// NAV: Hide Attachment Pages
add_action(
'template_redirect',
function () {
global $post;
if ( ! is_attachment() || ! isset( $post->post_parent ) || ! is_numeric( $post->post_parent ) ) {
return;
}
// Does the attachment have a parent post?
// If the post is trashed, fallback to redirect to homepage.
if ( 0 !== $post->post_parent && 'trash' !== get_post_status( $post->post_parent ) ) {
// Redirect to the attachment parent.
wp_safe_redirect( get_permalink( $post->post_parent ), 301 );
} else {
// For attachment without a parent redirect to homepage.
wp_safe_redirect( get_bloginfo( 'wpurl' ), 302 );
}
exit;
},
1
);
Hide Attachment Pages
Enhance User Experience: Keep Attachment Pages Hidden