Exception with possibility to use a formatted string

Exception.php

<?php
namespace Exception;

class Exception extends \Exception
{
    /**
     * @param string         $message
     * @param string|array   $arguments
     * @param int            $code
     * @param Exception|null $previous
     */
    public function __construct($message = '', $arguments, $code = 0, Exception $previous = null)
    {
        parent::__construct(vsprintf($message, $this->formatArguments($arguments)), $code, $previous);
    }

    private function formatArguments($arguments)
    {
        if (!is_array($arguments)) {
            $arguments = [$arguments];
        }

        foreach ($arguments as $key => &$value) {
            $value = $this->varToString($value);
        }

        return $arguments;
    }

    private function varToString($var)
    {
        if (is_object($var)) {
            return sprintf('Object(%s)', get_class($var));
        }

        if (is_array($var)) {
            $a = [];
            foreach ($var as $k => $v) {
                $a[] = sprintf('%s => %s', $k, $this->varToString($v));
            }

            return sprintf('Array(%s)', implode(', ', $a));
        }

        if (is_resource($var)) {
            return sprintf('Resource(%s)', get_resource_type($var));
        }

        if (null === $var) {
            return 'null';
        }

        if (false === $var) {
            return 'false';
        }

        if (true === $var) {
            return 'true';
        }

        return (string) $var;
    }
}