public function NativeSessionStorage::start in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php \Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::start()

Starts the session.

Return value

bool True if started.

Throws

\RuntimeException If something goes wrong starting the session.

Overrides SessionStorageInterface::start

2 calls to NativeSessionStorage::start()

NativeSessionStorage::getBag in vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php

Gets a SessionBagInterface by name.

SessionManager::startNow in core/lib/Drupal/Core/Session/SessionManager.php

Forcibly start a PHP session.

2 methods override NativeSessionStorage::start()

PhpBridgeSessionStorage::start in vendor/symfony/http-foundation/Session/Storage/PhpBridgeSessionStorage.php

Starts the session.

SessionManager::start in core/lib/Drupal/Core/Session/SessionManager.php

Starts the session.

File

vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php, line 128

Class

NativeSessionStorage

This provides a base class for session attribute storage.

Namespace

Symfony\Component\HttpFoundation\Session\Storage

Code

public function start() {
  if ($this->started) {
    return true;
  }
  if (PHP_VERSION_ID >= 50400 && \PHP_SESSION_ACTIVE === session_status()) {
    throw new \RuntimeException('Failed to start the session: already started by PHP.');
  }
  if (PHP_VERSION_ID < 50400 && !$this->closed && 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;
}