JamesMoss\Flywheel\NestedRepository::getFilesRecursive PHP Method

    protected function getFilesRecursive($dir, array &$result, $ext)
    {
        $extensionLength = strlen($ext) + 1;
        // one is for the dot!
        $files = scandir($dir);
        foreach ($files as $file) {
            if ($file === '.' || $file === '..') {
                continue;
            }
            if (is_dir($newDir = $dir . DIRECTORY_SEPARATOR . $file)) {
                $this->getFilesRecursive($newDir, $result, $ext);
                continue;
            }
            if (substr($file, -$extensionLength) !== '.' . $ext) {
                continue;
            }
            $result[] = $dir . DIRECTORY_SEPARATOR . $file;
        }
        return $result;
    }