Integration/TrustedFormIntegration.php
protected function getFingers(Lead $lead)
    {
        $fingers = [];
        //Trusted form "should" convert these...
        if ($lead->getEmail()) {
            $fingers['email'] = strtolower($lead->getEmail());
        }

        if ($lead->getPhone()) {
            $fingers['phone'] = preg_replace('/\D/', '', $lead->getPhone());
        }

        if ($lead->getMobile()) {
            $fingers['mobile'] = preg_replace('/\D/', '', $lead->getMobile());
        }

        return $fingers;
    }
protected function getFingers(Lead $lead)
    {
        $fingers = [];
        //Trusted form "should" convert these...
        if ($lead->getEmail()) {
            $fingers['email'] = strtolower($lead->getEmail());
        }

        if ($lead->getPhone()) {
            $fingers['phone'] = preg_replace('/\D/', '', $lead->getPhone());
        }

        if ($lead->getMobile()) {
            $fingers['mobile'] = preg_replace('/\D/', '', $lead->getMobile());
        }

        return $fingers;
    }
Creates an array of fingerprintable fields.

@param Lead $lead

@return array