directories()->depth(0)->notPath(self::DO_NOT_INCLUDE_PATHS_REGEX)->in($projectDirectory)->sortByName(); /** @var SplFileInfo[] $rootDirectoryFileInfos */ $rootDirectoryFileInfos = \iterator_to_array($rootDirectoryFinder); $projectDirectories = []; foreach ($rootDirectoryFileInfos as $rootDirectoryFileInfo) { if (!$this->hasDirectoryFileInfoPhpFiles($rootDirectoryFileInfo)) { continue; } $projectDirectories[] = $rootDirectoryFileInfo->getRelativePathname(); } return $projectDirectories; } private function hasDirectoryFileInfoPhpFiles(SplFileInfo $rootDirectoryFileInfo) : bool { // is directory with PHP files? $phpFilesCount = Finder::create()->files()->in($rootDirectoryFileInfo->getPathname())->name('*.php')->count(); return $phpFilesCount !== 0; } }