BetterReflection\SourceLocator\Type\FileIteratorSourceLocator::getAggregatedSourceLocator PHP Метод

    private function getAggregatedSourceLocator()
    {
        return $this->aggregateSourceLocator ? $this->aggregateSourceLocator : new AggregateSourceLocator(array_values(array_filter(array_map(function (\SplFileInfo $item) {
            if (!($item->isFile() && pathinfo($item->getRealPath(), \PATHINFO_EXTENSION) === 'php')) {
                return null;
            }
            return new SingleFileSourceLocator($item->getRealPath());
        }, iterator_to_array($this->fileSystemIterator)))));
    }