php怎样把类似价格“20.00元”里的.00替换掉
$price = "20.00";$price = preg_replace('/\.0+$/', '', $price);echo $price."\n"; //结果: 20$price = "20.60";$price = preg_replace('/\.0+$/', '', $price);echo $price."\n"; //结果: 20.60