WP Paths in a Plugin - how to include

Question

I'm working on my first WP plugin, and I'm having trouble getting a file include to work. My directory structure looks like this:

• myPlugin
  • classes
  • templates
  • css
  • js
• myplugin.php

My main plugin file (myplugin.php) includes / requires various files in the classes directory, and that works fine. However, one of the files in the classes directory is supposed to include a file from the templates directory. I've tried everything I can think of, from plugins_url() to plugin_basename() to plugin_dir_path() but nothing seems to work.

How should this statement look to get it to do what I'm trying to accomplish?

Answer 1

Put this in the main plugin file (myplugin.php):

defined( 'MY_PLUGIN_URL' ) || define( 'MY_PLUGIN_URL', plugin_dir_url(__FILE__) );
defined( 'MY_PLUGIN_PATH' ) || define( 'MY_PLUGIN_PATH', plugin_dir_path(__FILE__) );

right before any other code, and use MY_PLUGIN_PATH to include files, or MY_PLUGIN_URL to load your assets.

E.G:

• require_once MY_PLUGIN_PATH . 'templates/se.php';
• wp_enqueue_style( 'my-css', MY_PLUGIN_URL . 'assets/css/style.css' );

Those constants can be accessible from any other file including the main plugin loader file and the files within the sub-directories. As long as the plugin is loaded correctly.

Hope that helps.