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PHP - setcookie 不生效
原标题:PHP - setcookie doesn t take effect
  • 时间:2012-05-22 14:29:40
  •  标签:
  • php
  • cookies
<?php
    setcookie("name", "abc");
    echo $_COOKIE["name"];
?>

当我重新加载这个页面时 它在屏幕上什么也没有显示 为什么?

但再次重新装入, 显示 abc 。

为什么?

最佳回答

当您设置一个 cookie 时, 它要等到下一页加载后才能使用 。

这一点在

问题回答

Cookies 被发送为您页面 s HTTP 响应的一部分, 所以直到 在 < / em> 发送您的回复后才会存在。 这就是为什么您必须重新装入页面才能看到值 。





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