That’s a very good question. It goes down to the dark heart of the plugin API and best programming practices. For the following answer I created a simple plugin to illustrate the problem with easy to read code. <?php # -*- coding: utf-8 -*- /* Plugin Name: Anonymous OOP Action */ if ( ! class_exists( … Read more
‘apply_filters’ runs the value through all of the other hooks / functions attached to it. Try an experiment: print_r( $type ); print_r( apply_filters(“{$type}_upload_directory”, $type) ); While you might, in your case, get the same thing – the apply_filters makes sure that any other plugins that try to influence this upload directory will still work.
filter wptexturize doesn’t work on old posts titles
a little late, but it might be because this is a filter, and you’re adding it as an action, try add_filter( ‘wp_embed_handler_youtube’, ‘bigger_youtube_embeds’, 10, 4); function bigger_youtube_embeds($embed, $attr, $url, $rawattr) { // alter the $embed string… return $embed; }
Removing a line from a WP core function (comment_template.php) – filter or other technique?
The title of an attachment is not working
Remove action added from class
Using Filters To Change Page Title
The question pretty much got covered in another thread here. In case anyone else need anything like this I ended up using following code to hide all the posts that are over a week in the future. function hide_future_posts($where, $q) { if(is_admin() && $q->is_main_query() && !filter_input(INPUT_GET, ‘post_status’) && ( $screen = get_current_screen() ) instanceof \WP_Screen … Read more
Is it default text widget? If yes, then I don’t think there is a way. Why don’t you create a custom text widget? And before echoing output process the text whatever you wants to do? The logic is, you will create another widget, that will take some text (or html?) and you will process that … Read more