在PHP中将百分比值转换为十进制值

Question

如何在PHP中将百分比值转换为十进制值以用于计算？

示例：6.15％=。0615

Answer 1

$dec = $pct / 100;

// if you actually have a % sign in $pct strip it out
$pct = '15%';
$dec = str_replace('%', '', $pct) / 100;

Answer 2

echo floatval("6.15%") / 100;

Answer 3

function percentToDecimal($percent)
{
    $percent = str_replace('%', '', $percent);
    return $percent / 100;
}