30183168
Beschreibung
Quiz von Pascal Bartl, aktualisiert more than 1 year ago
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Erstellt von Pascal Bartl
vor mehr als 3 Jahre
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Frage 1
Frage
Which statements about Extbase controllers are correct? (2)
Antworten
-
Extbase controllers are always interfaces
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Every controller must directly extend the basis controller TYPO3\CMS\Extbase\Mvc\Controller\ActionController
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The visibility of all properties should be protected
-
All method names in a controller must end in Action()
-
The logic implemented in controllers should be kept to a minimum
Frage 2
Frage
What are the characteristics of the methods redirect() and forward() in a controller? (2)
Antworten
-
The redirect() method requires the controller name of the target as an argument
-
The redirect() method initiates a new HTTP request
-
The forward() method transfers the request to the target action automatically
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The forward() method changes the URL in the way that the action name appears
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The redirect() and forward() methods both clear the cache
Frage 3
Frage
What are the differences between the controller methods forward() and redirect()? (2)
Antworten
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There are no differences
-
Method $this->forward() is set as $this->request->setDispatched(false)
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Method $this->redirect() initiates a new HTTP request; method $this->forward() does not
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Method $this->forward() does not accept any arguments, $this->redirect() does
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Method $this->redirect() renders a template by default; method $this->forward() does not
Frage 4
Frage
How can you generate a HTTP status code 400? (2)
Antworten
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die(400, null, 'Bad Request.')
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$this->addError(400, null, 'Bad Request.')
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new \TYPO3\CMS\Extbase\Error\Error(400, null, 'Bad Request.')
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$this->throwStatus(400, null, 'Bad Request.')
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Instantiate a response object and set the status code as \GuzzleHttp\Psr7\Response(400)
Frage 5
Frage
What are the characteristics of controllers? (2)
Antworten
-
Controllers are the control and central processing unit in the MVC stack
-
Controllers are responsible for initialising domain models
-
The logic implemented in controllers should be kept to a minimum
-
All business logic should be implemented in controllers
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Controllers validate all objects
Frage 6
Frage
Which statements about “actions” in Extbase’s controller/action concept are correct? (3)
Antworten
-
Action methods are always static functions
-
Actions are public methods of a controller class
-
Names of action methods always end in Action, for example listAction()
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Each action must be stored in a separate PHP file under Classes/Actions/
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To be able to request an action of a plugin, the action has to be registered by using configurePlugin()
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Action methods must always return a string (this is the content shown in the frontend)
Frage 7
Frage
How can a fallback to the default action be achieved, in order to prevent an error if a non-configured action is
called? (1)
Antworten
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This is the default behaviour of Extbase
-
An appropriate configuration in file ext_localconf.php is required
-
The TypoScript setting callDefaultActionIfActionCantBeResolved can be configured
-
An errorAction() method can be implemented in the controller
-
The key routing can be used in TypoScript
Frage 8
Frage
How can a “Page Not Found” error message be displayed – HTTP code 404 – if a non-configured action is called? (1)
Antworten
-
This is the default behaviour of Extbase
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An appropriate configuration in the ext_localconf.php file is required
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The TypoScript setting exceptionHandler can be configured
-
An errorAction() method can be implemented in the controller
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The TypoScript setting throwPageNotFoundExceptionIfActionCantBeResolved can be configured
Frage 9
Frage
Which approach is officially recommended to get an object in a controller? (1)
Antworten
-
use \Vendor\MyExtension\Domain\Repository\TagRepository; ... $this->objectManager->get(TagRepository::class)
-
use \Vendor\MyExtension\Domain\Repository\TagRepository; ... $this->objectManager->create(TagRepository::class)
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new \Vendor\MyExtension\Domain\Repository\TagRepository
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use \Vendor\MyExtension\Domain\Repository\TagRepository; ... $this->instanceManager->make(TagRepository::class)
-
use \TYPO3\CMS\Core\Utility\GeneralUtility; use \Vendor\MyExtension\Domain\Repository\TagRepository; ... GeneralUtility::makeInstance(TagRepository::class);
Frage 10
Frage
Where is the Object Manager available as $this->objectManager by default? (2)
Antworten
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In repositories
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In ViewHelpers
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In Fluid templates
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In controllers
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In domain models
Frage 11
Frage
Which statements about the view in a controller are correct? (2)
Antworten
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You can access the output of a view by using the method render()
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The view can only be rendered at the end of an action method
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The view is available in the action as $this->view
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To prevent rendering the view, the action must return false
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It is not possible to render a different view than the default one
Frage 12
Frage
How do you prevent an action from being executed? (2)
Antworten
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The action can be omitted from the TypoScript key switchableControllerActions
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The action can be omitted from the first array of the plugin configuration in file ext_localconf.php
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The action can be omitted from the second array of the plugin configuration in file ext_localconf.php
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By setting the attribute deactivate in file tables.php
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By configuring the action in the page TS key deniedActions
Frage 13
Frage
How can an invalid domain object $blog be accessed in an action new? (2)
Antworten
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This is always possible
-
Via the initializeNewAction() method
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Via the errorNewAction() method
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Via the newAction() method if the annotation @ignorevalidation $blog is set
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Via the __destruct() method
Frage 14
Frage
What is the purpose of the method errorAction() in a controller? (1)
Antworten
-
This method is executed if an error in the controller occurs
-
This method is executed if an error in the view occurs
-
This method is executed before the primary action
-
This method is always executed after the primary action
-
This method is executed if a validation error in the controller occurs
Frage 15
Frage
How can validation errors of an object $blog be accessed in a controller? (1)
Antworten
-
This is not possible
-
By $blog->getErrors()
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By $this->getErrors()
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By $this->controllerContext->getRequest()->getErrors()
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By $this->errors
Frage 16
Frage
How can a non-persisting object be created from a GET request? (1)
Antworten
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This happens automatically if the object is passed to the method as a parameter in the action
-
By using the “Object Type Converter”
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By manually executing convertArrayToObject() in the Property Mapper
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By setting the property mapping in TypoScript
Frage 17
Frage
What is the purpose of the following method in a controller? (2)
use \TYPO3\CMS\Core\Utility\ArrayUtility;
...
public function initializeAction()
{
$settings = [
...
];
ArrayUtility::mergeRecursiveWithOverrule(
$this->settings,
$settings
);
}
Antworten
-
FlexForm settings are merged with TypoScript settings
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Custom settings are merged with TypoScript settings
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All empty values in the arrays, both $settings and $this->settings, are removed
-
Keys with a value __UNSET in the array $settings unset array keys with the same name in the array $this->settings
Frage 18
Frage
How do you retrieve the data of the current content object in Extbase? (1)
Antworten
-
By accessing getContentObject()->data of the ConfigurationManager
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By accessing $this->request->getContentObjectData()
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By accessing $this->cObj->data
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By accessing $this->cObj->cObjGetSingle()
Frage 19
Frage
In which file are custom Type Converters registered? (1)
Antworten
-
File ext_tables.php
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File ext_localconf.php
-
The controller
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File Configuration/TCA/table.php
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File Configuration/TypoScript/setup.typoscript
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