php 前端自动更新css和js，防止页面缓存
<?php
function autoVer($url){
$ver = filemtime($_SERVER['DOCUMENT_ROOT'].$url);
echo $url.'?v='.$ver;
}?>
<br> <block name="title"></block><br>
<?php
function autoVer($url){
$ver = filemtime($_SERVER['DOCUMENT_ROOT'].$url);
echo $url.'?v='.$ver;
}?>
<br> <block name="title"></block><br>