public function apply(PHPUnit_Util_Metrics $metrics) { $npath = $metrics->getNPath(); if ($npath >= $this->threshold) { return sprintf("The NPath complexity is %d.\n" . 'The NPath complexity of a function or method is the number of ' . 'acyclic execution paths through that method. A threshold of 200 ' . 'is generally considered the point where measures should be taken ' . 'to reduce complexity.', $npath); } }