Basho\Riak\Object::validateIndexNameAndValue PHP Метод

    private function validateIndexNameAndValue($indexName, $value)
    {
        if (!is_scalar($value)) {
            throw new \InvalidArgumentException("Invalid index type for '" . $indexName . "'index. Expecting '*_int' for an integer index, or '*_bin' for a string index.");
        }
        $isIntIndex = SecondaryIndex::isIntIndex($indexName);
        $isStringIndex = SecondaryIndex::isStringIndex($indexName);
        if (!$isIntIndex && !$isStringIndex) {
            throw new \InvalidArgumentException("Invalid index type for '" . $indexName . "'index. Expecting '*_int' for an integer index, or '*_bin' for a string index.");
        }
        if ($isIntIndex && !is_int($value)) {
            throw new \InvalidArgumentException("Invalid type for '" . $indexName . "'index. Expecting 'integer', value was '" . gettype($value) . "''");
        }
        if ($isStringIndex && !is_string($value)) {
            throw new \InvalidArgumentException("Invalid type for '" . $indexName . "'index. Expecting 'string', value was '" . gettype($value) . "''");
        }
    }