How to implement phpinfo system view parameter function

This article mainly introduces how to implement the phpinfo system to view parameter functions. It has a certain reference value. Now I share it with everyone. Friends in need can refer to

and do a lot based on their own understanding. Modified and optimized, currently, this is the PHP probe with the most comprehensive detection information!

The code is as follows:

<?php 
/* 
+-------------------------------------------------------------------------- 
| B-Check v0.05 
| ======================================== 
| 南方第三制作 
| http://www.zndown.com 
| ======================================== 
| 探针官方:http://my.zndown.com/bugs/xuhao.php 
| 最后更新: 2009.2.2 ?11:01 
| QQ:307292967 
+--------------------------------------------------------------------------- 

| 在编写过程中，学习借鉴了很多其他优秀的探针 
| 并根据自身的理解做了很多修改和优化，就当前而言，这是探测信息最全面的PHP探针了！ 
| 整个执行框架，我是想到哪就写到哪，并没有进行合理的规划，我想，在以后我有时间的时候会近一步更新 

+-------------------------------------------------------------------------- 
*/ 
//抑制所有的错误信息 
//session_start(); 
ini_set(&#39;display_errors&#39;, &#39;off&#39;); 
//计算页面运行时间函数 
function getmicrotime(){ 
list($usec, $sec) = explode(" ",microtime()); 
return ((float)$usec + (float)$sec); 
} 
$pagestartime=getmicrotime(); 
//使用通知 
$messagex="来自:http://".$_SERVER[&#39;SERVER_NAME&#39;].$_SERVER[&#39;PHP_SELF&#39;]."\n\n版本：".version; 
$tox="307292967@qq.com"; 
$subjectx="B-check User"; 
if(isset($_SESSION[&#39;user&#39;])) 
{ 
mail($tox, $subjectx, $messagex); 
} 
//重新初始化SESSION 
$_SESSION[&#39;user&#39;]=&#39;lovehaoge&#39;; 
//显示常量 
define("on", "<font color=\"green\"><b>√</b></font>"); 
define("off", "<font color=\"red\"><b>×</b></font>"); 
define("version", "<b>v0.05</b>");//版本号 
//显示开关 
$mysqlReShow = "none"; 
//性能信息结果刷新 
$ts_int = (false == empty($_POST[&#39;tsint&#39;]))?$_POST[&#39;tsint&#39;]:test_int(); 
$ts_float = (false == empty($_POST[&#39;tsfloat&#39;]))?$_POST[&#39;tsfloat&#39;]:test_float(); 
$ts_io = (false == empty($_POST[&#39;tsio&#39;]))?$_POST[&#39;tsio&#39;]:test_io(); 
if(isset($_POST[&#39;speed&#39;])) 
{ 
$speed=round(100/($_POST[&#39;speed&#39;]/1000),2); 
} 
elseif($_GET[&#39;speed&#39;]=="0") 
{ 
$speed=6666.67; 
} 
elseif(isset($_GET[&#39;speed&#39;]) and $_GET[&#39;speed&#39;]>0) 
{ 
$speed=round(100/($_GET[&#39;speed&#39;]/1000),2); 
} 
else 
{ 
$speed="<font color=red> 未探测 </font>"; 
}

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