php添加带逗号千位符 

1 $num = "1234567890.11";
2   
3 $num = preg_replace('/(?<=[0-9])(?=(?:[0-9]{3})+(?![0-9]))/', ',', $num);
4   
5 echo $num;
posted @ 2012-11-02 19:30  zwkuang  阅读(215)  评论(0)    收藏  举报