| 1 | <?php |
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| 14 | final class ImageUploadAction |
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| 15 | { |
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| 16 | |||
| 17 | /** |
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| 18 | * IndexAction constructor. |
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| 19 | * |
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| 20 | * @param Upload $upload template engine |
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| 21 | */ |
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| 22 | public function __construct(Upload $upload) |
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| 26 | |||
| 27 | /** |
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| 28 | * Executed when action is called. |
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| 29 | * |
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| 30 | * @param RequestInterface $request request |
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| 31 | * @param Response $response response |
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| 32 | * @param callable|null $next next middleware |
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| 33 | * |
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| 34 | * @return JsonResponse |
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| 35 | */ |
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| 36 | public function __invoke(RequestInterface $request, Response $response, callable $next = null) |
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| 44 | } |
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| 45 |
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: