generate_header_entry_meta_items

The generate_header_entry_meta_items allows us to re-order or add entry meta items.

These are the default meta items that can be used:

Adding custom meta items

We can add our own meta items to the list above like this:

add_action( 'generate_post_meta_items', function( $item ) {
    if ( 'my-meta-item' === $item ) {
        echo 'My custom meta item';
    }
} );

Now we have a new my-meta-item name that we can use in the filter.

If we want to add our list of categories after the post author name, we can use this PHP snippet:

add_filter( 'generate_header_entry_meta_items', function() {
    return array(
        'date',
        'author',
        'categories',
    );
} );

If we want to add the custom meta item we created earlier to the end of our meta item list, we can do this:

add_filter( 'generate_header_entry_meta_items', function() {
    $items[] = 'custom-meta-item';

    return $items;
} );

If we want to remove a meta item from the list without re-ordering the others, we can do this:

add_filter( 'generate_header_entry_meta_items', function( $items ) {
    return array_diff( $items, array( 'author' ) );
} );

That will remove the author meta item while leaving the rest of the meta items are they are.