php 获取用户IP与IE信息程序
php 获取用户IP与IE信息程序
<?php function onlineip() { global $_SERVER; if (getenv('HTTP_CLIENT_IP')) { $onlineip = getenv('HTTP_CLIENT_IP'); } elseif (getenv('HTTP_X_FORWARDED_FOR')) { list($onlineip) = explode(',', getenv('HTTP_X_FORWARDED_FOR')); } elseif (getenv('REMOTE_ADDR')) { $onlineip = getenv('REMOTE_ADDR'); } else { $onlineip = $_SERVER['REMOTE_ADDR']; } return $onlineip; } function imgdecode($string) { global $_SERVER; $key = md5(onlineip() . "t" . $_SERVER['HTTP_USER_AGENT']); $coded = ''; $string = base64_decode($string); $keylength = strlen($key); for ($i = 0; $i < strlen($string); $i+= $keylength) { $coded.= substr($string, $i, $keylength) ^ $key; } return $coded; }
教程地址:http://www.phprm.com/code/b7cd2cc99701d17c3b0002e6c976aad9.html
欢迎转载!但请带上文章地址^^