public function payAdvance($empid, $date, $amount, $ledger, $mode, $voucher, $descr) { $tx = Payroll::GiveAdvance($empid, $date, $amount, $ledger, $mode, $voucher, $descr); $voucher = $tx->post(); if ($voucher) { echo json_encode($voucher); } else { echo 0; } }