#保留小数点后几位,不四舍五入
function formatNumber($number, $point = 2)
{
if (false === ($pointPlace = strpos($number, '.'))){
return number_format($number, 2, '.', '');
} else {
$tmpArr = explode('.', $number);
return $tmpArr[0].'.'.substr($tmpArr[1],0,$point);
}
}
#保留小数点后的几位数
function saveThreePoint($number,$point = 3)
{
$format='%.'.$point.'f';
return isset($number) ? sprintf($format, $number) : 0.0000;
}