PHP递归复制整个文件夹

<?php
/*
 * 文件夹复制类， 
 */
class CopyFile
{
public $fromFile;
public $toFile;
/*
 * $fromFile  要复制谁
 * $toFile    复制到那
 */
function copyFile($fromFile,$toFile){
 $this->CreateFolder($toFile);
 $folder1=opendir($fromFile);
 while($f1=readdir($folder1)){
  if($f1!="." && $f1!=".."){
   $path2="{$fromFile}/{$f1}";
   if(is_file($path2)){ 
    $file = $path2;
    $newfile = "{$toFile}/{$f1}";
    copy($file, $newfile);
   }elseif(is_dir($path2)){
    $toFiles = $toFile.'/'.$f1;
    $this->copyFile($path2,$toFiles);
   }
  }
 }
}
/*
 * 递归创建文件夹
 */
function CreateFolder($dir, $mode = 0777){
 if (is_dir($dir) || @mkdir($dir,$mode)){
  return true;
 } 
    if (!$this->CreateFolder(dirname($dir),$mode)){
     return false;
    }
 return @mkdir($dir, $mode);
}
}
//使用方法
//引入本类，直接new copyFile('要复制谁','复制到那');
//$file = new CopyFile('aaaa/aaaaa','bbbbb/bbbb');
?>