function start()
{
if (self::$started) {
return;
} elseif (self::$started === NULL && defined('SID')) {
throw new InvalidStateException('A session had already been started by session.auto-start or session_start().');
}
$this->configure($this->options);
NDebug::tryError();
session_start();
if (NDebug::catchError($e)) {
@session_write_close();
throw new InvalidStateException($e->getMessage());
}
self::$started = TRUE;
if ($this->regenerationNeeded) {
session_regenerate_id(TRUE);
$this->regenerationNeeded = FALSE;
}
unset($_SESSION['__NT'], $_SESSION['__NS'], $_SESSION['__NM']);
$nf =& $_SESSION['__NF'];
if (empty($nf)) {
$nf = array('C' => 0);
} else {
$nf['C']++;
}
$browserKey = $this->getHttpRequest()->getCookie('nette-browser');
if (!$browserKey) {
$browserKey = (string) lcg_value();
}
$browserClosed = !isset($nf['B']) || $nf['B'] !== $browserKey;
$nf['B'] = $browserKey;
$this->sendCookie();
if (isset($nf['META'])) {
$now = time();
foreach ($nf['META'] as $namespace => $metadata) {
if (is_array($metadata)) {
foreach ($metadata as $variable => $value) {
if (!empty($value['B']) && $browserClosed || !empty($value['T']) && $now > $value['T'] || $variable !== '' && is_object($nf['DATA'][$namespace][$variable]) && (isset($value['V']) ? $value['V'] : NULL) !== NClassReflection::from($nf['DATA'][$namespace][$variable])->getAnnotation('serializationVersion')) {
if ($variable === '') {
unset($nf['META'][$namespace], $nf['DATA'][$namespace]);
continue 2;
}
unset($nf['META'][$namespace][$variable], $nf['DATA'][$namespace][$variable]);
}
}
}
}
}
register_shutdown_function(array($this, 'clean'));
}
