- ceil: documentation ( source)
<?php
$price = 456.78;
function lpe($p) {
$p = $price;
$base = $p * 0.83;
$markup = $base * 0.17;
$total = $base + $markup;
$rounded = ceil($total / 10) * 10;
return $rounded;
};
$lp = lpe();
?>