PHP FTP operation class (upload, copy, move, delete files/create directories)

/**
* Function: FTP operations (copy, move, delete files/create directories)
* Time: 2006/5/9
* Author: Xinran Suifeng
* QQ: 276624915
*/
class class_ftp
{
 public $off; // Return operation status (success/failure)
 public $conn_id; // FTP connection
 /**
 * Method: FTP connection
 * @FTP_HOST -- FTP host
 * @FTP_PORT -- Port
 * @FTP_USER -- Username
 * @FTP_PASS -- Password
* /
 function __construct($FTP_HOST,$FTP_PORT,$FTP_USER,$FTP_PASS)
 {
 $this->conn_id = @ftp_connect($FTP_HOST,$FTP_PORT) or die("FTP server connection failed");
 @ftp_login ($this->conn_id,$FTP_USER,$FTP_PASS) or die("FTP server login failed");
 @ftp_pasv($this->conn_id,1); // Turn on passive simulation
 }
 /**
 * Method: Upload file
 * @path -- local path
 * @newpath -- upload path
 * @type -- if the target directory does not exist, create a new one
*/
 function up_file($path,$newpath,$type=true)
 {
 if($type) $this->dir_mkdirs($newpath);
 $this->off = @ftp_put( $this->conn_id,$newpath,$path,FTP_BINARY);
 if(!$this->off) echo "File upload failed, please check whether the permissions and path are correct!";
 }
 /**
 * Method: Move files
 * @path -- Original path
 * @newpath -- New path
 * @type -- If the target directory does not exist, create it
*/
 function move_file($path,$newpath,$type=true)
 {
 if($type) $this->dir_mkdirs($newpath);
 $this->off = @ftp_rename($ this->conn_id,$path,$newpath);
 if(!$this->off) echo "File move failed, please check whether the permissions and original path are correct!";
 }
 /**
 * Method: Copy files
 * Note: Since FTP does not have a copy command, the alternative operation of this method is: download and then upload to a new path
 * @path -- original path
 * @newpath -- new path
 * @type -- If the target directory does not exist, create it
 */
 function copy_file($path,$newpath,$type=true)
 {
 $downpath = "c:/tmp.dat";
 $this->off = @ftp_get($this->conn_id, $downpath,$path,FTP_BINARY);// Download
 if(!$this->off) echo "File copy failed, please check whether the permissions and original path are correct! ";
 $this->up_file($downpath,$newpath,$type);
 }
 /**
 * Method: delete file
 * @path -- path
*/
 function del_file($path)
 {
 $this->off = @ftp_delete ($this->conn_id,$path);
 if(!$this->off) echo "File deletion failed, please check whether the permissions and path are correct! ";
 }
 /**
 * Method: Generate directory
 * @path -- path
*/
 function dir_mkdirs($path)
 {
 $path_arr = explode('/',$path); // Get directory array
 $file_name = array_pop($path_arr) ; // Pop up the file name
 $path_div = count($path_arr); // Get the number of layers
 foreach($path_arr as $val) // Create a directory
 {
 if(@ftp_chdir($this->conn_id,$ val) == FALSE)
 {
 $tmp = @ftp_mkdir($this->conn_id,$val);
 if($tmp == FALSE)
 {
 echo "Directory creation failed, please check the permissions and path correct! ";
 exit;
 }
 @ftp_chdir($this->conn_id,$val);
 }
 }
 for($i=1;$i=$path_div;$i++) // Fall back to root
 {
 @ftp_cdup($this->conn_id);
 }
 }
 /**
 *Method: Close FTP connection
*/
 function close()
 {
 @ftp_close($this->conn_id);
 }
}/ / class class_ftp end
/************************************** test************* ************************
$ftp = new class_ftp('192.168.100.143',21,'user','pwd'); // Open FTP Connect
//$ftp->up_file('aa.txt','a/b/c/cc.txt'); // Upload files
//$ftp->move_file('a/b/c /cc.txt','a/cc.txt'); // Move files
//$ftp->copy_file('a/cc.txt','a/b/dd.txt'); // Copy file
//$ftp->del_file('a/b/dd.txt'); // Delete file
$ftp->close(); // Close FTP connection
******* *************************************************** **********************/
?>

PHP, FTP