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<?php
if($_COOKIE['c'] < 5){
setcookie('c',++$_COOKIE['c']);
echo '<meta http-equiv="refresh" content="1" />';
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html: charset=gb2312" />
<title>无标题文档</title>
</head>
<body>
<?php
echo "刷新第 $_COOKIE[c] 次";
?>
</body>
</html>
<?php
if($_COOKIE['c'] < 5)
setcookie('c',++$_COOKIE['c']);
?>
在setcookie之前已经有输出了都,请把它放在脚本最前面执行
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html: charset=gb2312" />
<title>无标题文档</title>
</head>
<body>
<?php
if($_COOKIE['c'] < 5){
setcookie('c',++$_COOKIE['c']);
echo $_COOKIE['c'];
echo '<meta http-equiv="refresh" content="1" />';
}
?>
</body>
</html>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<?php
if($_COOKIE['c'] < 5){
setcookie('c',++$_COOKIE['c']);
echo $_COOKIE['c'];
echo '<meta http-equiv="refresh" content="1" />';
}
?>
<?php //这应该是第一行
ob_start();
?>
<更多的代码....>
<?php
。。。更多的代码
if($_COOKIE['refresh_times'] < 5){
?>
<meta http-equiv="refresh" content="10" />
<?php
setcookie('refresh_times',++$_COOKIE['refresh_times']);
}
?>
<?php
if($_COOKIE['c'] < 5){
setcookie('c',++$_COOKIE['c']);
echo $_COOKIE['c'];
echo '<meta http-equiv="refresh" content="1" />';
}
?>