3.5 PSR-15 Middleware in TYPO3

Descripción

TYPO3 CD 2020 (zweite Auflage) Test sobre 3.5 PSR-15 Middleware in TYPO3, creado por Pascal Bartl el 09/04/2021.
Pascal Bartl
Test por Pascal Bartl, actualizado hace más de 1 año
Pascal Bartl
Creado por Pascal Bartl hace más de 3 años
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Resumen del Recurso

Pregunta 1

Pregunta
Which statements about middlewares are correct? (2)
Respuesta
  • Multiple middlewares must be implemented in multiple extensions
  • Middlewares in TYPO3 follow the PSR-15 standard
  • The MiddlewareProvider in TYPO3 requires at least PHP version 7.3
  • Middlewares are the successor of CenterWares in PHP version 5.6
  • TYPO3 comes with some default middlewares that can be overwritten by custom implementations

Pregunta 2

Pregunta
How do you implement a custom middleware in TYPO3? (1)
Respuesta
  • By developing an extension with the class Classes/Domain/Backend/Middleware.php
  • By developing an extension with the class Classes/Domain/Middleware/Backend.php
  • By extending the core class \TYPO3\CMS\Core\AbstractMiddleware
  • By registering the custom middleware class in file Configuration/RequestMiddlewares.php

Pregunta 3

Pregunta
Which statements about the position of a middleware in the process stack are correct? (3)
Respuesta
  • If the same middleware key is used multiple times, these middlewares are executed in random order
  • If the same middleware key is used multiple times, previous middlewares are overwritten (replaced)
  • Middlewares provided by the TYPO3 core can not be overwritten for security reasons
  • Custom middlewares can be positioned in the process stack by specifying a “before” rule
  • Custom middlewares can be positioned in the process stack by specifying a “after” rule

Pregunta 4

Pregunta
Where can you look-up the current order of registered middlewares in TYPO3? (1)
Respuesta
  • In the TYPO3 backend under SYSTEM → Configuration → HTTP Middlewares (PSR-15)
  • In the TYPO3 backend under ADMIN TOOLS → Environment → Environment Overview
  • By executing the CLI command typo3/sysext/core/bin/typo3 configuration:middlewares
  • By reviewing the file typo3conf/MiddlewaresConfiguration.php
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