PHP ftp_fget() 函数

示例

从 FTP 服务器下载文件，并将其保存到打开的本地文件中：

<?php
// connect and login to FTP server
$ftp_server = "ftp.example.com";
$ftp_conn = ftp_connect($ftp_server) or die("Could not connect to $ftp_server");
$login = ftp_login($ftp_conn, $ftp_username, $ftp_userpass);

$server_file = "somefile.txt";

// open local file to write to
$local_file = "local.txt";
$fp = fopen($local_file,"w");

// download server file and save it to open local file
if (ftp_fget($ftp_conn, $fp, $server_file, FTP_ASCII, 0))
{
echo "Successfully written to $local_file.";
}
else
{
echo "Error downloading $server_file.";
}

// close connection and file handler
ftp_close($ftp_conn);
fclose($fp);
?>

定义和用法

ftp_fget() 函数从 FTP 服务器获取（下载）文件，并将其保存到打开的本地文件中。

语法

ftp_fget( ftp_conn, open_file, server_file, mode, startpos);

参数值

Parameter	Description
ftp_conn	Required. Specifies the FTP connection to use
open_file	Required. Specifies an open local file in which we store the data
server_file	Required. Specifies the server file to download
mode	Optional. Specifies the transfer mode. Possible values: FTP_ASCII or FTP_BINARY
startpos	Optional. Specifies the position in the remote file to start downloading from

技术细节

返回值：	TRUE 成功，FALSE 失败
PHP 版本：	4+
PHP 变更日志：	PHP 7.3 - 的模式参数变为可选。 PHP 4.3 - 的起始位置添加了参数。

❮ PHP FTP 参考