feature #17688 [FrameworkBundle] Add extra attribute for HttpClient Configuration (alexandre-daubois)

This PR was merged into the 6.3 branch.

Discussion
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[FrameworkBundle] Add `extra` attribute for HttpClient Configuration

Solves #17659

Commits
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856e6f0 [FrameworkBundle] Add extra attribute for HttpClient Configuration

Author: OskarStark

http_client.rst

@@ -143,7 +143,8 @@ method to retrieve a new instance of the client with new default options::
 
     $this->client = $client->withOptions([
         'base_uri' => 'https://...',
-        'headers' => ['header-name' => 'header-value']
+        'headers' => ['header-name' => 'header-value'],
+        'extra' => ['my-key' => 'my-value'],
     ]);
 
 Some options are described in this guide:

reference/configuration/framework.rst

@@ -1031,6 +1031,18 @@ enabled
 Whether to enable the support for retry failed HTTP request or not.
 This setting is automatically set to true when one of the child settings is configured.
 
+extra
+.....
+
+**type**: ``array``
+
+Arbitrary additional data to pass to the HTTP client for further use.
+This can be particularly useful when :ref:`decorating an existing client <extensibility>`.
+
+.. versionadded:: 6.3
+
+    The ``extra`` option has been introduced in Symfony 6.3.
+
 .. _http-headers:
 
 headers