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I want a filter like this in my custom post "books". This filter should only bring up the parent post.

1 Answer 1


In addition to my previous answer add following code. It should work fine

add_filter( 'views_edit-books', 'add_filter_link' );
function add_filter_link( array $views ) {
    $url = add_query_arg( array('bfilter'=>'parents','post_parent'=>0,'post_type'=>'books'), 'edit.php' );
    $views[ 'post_parent' ] = sprintf(
        '<a href="%1$s"%2$s>%3$s</a>',
        esc_url( $url ),
        ( is_filter_active() ) ? ' class="current" aria-current="page"' : '',
        'Post Parents'
    return $views;

function is_filter_active() {
    return (filter_input( INPUT_GET, 'bfilter' ) ==='parents');

if you already not used bellow code then add that too

function make_post_parent_public_qv() {
    global $pagenow;
    if ( is_admin() && $pagenow == 'edit.php' )
        $GLOBALS['wp']->add_query_var( 'post_parent' );
add_action( 'init', 'make_post_parent_public_qv' );
  • I add this code in restrict_manage_posts hook but I got nothing. Jun 18, 2020 at 10:40
  • Could you please demonstrate the full code. I'm very new at this. It would be a great help to me. Please Jun 18, 2020 at 10:51
  • you don't need to add this within anything. Just use this code alone. Jun 18, 2020 at 11:16
  • O my god.. You are GREAT. Thanks Thanks Thanks. Please suggest me where can I learn more about this kind of stuff. And one more thing, can I filter child posts the same way. Jun 18, 2020 at 11:51
  • Just explore wordpress codex a bit. hooker.io is another great place Jun 18, 2020 at 12:33

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