dumper.php
protected function describeGenericDifference($first, $second)
    {
        return sprintf(
            'as [%s] does not match [%s]', $this->describeValue($first), $this->describeValue($second)
        );
    }
protected function describeGenericDifference($first, $second)
    {
        return sprintf(
            'as [%s] does not match [%s]', $this->describeValue($first), $this->describeValue($second)
        );
    }
Creates a human readable description of the difference between two variables.
The minimal version.

@param null $first          First value.
@param mixed $second        Value to compare with.

@return string              Human readable description.