PHP SDK: Migrating search from v2 to v3

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RE: Migrate Search from v2 to v3

I have a codebase which is using the Drupal 7 auth0 module, which is stuck on the Auth0 PHP SDK version 5.0 because there have been no updates to this version of the module.

While I don’t think the module uses the search API, we have other code that uses the search API.

Questions:

  1. Is it just the v2 search that is being deprecated or will all calls to /api/v2 endpoints be deprecated?

  2. Can I still use the 5.0 SDK, and if so, how would I integrate the search_engine=v3 into how we are setting up our request object?

    // Instantiate an Authentication object to use to fetch token.
    $auth0Api = new Authentication($domain, $client_id, $client_secret);

    // Get an access token with client credentials grant.
    $access_token = $auth0Api->client_credentials([
    ‘audience’ => ‘https://’ . $domain . ‘/api/v2/’,
    ]);

    // Instantiate an Auth0 Management object access the create() function.
    $manage_auth0Api = new Management($access_token[‘access_token’], $domain);