<?
/* 获取IP函数 */
function GetIP(){
if (getenv("HTTP_CLIENT_IP") && strcasecmp(getenv("HTTP_CLIENT_IP"), "unknown"))
$ip = getenv("HTTP_CLIENT_IP");
else if (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"), "unknown"))
$ip = getenv("HTTP_X_FORWARDED_FOR");
else if (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown"))
$ip = getenv("REMOTE_ADDR");
else if (isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], "unknown"))
$ip = $_SERVER['REMOTE_ADDR'];
else
$ip = "unknown";
return($ip);
}
?>
PHP防止刷新
<?php
setcookie("ID","WebUpdate",time()+60);
if(!isset($_COOKIE['ID']) )
{
echo "过了10秒可以操作";
}
else
{
echo "反之则没过10秒,不能操作";
}
?>
<?php
// ================
// 页面自动跳转函数
// 作者:网络搜索不明
// ================
function gotourl($message='',$url='',$title='')
{
$html ="<html><head>";
if(!empty($url))
$html .="<meta http-equiv='refresh' content=\"3;url='".$url."'\">";
$html .="<link href='images/style.css' type=text/css rel=stylesheet>";
$html .="</head><body><br><br><br><br>";
$html .="<table cellspacing='0' cellpadding='0' border='1' width='450' align='center'>";
$html .="<tr><td bgcolor='#ffffff'>";
$html .="<table border='1' cellspacing='1' cellpadding='4' width='100%'>";
$html .="<tr class='m_title'>";
$html .="<td>".$title."</td></tr>";
$html .="<tr class='line_1'><td align='center' height='60'>";
$html .="<br>".$message."<br><br>";
if (!empty($url))
$html .="系统将在3秒后返回<br>如果您的浏览器不能自动返回,请点击[<a href=".$url." target=_self>这里</a>]进入";
else
$html .="[<a href='#' >返回</a>]";
$html .="</td></tr></table></td></tr></table>";
$html .="</body></html>";
echo $html;
exit;
}
?>