Pimcore\Model\Object\ClassDefinition\Data\Password::verifyPassword PHP Method

    public function verifyPassword($password, Object\AbstractObject $object, $updateHash = true)
    {
        $getter = 'get' . ucfirst($this->getName());
        $setter = 'set' . ucfirst($this->getName());
        $objectHash = $object->{$getter}();
        if (null === $objectHash || empty($objectHash)) {
            return false;
        }
        $result = false;
        if ($this->getAlgorithm() === static::HASH_FUNCTION_PASSWORD_HASH) {
            $result = true === password_verify($password, $objectHash);
            if ($result && $updateHash) {
                // password needs rehash (e.g PASSWORD_DEFAULT changed to a stronger algorithm)
                if (true === password_needs_rehash($objectHash, PASSWORD_DEFAULT)) {
                    $newHash = $this->calculateHash($password);
                    $object->{$setter}($newHash);
                    $object->save();
                }
            }
        } else {
            $hash = $this->calculateHash($password);
            $result = $hash === $objectHash;
        }
        return $result;
    }