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1 <?php
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2
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3 namespace Drupal\Core\EventSubscriber;
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4
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5 use Drupal\Core\Extension\ModuleHandlerInterface;
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6 use Symfony\Component\HttpKernel\KernelEvents;
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7 use Symfony\Component\HttpKernel\Event\PostResponseEvent;
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8 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
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9
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10 /**
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11 * Subscriber for all responses.
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12 */
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13 class RequestCloseSubscriber implements EventSubscriberInterface {
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14
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15 /**
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16 * @var \Drupal\Core\Extension\ModuleHandlerInterface
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17 */
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18 protected $moduleHandler;
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19
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20 /**
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21 * Constructs a new RequestCloseSubscriber instance.
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22 *
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23 * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
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24 * The module handler.
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25 */
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26 public function __construct(ModuleHandlerInterface $module_handler) {
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27 $this->moduleHandler = $module_handler;
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28 }
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29
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30 /**
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31 * Performs end of request tasks.
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32 *
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33 * @todo The body of this function has just been copied almost verbatim from
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34 * drupal_page_footer(). There's probably a lot in here that needs to get
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35 * removed/changed. Also, if possible, do more light-weight shutdowns on
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36 * AJAX requests.
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37 *
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38 * @param Symfony\Component\HttpKernel\Event\PostResponseEvent $event
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39 * The Event to process.
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40 */
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41 public function onTerminate(PostResponseEvent $event) {
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42 $this->moduleHandler->writeCache();
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43 }
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44
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45 /**
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46 * Registers the methods in this class that should be listeners.
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47 *
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48 * @return array
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49 * An array of event listener definitions.
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50 */
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51 public static function getSubscribedEvents() {
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52 $events[KernelEvents::TERMINATE][] = ['onTerminate', 100];
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53
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54 return $events;
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55 }
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56
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57 }
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