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2019/02/24

2019/04/02

add_action( 'init', 'add_categories_for_pages' ) ;

function add_categories_for_pages()

{

register_taxonomy_for_object_type( 'category', 'page' ) ;

}

add_action( 'pre_get_posts', 'nobita_merge_page_categories_at_category_archive' ) ;

function nobita_merge_page_categories_at_category_archive( $query )

{

if ( $query->is_category== true && $query->is_main_query()){

$query->set( 'post_type', array( 'post', 'page', 'nav_menu_item' )) ;

}