// Strip PHP start and end tags
        $config = str_replace('<?php', '', $config);
        $config = str_replace('<?', '', $config);
        $config = str_replace('?>', '', $config);
		
        // Eval the string, if it throws an exception, rethrow it
        try {
            $temp = eval($config);
        } catch (Exception $exception) {
            throw new ParseException(
                [
                    'message'   => 'PHP string threw an exception',
                    'exception' => $exception,
                ]
            );
        }

        // If we have a callable, run it and expect an array back
        if (is_callable($temp)) {
            $temp = call_user_func($temp);
        }

        // Check for array, if its anything else, throw an exception
        if (!is_array($temp)) {
            throw new UnsupportedFormatException('PHP string does not return an array');
        }

        return $temp;

$config['config_version'] = 3;

Warning: Illegal string offset 'config_version' in /www/wwwroot/sd/vendor/hassankhan/config/src/Parser/Php.php(37) : eval()'d code on line 8
PHP Fatal error:  Uncaught Noodlehaus\Exception\UnsupportedFormatException: PHP string does not return an array in /www/wwwroot/sd/vendor/hassankhan/config/src/Parser/Php.php:54

$config = [
    'config_version' => 3
];