XmlReporter::getIndent PHP Метод

Calculates the pretty printing indent level from the current level of nesting.

protected getIndent ( integer $offset ) : string
$offset	integer	Extra indenting level.
Результат	string	Leading space.

    protected function getIndent($offset = 0)
    {
        return str_repeat($this->indent, count($this->getTestList()) + $offset);
    }

XmlReporter