Tutorial: How to validate whether a user has logged into WordPress

Since i can't find this information anywhere on Google and WordPress search box, i will write a post out to save time for people who want to validate whether a person has logged into WordPress to access their external plugin page (another page that is not resist in WordPress Administrator panel).


My plugin has a file mangement page that help manage the site images from my plugin but the page was external and could be access by ANYONE as long as they have the URL, this is not secure at all. Thus, i wanted to know whether WordPress has any method or action hook that allow to validate a user upon entering that page. I tried Google and WordPress search box for any open question for this. Unfortunately, there isn't any.


In order to use methods exist in WordPress in an external page, we will have to include them into your page. The file i used to include in my page was 'wp-config.php' in WordPress. This will include all WordPress methods and dependency that these methods have so we won't have to worry that our plugin will just break suddenly.

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