Mastering the add_rewrite_rule() Function in WordPress

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Often you are going to require to specify added rewrite guidelines for WordPress. For instance, you may possibly want to produce a customized URL construction for your weblog posts. The include_rewrite_rule() perform is the most typically utilised perform for this objective. It permits you to specify a new rule that WordPress will use to create a distinct URL construction. In some circumstances, you are going to require to use include_rewrite_rule() in conjunction with include_rewrite_tag(). This perform permits WordPress to understand customized submit/get variables. Irrespective, the perform has some substantial abilities and can be utilised to produce customized URL structures for your WordPress internet site.

What is the include_rewrite_rule() perform do?

The WordPress include_rewrite_rule perform is utilised to produce your personal customized rewrite guidelines for WordPress. This can be utilised for producing quite permalinks for your pages and posts, or for producing customized Rewrite Principles for other functions.

The include_rewrite_rule() accepts three parameters:

$regex: The initial parameter is the regex to match towards. This can be anything at all you want, but it have to be a valid regex expression.

$query: The 2nd parameter is not a path, rather it is the query string that will be passed to index.php.

$right after: The third parameter is the priority. This is an optional issue that can be utilised to specify the purchase in which WordPress ought to apply your rewrite guidelines. It accepts two achievable values: prime, or bottom. The default worth is bottom.

Examples of the include_rewrite_rule()

Okay so now you know what the perform does, but what does it search like in practice? Let us get a search at an instance of the include_rewrite_rule() in action. To include a rewrite rule to your WordPress internet site, you have to include the perform someplace in your functions.php. If you can not include it straight to your functions file, use a Code Snippets plugin to insert it.

In this instance, we will produce a customized URL construction for a rather complicated path to make it less complicated to visualize. The following code will adjust the path of your internet site from to

perform gp_rewrite() {

  include_rewrite_rule('^webpage/([^/]+)/?','index.php?pagename=webpage&customvariable=$matches[1]', 'top')

include_action( 'init', 'gp_rewrite' )

When making use of the rewrite rule perform, we also had to use the include_rewrite_tag() perform. This is simply because we are making use of a customized variable in our URL path (customized variable). The include_rewrite_tag() perform permits WordPress to understand customized variables in the URL path.

WordPress include_rewrite_rule() not doing work?

Cautiously experimented with to make a rewrite and identified out one thing is not doing work? Right here are a number of swift guidelines:

Did you bear in mind to flush the rewrite guidelines? Soon after incorporating a new rule, you will require to pay a visit to the Permalinks webpage in your WordPress admin region to flush the rewrite guidelines cache.

Examine your .htaccess file. If you are manually incorporating rewrite guidelines to your .htaccess file, make positive that the new guidelines are getting additional to the right area in the file.

Make positive your regex is right. 1 widespread blunder is to fail to remember to escape unique characters in your regex. For instance, if you are making use of the . (dot) character in your regex, you will require to escape it with a backslash. Otherwise, it will be interpreted as a wildcard character.


This perform is quite potent and can be utilised to produce some quite imaginative rewrite guidelines for your WordPress internet site. Just bear in mind to preserve your typical expressions right, and to update your .htaccess file when you make modifications. Otherwise, your new rewrite guidelines may possibly not function as anticipated. Hopefully now you realize a small bit a lot more about how the WordPress include_rewrite_rule perform performs and how you can use it to produce customized URL structures for your WordPress internet site.

Do you have any concerns about how to use the include_rewrite_rule() perform in WordPress? Allow us know in the remarks beneath!