PHP知识分享之session && cookie

<?php

    /*

     * @Content : session && cookie

     * @author  : Mr.xml 

     * @time    : 2015-3-17 09:53:49

     */

    session_start();    //开启session

    header("Content-type:text/html;charset=utf-8");    //设置字符编码

    $_SESSION['arr'] = array(

        'name' =>'xx',

        'age'=>20,

        'sex'=>'is_nan',

    );

    session_destroy();    //销毁session 

    if(isset($_SESSION)){

        print_r($_SESSION);

    }else{

        echo "session以销毁！";

    }

///////////////////////////////////////////////////////////////////



    // php设置cookie ，php中cookie如何以数组的方式进行存储

    $arr  = array(

        'name'=>'xxxx22',

        'sex'=>'boys',

        'age'=>21,

    );

    //数组转换字符串存储

    $cookie  = serialize($arr);

    //设置cookie

    setcookie('cookies',$cookie,time()+60*60);  

    print_r($cookies);



    setcookie('cookies','',time()-3600)    //销毁cookie

    if(isset($cookies)){

        print_r($cookies);

    }else{

        echo "cookie已销毁！";

    }