让 PHP COOKIE 立即生效（不用刷新就可以使用）

<?php

    function set_my_cookie($var, $value = '', $time = , $path = '', $domain = '') {

        $_COOKIE[$var] = $value;

        setcookie($var, $value, $time, $path, $domain);

    }

    // set_my_cookie('test', 'ryan_test');

    // echo $_COOKIE['test'];

    if ($_SERVER['REQUEST_METHOD'] == 'POST') {

        set_my_cookie('test1', 'ryan_test1');

    }

    echo $_COOKIE['test1'];

?>

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <meta name="viewport" content="width=device-width, initial-scale=1.0">

    <meta http-equiv="X-UA-Compatible" content="ie=edge">

    <title>Cookie</title>

</head>

<body>

    <form action="" method='post'>

        <input type="submit" />

    </form>

</body>

</html>

巴特西

让 PHP COOKIE 立即生效（不用刷新就可以使用）

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