SESSION和COOKIE

  index.php

<?php
	setcookie('user', '付新', time()+3600);
	echo $_COOKIE['user'];
	setcookie('user','',time()-1);
	
	session_start();	
	$_SESSION['name'] = "Hello, 付新";
?>

 main.php

<?php
	session_start();
	echo $_SESSION['name'];
	unset($_SESSION['name']);
?>