Online PHP editor | refs for 9X7OH

<?php $p = 0; // Starting amount $i = 0.06; // Interest rate $c = 12; // compound frequency set to monthly $n = 6/12; // Current time invested set to 6 months $r = 200; // Monthly investment is 200 $x = $i / $c; $y = pow((1 + $x), ($n * $c)); if($p!=0) { $vf = $p * $y + ($r * ($y - 1) / $x); } else { $vf = 1 + $y + ($r * ($y - 1) / $x); } echo $vf;