Summary

The option is used to easily upload JSON encoded data as thebody of a request. A Content-Type header of application/json will beadded if no Content-Type header is already present on the message.

Types

Any PHP type that can be operated on by PHP's json_encode() function.

Default

None

Constant

use GuzzleHttp\Middleware;
 
// Grab the client's handler instance.
$clientHandler = $client->getConfig('handler');
$tapMiddleware = Middleware::tap(function ($request) {
    echo $request->getHeaderLine('Content-Type');
    // application/json
    echo $request->getBody();
});
 
$response = $client->request('PUT', '/put', [
    'json'    => ['foo' => 'bar'],
]);