一个关于cookie十分郁闷的问题

Question

<?if(isset($_COOKIE['num'])){
$_COOKIE['num']++;
setcookie("num", $_COOKIE['num']+1);
}else{
setcookie("num", 1);

}
echo $_COOKIE['num'];?>

Answer 1

<?if(isset($_COOKIE['num'])){
setcookie("num", $_COOKIE['num']+1);
}else{
setcookie("num", 1);

}
echo $_COOKIE['num'];?>

Answer 2

楼主混淆了cookie和session的赋值方法。

Answer 3

楼主混淆了cookie和session的赋值方法。
----------------------------
$_COOKIE['name']='aaa';
echo $_COOKIE['name'];output:
aaa

Answer 4

Actually,I think it is caused by buffer.....