It doesn’t make a lot of sense, to me, to say “these should not be used directly by plugins”. I tend to think you should use an available function over the constant – if an available function exists – which, in your case, does not. I would go ahead and use the WP_PLUGIN_DIR constant.
Exclude the Newest Recent Post from their Category After New post Publish old post should be in their category at Home Page
Scenario: Gutenberg Blocks -> page.html has wp: include that includes a pattern file that has shortcode in it, the shortcode is not executed and comes back text only. After reviewing and testing the above issue I realized the shorcode just does not run, I did find a workaround that allows the shortcode to run as … Read more
Display file contents within Plugin
WordPress Includes mejs 404 error
How to include a php file in 404.php file?
WP-Include rewrite directory
How to include Elementor CSS in custom php file [closed]
Should I use include(_once) or require(_once) for loading php-file with customizer settings?
First of all, this is not WordPress-specific, and does therefore not belong in WordPress.StackExchange. As it’s so easy to answer, however… include is not a function, but it does return whatever you put in “return” inside the file that’s included. You can use an output buffer to “catch” all output: ob_start(); include TEMPLATEPATH . ‘/apex.php’; … Read more