Convert percent value to decimal value in PHP

decimal, php

Solution

$dec = $pct / 100.00;

// if you actually have a % sign in $pct strip it out
$pct = '15%';
$dec = str_replace('%', '', $pct) / 100.00;

Problem

How to convert percent value to decimal value in PHP to be used in a computation? Example: 6.15% = .0615

Original source