Example Controller for TYPO3 v13 Extbase

This controller demonstrates the implementation of an Extbase controller in TYPO3 v13 with modern PHP 8.2+ features and complete PHPDoc documentation.

The controller provides example actions for typical CRUD operations and shows best practices for:

• Dependency Injection
• Response Handling
• View Assignments
• Routing

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• Full name: \Vendor\ExtensionSkeleton\Controller\ExampleController
• Parent class: ActionController

Properties

pageRenderer

private \TYPO3\CMS\Core\Page\PageRenderer $pageRenderer

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Methods

__construct

Constructor with Dependency Injection

public __construct(\TYPO3\CMS\Core\Page\PageRenderer $pageRenderer): mixed

TYPO3 v13 uses Constructor Injection for all dependencies. The PageRenderer is injected here as an example.

Parameters:

Parameter	Type	Description
$pageRenderer	\TYPO3\CMS\Core\Page\PageRenderer	TYPO3 Page Renderer for asset handling

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indexAction

Index Action - List view

public indexAction(): \Psr\Http\Message\ResponseInterface

This action displays a list of example data. It demonstrates:

• View variable assignment
• Array data passing
• Response handling

Return Value:

The rendered response

Throws:

If the template is not found

• RuntimeException

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showAction

Show Action - Detail view

public showAction(int $id = 1): \Psr\Http\Message\ResponseInterface

Displays details of a single item. Demonstrates parameter passing via routing.

Parameters:

Parameter	Type	Description
$id	int	The ID of the item to display

Return Value:

The rendered response

Throws:

If the ID is invalid

• InvalidArgumentException If the item is not found
• RuntimeException

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getExampleData

Returns example data

private getExampleData(): array<int,array{id: int, title: string, description: string, created: int}>

In a real extension, this would fetch data from the database or a repository.

Return Value:

Array with example items

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getItemById

Gets a single item by ID

private getItemById(int $id): array{id: int, title: string, description: string, created: int}|null

Parameters:

Parameter	Type	Description
$id	int	The item ID

Return Value:

The found item or null

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