note to calculate price

tradecalc.php

<?php
$highMid ="1.55515";
$lowMid = "1.5534";

function toPips($price)
{
        return is_int($price) ? $price / 10000 : $price;
}
$spread = 5;
$high = ((float) substr(sprintf("%.4f", $highMid),0,6)) + toPips($spread);
$low = ((float) substr(sprintf("%.4f", $lowMid),0,6)) - toPips($spread);
$range = (float) substr(sprintf("%.4f", $high - $low),0,6);