Drupal investigation

EventSubscriber.php 1.6KB

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  1. <?php
  2. /*
  3. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  4. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  5. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  6. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  7. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  8. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  9. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  10. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  11. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  12. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  13. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  14. *
  15. * This software consists of voluntary contributions made by many individuals
  16. * and is licensed under the MIT license. For more information, see
  17. * <http://www.doctrine-project.org>.
  18. */
  19. namespace Doctrine\Common;
  20. /**
  21. * An EventSubscriber knows himself what events he is interested in.
  22. * If an EventSubscriber is added to an EventManager, the manager invokes
  23. * {@link getSubscribedEvents} and registers the subscriber as a listener for all
  24. * returned events.
  25. *
  26. * @link www.doctrine-project.org
  27. * @since 2.0
  28. * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
  29. * @author Jonathan Wage <jonwage@gmail.com>
  30. * @author Roman Borschel <roman@code-factory.org>
  31. */
  32. interface EventSubscriber
  33. {
  34. /**
  35. * Returns an array of events this subscriber wants to listen to.
  36. *
  37. * @return array
  38. */
  39. public function getSubscribedEvents();
  40. }