//遍歷子文件夾和文件夾的內容 并且計算出文件的多少//一個demo 引號替換下function scan($dir){  static $i=0;  static $d=0;  $dirArr = scandir('.');  foreach($dirArr as $v){   if($v!='.' && $v!='..'){     $dirname = $dir."//".$v; //子文件夾的目錄地址    if(is_dir($dirname)){   $count['dir'] = ++$d;     scan($dirname);    }    $count['file'] = ++$i;   }  }  return $count;}$count = scan('.');echo "一共文件{$count['file']}個,文件夾 {$count['dir']}個 ";

//針對當前目錄的情況下$dir = scandir('.');foreach($dir as $v){  $base = strrchr($v,'.');  if($v!='.'){  if($v == '..'){   $type ='上級目錄';  }  //類型不一一舉例  if(is_dir($v)){   $type ='目錄';  }elseif($base== '.jpg' || $base=='.gif'){   $type =' 圖片文件';  }elseif($base== '.rar' || $base=='.zip'){   $type =' 壓縮文件';  }else{   $type="文件";  }  }}