文章转载自:http://www.pythonheidong.com/blog/article/9372/
$num = 10.4567; //第一种：利用round()对浮点数进行四舍五入 echo round($num,2); //10.46 //第二种：利用sprintf格式化字符串 $format_num = sprintf("%.2f",$num); echo $format_num; //10.46 //第三种：利用千位分组来格式化数字的函数number_format() echo number_format($num, 2); //10.46 //或者如下 echo number_format($num, 2, ‘.‘, ‘‘); //10/46
原文：https://www.cnblogs.com/zouzhe0/p/6197594.html
文章转载自:http://www.pythonheidong.com/blog/article/9372/
原文：https://www.cnblogs.com/xiongbatianxiaskjdskjdksjdskdtuti/p/11350228.html