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File Uploads in a REST API in PHP (source to accompany https://youtu.be/0C1s7E6-1mw)
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| <?php | |
| declare(strict_types=1); | |
| use Slim\Factory\AppFactory; | |
| use Psr\Http\Message\ServerRequestInterface as Request; | |
| use Psr\Http\Message\ResponseInterface as Response; | |
| require dirname(__DIR__) . "/vendor/autoload.php"; | |
| $app = AppFactory::create(); | |
| $app->post('/api/images', function (Request $request, Response $response) { | |
| $files = $request->getUploadedFiles(); | |
| if ( ! array_key_exists("file", $files)) { | |
| $response->getBody()->write(json_encode("'file' missing from request data")); | |
| return $response->withHeader("Content-type", "application/json") | |
| ->withStatus(422); | |
| } | |
| $file = $files["file"]; | |
| $error = $file->getError(); | |
| if ($error !== UPLOAD_ERR_OK) { | |
| return $response->withStatus(422); | |
| } | |
| if ($file->getSize() > 1000000) { | |
| return $response->withStatus(422); | |
| } | |
| $media_types = ["image/png", "image/jpeg"]; | |
| if ( ! in_array($file->getClientMediaType(), $media_types)) { | |
| return $response->withStatus(422); | |
| } | |
| try { | |
| $file->moveTo(dirname(__DIR__) . "/uploads/" . $file->getClientFilename()); | |
| return $response->withStatus(201); | |
| } catch (Exception $e) { | |
| return $response->withStatus(500); | |
| } | |
| }); | |
| $app->get("/api/images/{id}", function (Request $request, Response $response) { | |
| $path = dirname(__DIR__) . "/uploads/fish.png"; | |
| $contents = file_get_contents($path); | |
| $response->getBody()->write($contents); | |
| return $response->withHeader("Content-type", "image/png"); | |
| }); | |
| $app->delete("/api/images/{id}", function (Request $request, Response $response) { | |
| $path = dirname(__DIR__) . "/uploads/fish.png"; | |
| unlink($path); | |
| return $response; | |
| }); | |
| $app->run(); |
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