Online PHP editor | output for FsmbA

<?php $date_begining = $date_ending = 0; function total_by_type_between_dates($type, $start, $end){ $row = array('total' => '2770.69'); $total = number_format((float)$row['total'], 2, '.', ''); return $total; } function total_expense_between_dates($start, $end){ $row = array('total' => '407.42'); $total = number_format((float)$row['total'], 2, '.', ''); return $total; } echo total_by_type_between_dates('income', $date_begining, $date_ending)-total_expense_between_dates($date_begining, $date_ending);