Predis\Command\GeospatialGeoRadius::filterArguments PHP Method

    protected function filterArguments(array $arguments)
    {
        if ($arguments && is_array(end($arguments))) {
            $options = array_change_key_case(array_pop($arguments), CASE_UPPER);
            if (isset($options['WITHCOORD']) && $options['WITHCOORD'] == true) {
                $arguments[] = 'WITHCOORD';
            }
            if (isset($options['WITHDIST']) && $options['WITHDIST'] == true) {
                $arguments[] = 'WITHDIST';
            }
            if (isset($options['WITHHASH']) && $options['WITHHASH'] == true) {
                $arguments[] = 'WITHHASH';
            }
            if (isset($options['COUNT'])) {
                $arguments[] = 'COUNT';
                $arguments[] = $options['COUNT'];
            }
            if (isset($options['SORT'])) {
                $arguments[] = strtoupper($options['SORT']);
            }
            if (isset($options['STORE'])) {
                $arguments[] = 'STORE';
                $arguments[] = $options['STORE'];
            }
            if (isset($options['STOREDIST'])) {
                $arguments[] = 'STOREDIST';
                $arguments[] = $options['STOREDIST'];
            }
        }
        return $arguments;
    }