'; $output .= '

'; foreach($anchors as $anchor): $label = str_replace(array('-','_'),' ', $anchor); $output .= '
• '; $output .= ''.$label.''; $output .= '
'; endforeach; $output .= '

'; $output .= ''; return $output; } function benjamin_sticky_sidenav($id = 0){ if($id == 0) return false; echo benjamin_get_sticky_sidenav($id); // WPCS: xss ok. } function benjamin_sticky_sidenav_anchors($id) { $post_content = get_post($id); $content = $post_content->post_content; $pattern = '(id="([a-zA-z0-9\-]+)"+)'; preg_match_all($pattern, $content, $matches); if( 2 == count($matches) > 1 ) return $matches[1]; else return false; }