PHP - Cookie

<?php
    //设置编码
    header("content-type:text/html; charset=utf-8");
    //设置时区
    date_default_timezone_set(‘Asia/Shanghai‘);
    
    //判断cookie
    if (isset($_COOKIE[‘loginTime‘])) {
        echo ‘cookie已经存在，60s后失效，可以跳转到[delcookie.php]页面删除cookie，现在的值为：‘.PHP_EOL;
        echo $_COOKIE[‘loginTime‘];
    } else {
        
        //cookie名称
        $cookieName = ‘loginTime‘;
        //cookie值
        $cookieValue = date(‘Y-m-d h:i:s‘,time());
        //设置cookie,过期时间60s
        setcookie($cookieName,$cookieValue,time()+60);
        
        echo ‘第一次运行，cookie不存在，已经创建cookie，请重新刷新页面！‘;
    }
?>

<?php
    //设置编码
    header("content-type:text/html; charset=utf-8");
    
    if (isset($_COOKIE[‘loginTime‘])) {
        //删除cookie
        setcookie(‘loginTime‘,‘‘,time() - 1);
        echo ‘删除cookie成功！‘;
    }
?>