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postbox_classes_screen_id_box_id filter
Filters the postbox classes for a specific screen and box ID combo.
apply_filters( "postbox_classes_{$screen_id}_{$box_id}", string[] $classes )
Description
This is filter hook , its filter the postbox classes for a specific screen and box ID combo.
Its consists of one parameter, that is $classes an array of postbox classes.
The dynamic portions of the hook name, $screen_id and $box_id, refer to the screen ID and meta box ID, respectively.
Its used by postbox_classes() which returns the list of classes to be used by a meta box.
Parameters
- $classes : (string[]) An array of postbox classes.
Live Example
To run the hook, copy the example below.
apply_filters( "postbox_classes_{$screen_id}_{$box_id}", string[] $classes )
The following example is for adding a hook callback.
add_filter('postbox_classes_screen_id_box_id','add_metabox_classes'); function add_metabox_classes($classes) { array_push($classes,'another_class'); return $classes; }
To remove a hook callback, use the example below.
// remove the filter add_filter( 'postbox_classes_screen_id_box_id', 'add_metabox_classes', 10, 1 );
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