/**
* @param $num
* @return string
*/
function numFormat($num) {
return is_numeric($num) ? sprintf("%.2f", substr(sprintf("%.3f", $num), 0, -1)) : '';
}
echo numFormat(0); //0.00
echo numFormat(1.2); //1.20
未经允许不得转载:任鹏个人博客 » php将数字格式化为金额的表现形式,保留二位小数
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