比如
$_session["username"]=""zhangsan1;
$_session["username"]=""zhangsan2;
$_session["username"]=""zhangsan3;
$_session["username"]=""zhangsan4;
$_session["username"]=""zhangsan5;
这样的话是会覆盖 还是全部都在,如何访问其中的某一个,如何全部打印出来?
$_session["username"]=""zhangsan1;
$_session["username"]=""zhangsan2;
$_session["username"]=""zhangsan3;
$_session["username"]=""zhangsan4;
$_session["username"]=""zhangsan5;
这样的话是会覆盖 还是全部都在,如何访问其中的某一个,如何全部打印出来?
<?php
session_start();$_SESSION['username'] = array();
$_SESSION['username'][] = 'zhangsan1';
$_SESSION['username'][] = 'zhangsan2';
$_SESSION['username'][] = 'zhangsan3';
$_SESSION['username'][] = 'zhangsan4';
$_SESSION['username'][] = 'zhangsan5';print_r($_SESSION);
?>
另外注意$_SESSION大小写