<?php $document_number_a = array(null); $hold_reference_object = []; $hold_name = null; $description = null; if (!empty($_GET['sys_hold_reference_id']) && !empty($$class->sys_hold_reference_id)) {  $sys_hold_reference_id_h = $_GET['sys_hold_reference_id'];  $reference_table_h = $$class->reference_table;  $reference_id_h = $$class->reference_id;  $hold_reference_object = array($$class); } else if (!empty($_GET['reference_table']) && (!is_array($_GET['reference_table']))   && !empty($_GET['reference_id']) && (!is_array($_GET['reference_id']))) {  $hold_reference_object = sys_hold_reference::find_by_referenceTableId($_GET['reference_table'], $_GET['reference_id']);  $sys_hold_reference_id_h =$hold_reference_object[0]->sys_hold_reference_id;  $reference_table_h = $hold_reference_object[0]->reference_table;  $reference_id_h = $hold_reference_object[0]->reference_id; } else {  $sys_hold_reference_id_h = null;  $reference_table_h = null;  $reference_id_h = null; } if (empty($hold_reference_object)) {  $hold_reference_object = array(new sys_hold_reference); }?>