(PHP 4, PHP 5)
ftp_fget — 从 FTP 服务器上下载一个文件并保存到本地一个已经打开的文件中
$ftp_stream
, resource $handle
, string $remote_file
, int $mode
[, int $resumepos
] )
ftp_fget() 函数用来下载由
remote_file 指定的文件，并写入到本地已经被打开的一个文件中。参数
handle 为本地已经打开的文件的句柄。传送模式参数 mode
必须是 (文本模式) FTP_ASCII 或 (二进制模式) FTP_BINARY 中的一个。
Note:
参数
resumepos仅适用于 PHP 4.3.0 以上版本.
成功时返回 TRUE， 或者在失败时返回 FALSE.
参见 ftp_get()， ftp_nb_get() 和 ftp_nb_fget()。
ftp_stream
The link identifier of the FTP connection.
handle
An open file pointer in which we store the data.
remote_file
The remote file path.
mode
The transfer mode. Must be either FTP_ASCII or
FTP_BINARY.
resumepos
The position in the remote file to start downloading from.
成功时返回 TRUE， 或者在失败时返回 FALSE.
Example #1 ftp_fget() example
<?php
// path to remote file
$remote_file = 'somefile.txt';
$local_file = 'localfile.txt';
// open some file to write to
$handle = fopen($local_file, 'w');
// set up basic connection
$conn_id = ftp_connect($ftp_server);
// login with username and password
$login_result = ftp_login($conn_id, $ftp_user_name, $ftp_user_pass);
// try to download $remote_file and save it to $handle
if (ftp_fget($conn_id, $handle, $remote_file, FTP_ASCII, 0)) {
echo "successfully written to $local_file\n";
} else {
echo "There was a problem while downloading $remote_file to $local_file\n";
}
// close the connection and the file handler
ftp_close($conn_id);
fclose($handle);
?>
| 版本 | 说明 |
|---|---|
| 4.3.0 |
resumepos was added.
|