000 ){

		if($new_status=='auto-draft'){

			wp_die($msn);

		}

    }

}

add_action('transition_post_status','Ruike_limit_submission_time',10,3);