php自定义配置文件简单写法

 1 <?php
 2 header("Content-type:text/html;charset=utf-8");
 3
 4 $q = getconfig('rr');
 5 echo $q;
 6 function updateconfig($name, $val)
 7 {
 8   $str=file_get_contents("./test.config.php");
 9   $str2 = preg_replace("/" . $name . "=(.*);/", $name . "=\"" . $val . "\";",$str);
10   file_put_contents("./test.config.php", $str2);
11 }
12 function getconfig($name)
13  {
14   $str=file_get_contents("./test.config.php");
15   $config = preg_match("/" . $name . "=\"(.*)\";/", $str, $res);
16   return  $res[1];
17  }

<?php
$abc="132";
$rr="345";