form( $form_id )->get_setting( 'append_page' ); if ( empty( $append_page ) ) { $opt = nf_get_settings(); if ( isset ( $opt['preview_id'] ) ) { $page_id = $opt['preview_id']; } else { $page_id = ''; } } else { $page_id = $append_page; } if( $echo ){ $preview_link = '' . __( 'Preview Form', 'ninja-forms' ) . ''; }else{ $preview_link = $base . '/?page_id=' . $page_id . '&preview=true&form_id=' . $form_id; } return $preview_link; }