Lviv 2013 d7 vs d8

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Lviv 2013 d7 vs d8

  1. 1. Drupal 7 vs 8 Andy Postnikov Freelancer & Alexey Gaydabura Lead Developer at @SkillD Lviv, 2013 http://www.skilld.fr
  2. 2. Installer makeup
  3. 3. Drupal 7 - install.php if (version_compare(PHP_VERSION, '5.2.4') < 0) { exit; } Drupal 8 - install.php chdir('..'); require_once __DIR__ . '/vendor/autoload.php'; if (version_compare(PHP_VERSION, '5.3.10') < 0) { exit; } if (ini_get('safe_mode')) { print 'Your PHP installation has safe_mode enabled. ...'; exit; }
  4. 4. Drupal 7 - index.php define('DRUPAL_ROOT', getcwd()); require_once DRUPAL_ROOT . '/includes/bootstrap.inc'; drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL); menu_execute_active_handler(); Drupal 8 - index.php require_once __DIR__ . '/core/vendor/autoload.php'; require_once __DIR__ . '/core/includes/bootstrap.inc'; try { drupal_handle_request(); } catch (Exception $e) { print 'If you have ... read http://drupal.org/documentation/rebuild'; throw $e; }
  5. 5. Drupal 7 - Bootstrap 1. DRUPAL_BOOTSTRAP_CONFIGURATION 2. DRUPAL_BOOTSTRAP_PAGE_CACHE 3. DRUPAL_BOOTSTRAP_DATABASE 4. DRUPAL_BOOTSTRAP_VARIABLES 5. DRUPAL_BOOTSTRAP_SESSION 6. DRUPAL_BOOTSTRAP_PAGE_HEADER 7. DRUPAL_BOOTSTRAP_LANGUAGE 8. DRUPAL_BOOTSTRAP_FULL
  6. 6. Drupal 8 - Bootstrap 1. DRUPAL_BOOTSTRAP_CONFIGURATION + DRUPAL_BOOTSTRAP_KERNEL 2. DRUPAL_BOOTSTRAP_PAGE_CACHE 3. DRUPAL_BOOTSTRAP_DATABASE DRUPAL_BOOTSTRAP_VARIABLES - DRUPAL_BOOTSTRAP_SESSION - DRUPAL_BOOTSTRAP_PAGE_HEADER - DRUPAL_BOOTSTRAP_LANGUAGE + DRUPAL_BOOTSTRAP_CODE DRUPAL_BOOTSTRAP_FULL (language + theme) Should be 3 steps - https://drupal.org/node/2023495
  7. 7. Drupal 7: Menu page callback $result = _menu_site_is_offline() ? MENU_SITE_OFFLINE : MENU_SITE_ONLINE; drupal_alter('menu_site_status', $result, ...); $result = call_user_func_array( $router['page_callback'], $router['page_arguments']); drupal_alter('page_delivery_callback', $delivery_callback); drupal_deliver_html_page() drupal_render_page() - hook_page_build() + hook_page() drupal_page_footer()
  8. 8. Drupal 8: Symfony drupal_handle_request() // Initialize the environment, load settings.php, and activate a PSR-0 class // autoloader with required namespaces registered. drupal_bootstrap(DRUPAL_BOOTSTRAP_CONFIGURATION); $kernel = new DrupalKernel('prod', drupal_classloader(), !$test_only); // @todo Remove this once everything in the bootstrap has been // converted to services in the DIC. $kernel->boot(); drupal_bootstrap(DRUPAL_BOOTSTRAP_CODE); // Create a request object from the HttpFoundation. $request = Request::createFromGlobals(); $response = $kernel->handle($request) ->prepare($request)->send(); $kernel->terminate($request, $response);
  9. 9. D7: Hook, alter, preprocess! ● ● ● ● ● Core hooks Custom hooks Alter everything Preprocess anything Theme suggestions You are the King!
  10. 10. D8: Hook, alter, preprocess! + Subscribe ● ● ● ● ● ● Kernel & Routing events Core hooks Custom hooks Alter everything Preprocess anything Theme suggestions ++ You are the King!
  11. 11. D8: Subscribe kernel namespace SymfonyComponentHttpKernel; final class KernelEvents ● ● ● ● ● ● REQUEST - hook_boot() CONTROLLER - menu “page callback” VIEW - hook_page_build() RESPONSE - hook_page_alter() TERMINATE - hook_exit() EXCEPTION
  12. 12. D8: Subscribe routing namespace DrupalCoreRouting; final class RoutingEvents { const ALTER = 'routing.route_alter'; const DYNAMIC = 'routing.route_dynamic'; }
  13. 13. D8: Subscribe and alter namespace DrupalCoreEventSubscriber; class AccessSubscriber implements EventSubscriberInterface { static function getSubscribedEvents() { $events[KernelEvents::REQUEST][] = array ('onKernelRequestAccessCheck', 30); // Setting very low priority to ensure access checks are run after alters. $events[RoutingEvents::ALTER][] = array ('onRoutingRouteAlterSetAccessCheck', -50); return $events; } }
  14. 14. D8: Subscribe
  15. 15. D8: Hook, alter, preprocess function telephone_field_info_alter(&$info) { if (Drupal::moduleHandler()->moduleExists('text')) { $info['telephone']['default_formatter'] = 'text_plain'; } } function telephone_field_formatter_info_alter(&$info) { if (isset($info['text_plain'])) { $info['text_plain']['field_types'][] = 'telephone'; } }
  16. 16. D7: My.module vs altering ● hook_menu() $items['mypath'] = array( 'page callback' => 'mypath_page_view' 'theme callback' => 'theme_mypath_page_view' 'delivery callback' => 'deliver_mypath_page_view' ● ● hook_theme() mypath_page_view($arg); VS ● ● ● ● hook_menu_alter() hook_theme_registry_alter() mycore_page_view() mycore_page_theme()
  17. 17. D7: My.module hook_menu() 1. 2. 3. 4. 5. 6. Routing Menu links Local actions Local tasks Breadcrumbs Contextual links
  18. 18. D8: My.module NO hook_menu() 1. my.routing.yml 2. my_default_menu_links() 3. my.local_actions.yml 4. my.local_tasks.yml 5. class MyBreadcrumbBuilder 6. my.contextual_links.yml 7. my.services.yml
  19. 19. D8: My.module vs altering hook_”world”_alter() - THE SAME! class MyEventSubscriber implements EventSubscriberInterface { public static function getSubscribedEvents(); } class MyServiceProvider implements ServiceProviderInterface, ServiceModifierInterface { public function register(ContainerBuilder $container) {} public function alter(ContainerBuilder $container) {} }
  20. 20. D8: Services & Managers
  21. 21. D7 vs D8: render Render array (‘#theme’ => ‘item_list’,‘#items’ => array()) https://drupal.org/node/2068471 + $events[KernelEvents::VIEW][] = array('onHtmlFragment', 100); + $events[KernelEvents::VIEW][] = array('onHtmlPage', 50); class Link extends HeadElement class Metatag extends HeadElement class HeadElement class HtmlPage extends HtmlFragment class HtmlFragment
  22. 22. When it’s ready™? https://drupal.org/node/2107085 http://xjm.drupalgardens.com/blog/when-its-ready no more hook_menu() no more variable_get() complete language negotiation complete entity field api
  23. 23. Questions?
  24. 24. Drupal 7 vs 8 Anderey Postnikov Alexey Gaydabura Freelance Developer Skype: andypost E-mail: apostnikov@gmail.com Lead Developer at @SkillD Skype: alexey.gaydabura E-mail: gaydabura@gmail.com http://www.skilld.fr

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