Before:
http://example.com/wp-content/themes/twentyten/style.css
After:
/wp-content/themes/twentyten/style.css
OR:
Before:
http://example.com/wp-content/themes/twentyten/style.css
After (adding “https”):
https://example.com/wp-content/themes/twentyten/style.css
If you are looking for a plugin that automatically converts absolute URLs to relative URLs, or for a plugin that changes URLS for src & href URL attributes check out my other plugin.
I wrote this plugin because I needed a basepath for uploaded images for my WordPress Multisite. In other words, I needed a URL to the server root without the domain. You may find this useful for the same reason, or perhaps another.
Before you copy this code and add it into your own, keep in mind that there may be future updates. Keeping the code within an activated plugin will make sure you’re notified.