add_action vs add_filter: What’s the Difference?
add_action is used to add code to WordPress. This code can be executed when a specific event or hook occurs. For example, you could use add_action to add a custom message to the end of every post, or
1 post tagged “plugin-development”.
add_action is used to add code to WordPress. This code can be executed when a specific event or hook occurs. For example, you could use add_action to add a custom message to the end of every post, or