PHP 统计目录下文件数和文件大小

1 1 /**
2 2  * 统计文件数和文件大小
3 3  */
4 4 private function getFileCacheCount($pathName)
5 5 {
6 6     $data = [
7 7         'num' => 0,
8 8         'size' => 0
9 9     ];
1010     if (file_exists($pathName)) {
1111         $dir = opendir($pathName);
1212         while(false !== ($file_name = readdir($dir))){
1313             if(!($file_name == "." || $file_name == "..")){
1414                 $fileName = $pathName . "/" . $file_name;
1515                 if(is_dir($fileName)){
1616                     $subData = $this->getFileCacheCount($fileName);
1717                     $data['size'] += $subData['size'];
1818                     $data['num'] += $subData['num'];
1919                 }else{
2020                     $data['size'] += filesize($fileName);
2121                     $data['num']++;
2222                 }
2323             }
2424         }
2525         closedir($dir);
2626     }
2727     return $data;
2828 }