创建wp_insert_post_data过滤器

描述

This function is applied to the filter ‘wp_insert_post_data’. On subdirectory multisite installs, it filters Pages’ ‘post_name’ (URL slug) field to ensure that there is no conflict with any of the subdirectory links.

历史

• 添加于 版本 3.0.0

• 原文：http://codex.wordpress.org/Function_Reference/avoid_blog_page_permalink_collision