生成用户界面

<?php
class Mytpl{
//输出页面
protected $tpl_val = array();
function display($url){
  $content = file_get_contents($url); //获取模板资源
  foreach ($this->tpl_val as $k => $v) {//翻译
   $content = str_repeat('{$'.$k.'}', $v,$content);
  $complie_url = "文件夹名/".md5($url).".php";//设置临时文件路径    md5()加密
  file_put_contents($complie_url, $content);//输出资源
  include_once $complie_url;
}
function assign($k,$v){//将许可的变量放入数组
   $this->tpl_val[$k] = $v;
}
}
$tpl = new Mytpl();
$tpl->assign('a','哈哈');
$tpl->display('index2.html');

----------------------------------index2.html------------------------------

<!DOCTYPE HTML>
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
<body>
你好{$a}
</body>
</html>