从FTP获取自动下载文件的PHP类

/**   * 从FTP获取自动下载文件的PHP类   * @author yukar ( http://yukar.iteye.com )   */  class FtpClass{      private $ftpObj;      private $ftpHost = "****";    // 服务器地址      private $ftpPort = ****;            // 服务器端口      private $ftpUser = "****";        // 用户名      private $ftpPassword = "****";        // 口令      private $localBase = '/your/save/path'; //你存放的目录      function __construct($initData=array()){          if (isset($initData['ftpHost']) && $initData['ftpHost']){              $this->ftpHost = $initData['ftpHost'];          }          if (isset($initData['ftpPort']) && $initData['ftpPort']){              $this->ftpPort = $initData['ftpPort'];          }          if (isset($initData['ftpUser']) && $initData['ftpUser']){              $this->ftpUser = $initData['ftpUser'];          }          if (isset($initData['ftpPassword']) && $initData['ftpPassword']){              $this->ftpPassword = $initData['ftpPassword'];          }          if (isset($initData['localBase']) && $initData['localBase']){              $this->localBase = $initData['localBase'];          }      }            function ftp_connect(){          if(!$this->ftpObj){              $this->ftpObj = ftp_connect($this->ftpHost,$this->ftpPort);    // 连接ftp服务器              if($this->ftpObj) {                  if(ftp_login($this->ftpObj, $this->ftpUser, $this->ftpPassword)) {    // 登录                      return true;                  }else{                      return false;                  }              }else {                  return false;              }          }      }            function ftp_download_file($fileName) {          //获取FTP路径          $ftpPath = dirname($fileName) . "/";            //获取文件名            $selectFile = basename($fileName);              // 进入指定路径          if(@ftp_chdir($this->ftpObj,$ftpPath)) {                          //$localBase 如果不存在,新创建目录,务必确保 有创建权限              if(!is_dir($this->localBase)){                  mkdir($this->localBase, 0777);              }              $toFile = $this->localBase.$fileName;              if(ftp_get($this->ftpObj, $toFile, $selectFile, FTP_BINARY)) {    //下载指定的FTP文件到指定的本地文件                  return true;              }else {                  return false;              }          }else {              return false;          }      }            function ftp_quit(){          if($this->ftpObj){              ftp_quit($this->ftpObj);          }      }    }

$ftpObj = new FtpClass();  $ftpObj->ftp_connect();  $filename = '/config/config.sample.php';  $ftpObj->ftp_download_file($filename);  $ftpObj->ftp_quit();  exit();