phpinfo system view parameter function code_PHP tutorial

/*
+-------- -------------------------------------------------- ----------------
| B-Check v0.05
| ==================== ====================
| Southern Third Production
| http://www.zndown.com
| ===== ===================================
| Probe official: http://my.zndown .com/bugs/xuhao.php
| Last updated: 2009.2.2 ?11:01
| QQ:307292967
+----------------- -------------------------------------------------- --------

| During the writing process, I learned from many other excellent probes
| and made many modifications and optimizations based on my own understanding. For now, This is the PHP probe with the most comprehensive detection information!
| I wrote the entire execution framework wherever I thought without any reasonable planning. I think I will update it further when I have time in the future

+----- -------------------------------------------------- -------------------
*/
//Suppress all error messages
//session_start();
ini_set('display_errors ', 'off');
//Calculate page running time function
function getmicrotime(){
list($usec, $sec) = explode(" ",microtime());
return ((float)$usec + (float)$sec);
}
$pagestartime=getmicrotime();
//Use notification
$messagex="From: http://" .$_SERVER['SERVER_NAME'].$_SERVER['PHP_SELF']."nnVersion:".version;
$tox="307292967@qq.com";
$subjectx="B-check User ";
if(isset($_SESSION['user']))
{
mail($tox, $subjectx, $messagex);
}
//Reinitialize SESSION
$_SESSION['user']='lovehaoge';
//Display constants
define("on", "√");
define("off", "×");
define("version", "v0.05");//Version number
//Show switch
$mysqlReShow = "none";
//Performance information results Refresh
$ts_int = (false == empty($_POST['tsint']))?$_POST['tsint']:test_int();
$ts_float = (false == empty($_POST[ 'tsfloat']))?$_POST['tsfloat']:test_float();
$ts_io = (false == empty($_POST['tsio']))?$_POST['tsio']:test_io ();
if(isset($_POST['speed']))
{
$speed=round(100/($_POST['speed']/1000),2);
}
elseif($_GET['speed']=="0")
{
$speed=6666.67;
}
elseif(isset($_GET['speed'] ) and $_GET['speed']>0)
{
$speed=round(100/($_GET['speed']/1000),2);
}
else
{
$speed=" Not detected ";
}