深入PHP FTP类的详解

ascii
* @param int 上传后的文件权限列表
* @return boolean
*/
public function upload($localpath, $remotepath, $mode = ''auto'', $permissions = NULL) {
if( ! $this->_isconn()) {
return FALSE;
}

if( ! file_exists($localpath)) {
if($this->debug === TRUE) {
$this->_error("ftp_no_source_file:".$localpath);
}
return FALSE;
}

if($mode == ''auto'') {
$ext = $this->_getext($localpath);
$mode = $this->_settype($ext);
}

$mode = ($mode == ''ascii'') ? FTP_ASCII : FTP_BINARY;

$result = @ftp_put($this->conn_id, $remotepath, $localpath, $mode);

if($result === FALSE) {
if($this->debug === TRUE) {
$this->_error("ftp_unable_to_upload:localpath[".$localpath."]/remotepath[".$remotepath."]");
}
return FALSE;
}

if( ! is_null($permissions)) {
$this->chmod($remotepath,(int)$permissions);
}

return TRUE;
}

/**
* 下载
*
* @access public
* @param string 远程目录标识(ftp)
* @param string 本地目录标识
* @param string 下载模式 auto || ascii
* @return boolean
*/
public function download($remotepath, $localpath, $mode = ''auto'') {
if( ! $this->_isconn()) {
return FALSE;
}

if($mode == ''auto'') {
$ext = $this->_getext($remotepath);
$mode = $this->_settype($ext);
}

$mode = ($mode == ''ascii'') ? FTP_ASCII : FTP_BINARY;

$result = @ftp_get($this->conn_id, $localpath, $remotepath, $mode);

if($result === FALSE) {
if($this->debug === TRUE) {
$this->_error("ftp_unable_to_download:localpath[".$localpath."]-remotepath[".$remotepath."]");
}
return FALSE;
}

return TRUE;
}

/**
* 重命名/移动
*
* @access public
* @param string 远程目录标识(ftp)
* @param string 新目录标识
* @param boolean 判断是重命名(FALSE)还是移动(TRUE)
* @return boolean
*/
public function rename($oldname, $newname, $move = FALSE) {
if( ! $this->_isconn()) {
return FALSE;
}

$result = @ftp_rename($this->conn_id, $oldname, $newname);

if($result === FALSE) {
if($this->debug === TRUE) {
$msg = ($move == FALSE) ? "ftp_unable_to_rename" : "ftp_unable_to_move";
$this->_error($msg);
}
return FALSE;
}

return TRUE;
}

/**
* 删除文件
*
* @access public
* @param string 文件标识(ftp)
* @return boolean
*/
public function delete_file($file) {
if( ! $this->_isconn()) {
return FALSE;
}

$result = @ftp_delete($this->conn_id, $file);

if($result === FALSE) {
if($this->debug === TRUE) {
$this->_error("ftp_unable_to_delete_file:file[".$file."]");
}
return FALSE;
}

return TRUE;
}

/**
* 删除文件夹
*
* @access public
* @param string 目录标识(ftp)
* @return boolean
*/
public function delete_dir($path) {
if( ! $this->_isconn()) {
return FALSE;
}

//对目录宏的''/''字符添加反斜杠''\''
$path = preg_replace("/(.+?)\/*$/", "\\1/", $path);

//获取目录文件列表
$filelist = $this->filelist($path);

if($filelist !== FALSE AND count($filelist) > 0) {
foreach($filelist as $item) {
//如果我们无法删除,那么就可能是一个文件夹
//所以我们