PHP复习session cookie

<?php
setcookie(“ckname”,”ckvalue”,time()+60*60*24*1);
echo $_COOKIE[“ckname”];
print_r($_COOKIE);
setcookie(“ckname”);
setcookie(“ckname”,time()-1);
setcookie(“pd[aa]”,”valu1″,time()+60*60*24*1);
setcookie(“pd[bb]”,”valu1″,time()+60*60*24*1);
setcookie(“pd[cc]”,”valu1″,time()+60*60*24*1);
setcookie(“pd[dd]”,”valu1″,time()+60*60*24*1);

session_start();
$_SESSION[“name”] = “sname”;
setcookie(session_name(),session_id(),0,’/’);
<a href=”index.php?$_SESSION[‘name’]”>1111</a>
session_destroy();
$_SESSION = array();