Provides a set of credentials that will always return an empty access token.
This is useful for APIs which do not require authentication, for local service emulators, and for testing.
CloneableInstantiable
| Methods |
| public fetchAuthToken(?callable $httpHandler = NULL) Fetches the auth token. In this case it returns an empty string.
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| public getCacheKey() Returns the cache key. In this case it returns a null value, disabling caching.
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| public getLastReceivedToken() Fetches the last received token. In this case, it returns the same empty string auth token.
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| Properties |
private $token = ['access_token' => '']
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