php学习笔记（二十五）php中cookie的使用和控制

tanggang1740

<?php
/**
* Http是无状态的
* 1.只能在本页面使用变量
* 2.使用get和post来传递参数（两个页面间）
* 3.使用文件
* file_put_contents("var.txt", "hello");
* file_get_contents("var.txt");
*
* Cookie
*
*
*/
//保存一个小时
$time = time()+3600;
setCookie("one","111",$time);
setcookie("two","222",$time);
setcookie("three","333",$time);
//存入数组
setcookie("four[0]","444000",$time);
setcookie("four[1]","444111",$time);
echo "保存成功<br>";
print_r($_COOKIE);
echo $_COOKIE["one"];
echo $_COOKIE["four"][0];
//destroyCookie();
/**
* 删除数据
* 需要将每一个存储的变量都进行删除
*/
function destroyCookie(){
//马上设置过期
$time = time()-100;
setCookie("one","111",$time);
setcookie("two","222",$time);
setcookie("three","333",$time);
//存入数组
setcookie("four[0]","444000",$time);
setcookie("four[1]","444111",$time);
}
?>