可能重复:
如何在php中以某种格式显示数字
我有以下数字:3234.54554545545
I want to split it like 3234.54, means I want to display only 2 char after dot.
Following is something I am trying but its not working
<?php
$v = "3234.54554545";
$pos = strpos($v, '.');
$r = substr($v, count($pos) - 3);
echo $v."".$r;
?>
实际结果:3234.54554545545
期望的输出:3234.54
请帮我。谢谢