Check if a user has bought an item using WooCommerce built-in function
The built-in function woocommerce_customer_bought_product can be used to check if a user has bought an item.
Category Plugins
How to disable update notification for certain plugins
Sometimes it's a must to disable update notification for certain plugins because you don't want to overwrite the modifications you did before. Maybe it's not a best practice, but this could be the best solution in some cases.
404 Not Found Tracking (plugin)
The idea of tracking 404 errors started from here (first posted by WP Mix). The problem is that the result of those tutorials is that you will receive an email for each 404 error, and that can be quite annoying.…