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How do you handle request and response bodies in Slim Framework? - Code Stap
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How do you handle request and response bodies in Slim Framework?

How do you handle request and response bodies in Slim Framework?

In Slim Framework, handling request and response bodies is straightforward. Here’s how you manage both:

Handling Request Body

  • Get Request Body as String: To retrieve the entire request body as a string, use the getBody() method:

Example

<?php
$app->post('/process', function ($request, $response) {
    $body = (string) $request->getBody();
    // Process the body content
    return $response->write('Request received: ' . $body);
});
?>
  • Get Request Body as JSON: If you’re expecting a JSON request, you can decode it into an associative array:

Example

<?php
$app->post('/json', function ($request, $response) {
    $data = $request->getParsedBody();
    // Access JSON data, e.g., $data['key']
    return $response->withJson($data);
});
?>
  • Get Form Data: To get form-encoded data (e.g., from an HTML form), use getParsedBody():

Example

<?php
$app->post('/form', function ($request, $response) {
    $data = $request->getParsedBody();
    $name = $data['name'] ?? 'Guest';
    return $response->write("Hello, $name");
});
?>

Handling Response Body

  • Write to Response Body: You can send a response by writing directly to the response object:

Example

<?php
$app->get('/response', function ($request, $response) {
    return $response->write('This is the response body');
});
?>
  • Return JSON Response: To send a JSON response, use withJson():

Example

<?php
$app->get('/json-response', function ($request, $response) {
    $data = ['name' => 'John', 'status' => 'active'];
    return $response->withJson($data);
});
?>
  • Send Custom Response Status and Headers: Modify the response status code and add headers:

Example

<?php
$app->get('/custom-response', function ($request, $response) {
    return $response->withStatus(201)
                    ->withHeader('Content-Type', 'application/json')
                    ->write('{"message": "Created"}');
});

?>

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