php会话类,php简单的会话类代码
class session
{
static $sessionObject;
/* $_SESSION[‘user’] == 0 , don’t work .
* == 1 , he is really user .
*/
private function __construct()
{
if(! ( isset($_SESSION[‘user’]) && $_SESSION[‘user’]==0 ))
session_set_cookie_params(3600);
session_start(); //Initialize14 }15 private function __clone()
{
}
public static function getObject()
{
if(! self::$sessionObject instanceof self)
$sessionObject = new session() ;
return $sessionObject;
}
public function set_false()
{
$_SESSION[‘user’] = 0 ; // for PHP>=5
}
public function set_true()
{
if( isset($_SESSION[‘user’]) )
$_SESSION[‘user’] = 1 ;
else
$this->error();
}
public function get_status()
{
return $_SESSION[‘user’];
}
public function end_session()
{
session_destroy();
}
public function error()
{
}
}
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