Some hooks get fired more than once, meaning that functions connected to those hooks are ran multiple times. This causes problems with some functions when they are designed to only be run once. If you have a function that is connected to an action hook, and you need to ensure it only ever runs once, [...]
View Post add_action, did_action, hook
Action hooks are used in WordPress to perform functions, or “actions”. They are used throughout many plugins and themes to provide an easy way for users of the theme or plugin to modify the output or the way it functions. This quick tutorial will give you a good introduction into how action hooks work.
View Post add_action, do_action, hookFilter hooks in WordPress provide a very powerful way to “alter” the output of functions. Using filters we can easily add extra HTML to some functions, and strip HTML from other functions. Some filters, such as the “body_class” filter, allow us to modify the class names of an HTML element, and some filters have nothing [...]
View Post add_filter, apply_filters, filter, hook
Filter hooks are one of the the more powerful WordPress features that help to provide a huge amount of flexibility when it comes to modifying WordPress, including custom themes and plugins. There could easily be hundreds of different unique tutorials on how to use filters in themes and plugins, simply because of the huge array of [...]
View Post add_filter, apply_filters, filter, hook