Neos.Neos/Classes/Controller/Module/Administration/UsersController.php
protected function getAuthenticationProviders()
    {
        $providerNames = array_keys($this->authenticationManager->getProviders());
        sort($providerNames);
        return array_combine($providerNames, $providerNames);
    }
protected function getAuthenticationProviders()
    {
        $providerNames = array_keys($this->authenticationManager->getProviders());
        sort($providerNames);
        return array_combine($providerNames, $providerNames);
    }
protected function getAuthenticationProviders ( ) { $ providerNames = array_keys ( $ this -> authenticationManager -> getProviders ( ) ) ; sort ( $ providerNames ) ; return array_combine ( $ providerNames , $ providerNames ) ; }
Returns sorted list of auth providers by name.

@return array
Returns sorted list of auth providers by name .