postbox_classes_page_id filter
Filters the postbox classes for a specific screen and screen ID combo.
apply_filters( "postbox_classes_{$page}_{$id}", string[] $classes )
Description
This is filter hook , its filter the postbox classes for a specific screen and screen ID combo.
Its consists of two dynamic parameter, one is $page and another is $id.
The dynamic portions of the hook name, $page and $id, refer to the screen and screen ID, respectively.
Parameters
- $classes : (string[]) An array of postbox classes.
Live Example
To run the hook, copy the example below.
apply_filters( "postbox_classes_{$page}_{$id}", string[] $classes )
The following example is for adding a hook callback.
add_filter('postbox_classes_post_postexcerpt','add_metabox_classes'); function add_metabox_classes($classes) { array_push($classes,'another_class'); return $classes; }
To remove a hook callback, use the example below.
// remove the filter add_filter( 'postbox_classes_post_postexcerpt', 'add_metabox_classes', 10, 1 );