/**
* {@inheritdoc}
*/
public function start()
{
if ($this->started && !$this->closed) {
return true;
}
if (version_compare(phpversion(), '5.4.0', '>=') && \PHP_SESSION_ACTIVE === session_status()) {
throw new \RuntimeException('Failed to start the session: already started by PHP.');
}
if (version_compare(phpversion(), '5.4.0', '<') && isset($_SESSION) && session_id()) {
// not 100% fool-proof, but is the most reliable way to determine if a session is active in PHP 5.3
throw new \RuntimeException('Failed to start the session: already started by PHP ($_SESSION is set).');
}
if (ini_get('session.use_cookies') && headers_sent($file, $line)) {
throw new \RuntimeException(sprintf('Failed to start the session because headers have already been sent by "%s" at line %d.', $file, $line));
}
// ok to try and start the session
if (!session_start()) {
throw new \RuntimeException('Failed to start the session');
}
$this->loadSession();
if (!$this->saveHandler->isWrapper() && !$this->saveHandler->isSessionHandlerInterface()) {
// This condition matches only PHP 5.3 with internal save handlers
$this->saveHandler->setActive(true);
}
return true;
}
/**
* {@inheritdoc}
*/
public function save()
{
session_write_close();
if (!$this->saveHandler->isWrapper() && !$this->saveHandler->isSessionHandlerInterface()) {
// This condition matches only PHP 5.3 with internal save handlers
$this->saveHandler->setActive(false);
}
$this->closed = true;
}
/**
* {@inheritdoc}
*/
public function start()
{
if ($this->started && !$this->closed) {
return true;
}
// catch condition where session was started automatically by PHP
if (!$this->started && !$this->closed && $this->saveHandler->isActive() && $this->saveHandler->isSessionHandlerInterface()) {
$this->loadSession();
return true;
}
if (ini_get('session.use_cookies') && headers_sent()) {
throw new \RuntimeException('Failed to start the session because headers have already been sent.');
}
// start the session
if (!session_start()) {
throw new \RuntimeException('Failed to start the session');
}
$this->loadSession();
if (!$this->saveHandler->isWrapper() && !$this->saveHandler->isSessionHandlerInterface()) {
$this->saveHandler->setActive(false);
}
return true;
}
public function testIsSessionHandlerInterface()
{
$this->assertFalse($this->proxy->isSessionHandlerInterface());
$sh = new ConcreteSessionHandlerInterfaceProxy();
$this->assertTrue($sh->isSessionHandlerInterface());
}
