Session.php
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<?php
/**
* Created by PhpStorm.
* User: Zip
* Date: 14/12/26
* Time: 上午12:39
*/
namespace Hood;
use Hood\Core\Session\SessionNamespace;
use Hood\Core\Session\CacheSession;
use Hood\Core\Session\FileSession;
use Hood\Core\Session\RpcSession;
class Session
{
private static $_session = null;
/**
* 开启Session并设置NameSpace
* @param $namespace
* @return SessionNamespace
*/
static public function start($namespace = 'session_default', $sessionName = null, $domain = null)
{
if (self::isSessionStarted() == false || self::$_session == null) {
self::$_session = new CacheSession($sessionName, $domain);
session_start();
}
return new SessionNamespace ($namespace);
}
/**
* 开启Session并设置NameSpace,使用File
* @param $namespace
* @return SessionNamespace
*/
static public function fileStart($namespace = 'session_default')
{
if (self::isSessionStarted() == false || self::$_session == null) {
self::$_session = new FileSession();
session_start();
}
return new SessionNamespace ($namespace);
}
/**
* @param $serviceUrl
* @param string $namespace
* @return SessionNamespace
*/
static public function service($serviceUrl, $namespace = 'session_default', $sessionName = null)
{
if (self::isSessionStarted() == false || self::$_session == null) {
self::$_session = new RpcSession($serviceUrl);
self::$_session->setSessionName($sessionName);
session_start();
}
return new SessionNamespace ($namespace);
}
/**
* 检查Session是否开启
* @return bool
*/
static private function isSessionStarted()
{
if (php_sapi_name() !== 'cli') {
if (version_compare(phpversion(), '5.4.0', '>=')) {
return session_status() === PHP_SESSION_ACTIVE ? TRUE : FALSE;
} else {
return session_id() === '' ? FALSE : TRUE;
}
}
return false;
}
}