<?php
/**
* Created by PhpStorm.
* User: Administrator
* Date: 2015/12/25
* Time: 13:50
*/
define("SECRET", "67%\$#ap28");
function m_token()
{
$str = mt_rand(1000, 9999);
$str2 = dechex($_SERVER['REQUEST_TIME'] - $str);
echo $str . "\n" . $str2 . "\n";
return $str . substr(md5($str . SECRET), 0, 10) . $str2;
}
echo m_token();
echo "\n";
function v_token($str, $delay = 300)
{
$rs = substr($str, 0, 4);
$middle = substr($str, 0, 14);
$rs2 = substr($str, 14, 8);
return $middle === $rs . substr(md5($rs . SECRET), 0, 10) && $_SERVER['REQUEST_TIME'] - hexdec($rs2) - $rs < $delay;
}
var_dump(v_token(m_token()));
define("SECRET", "67%\$#ap28");
function m_token()
{
$str = mt_rand(1000, 9999);
$str2 = dechex($_SERVER['REQUEST_TIME'] - $str);
echo hexdec($str2);
echo "<br/>";
return $str . substr(md5($str . SECRET), 0, 10) . $str2;
}
echo "<br/>";
function v_token($str, $delay = 300)
{
$rs = substr($str, 0, 4);
$middle = substr($str, 0, 14);
$rs2 = substr($str, 14, 8);
echo "<br />";
echo $rs;
echo "<br />";
echo $middle;
echo "<br />";
echo $rs2;
echo "<br />";
echo hexdec($rs2);
echo "<br>";
echo $_SERVER['REQUEST_TIME'] - hexdec($rs2) - $rs < $delay;
return $middle == $rs . substr(md5($rs . SECRET), 0, 10) && $_SERVER['REQUEST_TIME'] - hexdec($rs2) - $rs < $delay;
}
$s = m_token();
echo $s;
var_dump(v_token($s));