WordPress永久链接系统如何工作？ [英] How WordPress permalink system works?

问题描述

我是一个PHP开发人员，我目前正在开发一个CMS /博客系统。我想添加一个永久链接系统像WordPress。我很好奇WordPress解析永久链接。例如，如何获取 id 和的数据：

I am a php developer and i am currently developing a CMS/blog system. i want to add a permalink system like WordPress. i am curious about how WordPress parse permalink. For example, how to get data like id and post name from:

example.com/id/123/post/example/

总之，我想要一个系统从URL中获取 id 和 post name 。我想让用户使用如下标签来改变WordPress的永久链接结构：

In short, I want a system to get id and post name from the url. I want to enable users to change the permalink structure like WordPress using tags like:

id/%postid%/post/%postname%/

如何获取 $ id 和 $ post_name 其中值将 123 和示例？请帮帮我。
提前感谢。

How do I get data in variables like $id and $post_name where values will 123 and example? Please help me. Thanks in advance.

推荐答案

常用的apache模块 mod_rewrite 可以帮助你有了这个。你所做的是在.htaccess文件中写入重写规则，通过重写，通常类似于文件系统的奇特结构将作为$ _GET参数发送到PHP文件。

The commonly available apache module mod_rewrite can help you out with this. What you do is write rewrite rules inside an .htaccess file, and through the rewrite, fancy structures that would have normally resembled a file system get sent to a PHP file as $_GET parameters.

例如，如果你想替换像？reactor = 13 到 / reactor / 13 /

For example, if you wanted to replace something like: ?reactor=13 into /reactor/13/

在.htaccess文件中写入此重写规则：

Write this rewrite rule in the .htaccess file:

RewriteEngine on
RewriteRule reactor/([0-9]+)/$ index.php?id=$1

现在，如果代替index.php你拉/ reactor / 13 /，你的index.php文件应该在$ _GET中看到：

Now, if instead of index.php you pull up /reactor/13/, your index.php file should see this in $_GET:

Array
(
    [id] => 13
)

现在，对于你的HTML代码，由你来创建URL并服从你的思想结构。

Now, for your HTML code, it's up to you to craft URLs and obey your thought-out structure.

这些重写规则可以但是他们遵循一个逻辑正则表达式模式。

These rewrite rules can be confusing, but they follow a logical regex pattern.

WordPress比插入这些编辑.htaccess文件更强大，它们将所有内容发送到WP，然后WP解决/路由其余的内部规则。

WordPress takes a stronger approach than inserting these editing .htaccess files, to where they send everything to WP, and then WP solves / routes the rest through internal rules.

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