Uploading files with SFTP

With the method above (involving sftp) you can use stream_copy_to_stream:

$resFile = fopen("ssh2.sftp://{$resSFTP}/".$csv_filename, 'w');
$srcFile = fopen("/home/myusername/".$csv_filename, 'r');
$writtenBytes = stream_copy_to_stream($srcFile, $resFile);
fclose($resFile);
fclose($srcFile);

You can also try using ssh2_scp_send

Personally, I prefer avoiding the PECL SSH2 extension. My preferred approach involves phpseclib, a pure PHP SFTP implementation. Here's an example with phpseclib 2.0 (requires composer):

<?php
require __DIR__ . '/vendor/autoload.php';

use phpseclib\Net\SFTP;

$sftp = new SFTP('www.domain.tld');
if (!$sftp->login('username', 'password')) {
    exit('Login Failed');
}

$sftp->put('remote.ext', 'local.ext', SFTP::SOURCE_LOCAL_FILE);
?>

Here's that same example with phpseclib 1.0:

<?php
include('Net/SFTP.php');

$sftp = new Net_SFTP('www.domain.tld');
if (!$sftp->login('username', 'password')) {
    exit('Login Failed');
}

$sftp->put('remote.ext', 'local.ext', NET_SFTP_LOCAL_FILE);
?>

One of the big things I like about phpseclib over the PECL extension is that it's portable. Maybe the PECL extension works on one version of Linux but not another. And on shared hosts it almost never works because it's hardly ever installed.

phpseclib is also, surprisingly, faster. And if you need confirmation that the file uploaded you can use phpseclib's built-in logging as proof.

For me this worked:

$connection = ssh2_connect($server, $serverPort);

if(ssh2_auth_password($connection, $serverUser, $serverPassword)){
    echo "connected\n";
    ssh2_scp_send($connection, "/path/to/local/".$file, "/path/to/remote/".$file);
    echo "done\n";
} else {
    echo "connection failed\n";
}

I had to install libssh2-php first, though:

sudo apt-get install libssh2-php

For simple Document of phpseclib, a pure PHP SFTP implementation.

Refer Following Link:

Uploading files over SFTP using PHP

Folder Structure:

Main Folder->
    my-files(Contain File Which Transfer To Remote Server)
    phpseclib0.3.0
    sftp.php