Ahsaniqbalkmc 0 Report post Posted March 1, 2012 I have started to get into wordpress plugin development. Its just a start and there would be a lot of things that I won't understand and would require some time but there is one thing (in fact two) that I need to discuss specifically, because they appear to be quite important and I don't get them at all.Actually, it is the difference between do_action and add_action and similarly the difference between apply_filters and add_filter. It is quite a basic concept and I think if I go pass it without properly understanding it, I might be in trouble when dealing with complex problems. Share this post Link to post Share on other sites
yordan 10 Report post Posted March 1, 2012 Isn't it that you first have to add the filter, then apply it in some place? Like here http://wordpress.stackexchange.com/questions/16573/explanation-for-apply-filters-function-and-its-variables Share this post Link to post Share on other sites
Ahsaniqbalkmc 0 Report post Posted March 2, 2012 I guess its not like that. I have been reading a book about wordpress plugin development. And from what I have read till now, I am assuming that add_filters is used to add a filter to a hook during execution of the wordpress code. So it is the practical part which has to be used when working with filters. On the other hand, apply_filters is used to create new filters (but I am not sure about it as I don't understand what exctly it does). It has confused me alot and I don't want to go further ahead without properly understanding this basic idea. Share this post Link to post Share on other sites
