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@sikofitt
Last active February 7, 2021 04:35
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Working example of the pecl ssh2 extension copying files to remote.
<?php declare(strict_types=1);
// Tested on
// PHP 7.4.14 (cli) (built: Jan 5 2021 15:12:29) ( ZTS Visual C++ 2017 x64 )
// Windows 10 Pro
// pecl ssh2 v1.2
// Remote server
// Gentoo GNU/Linux Base System release 2.7
error_reporting(E_ALL);
ini_set('display_errors', '1');
file_put_contents(__DIR__.'/sftp.test', 'worked!');
$host = 'your.remote.ip.address';
$port = 22;
$connection = ssh2_connect($host, $port); // let libssh2 figure it out.
if(!is_resource($connection)) {
throw new Exception('Connection failed.');
}
// Without the __DIR__ php will just try to get 'id_rsa' and will fail.
// if your keys are elsewhere __DIR__ should be changed to C:\path\to\your\files
$privateKey = __DIR__.'\your_private_key_file'; // id_rsa
$publicKey = __DIR__.'\your_public_key_file.pub'; // id_rsa.pub
$username = 'your_username';
$passphrase = ''; // set this to passphrase if you have one.
if(false === ssh2_auth_pubkey_file($connection, $username, $publicKey, $privateKey, $passphrase)) {
ssh2_disconnect($connection);
throw new Exception('Authentication failed.');
}
$sftp = ssh2_sftp($connection);
$streamUrl = sprintf("ssh2.sftp://%d", (int)$sftp);
$path = sprintf('%s/path/to/the/directory', $streamUrl);
$file = sprintf('%s/sftp.test', $path);
$localFile = __DIR__ . '/sftp.test';
if(!file_exists($file)) {
if(true === copy($localFile, $file)) {
print 'Successfully copied ' . $localFile . PHP_EOL;
}
} else {
print 'File exists' . PHP_EOL;
}
// using ssh2_scp_send, if all you need to do is upload a file.
// There doesn't seem to be another way to check if the file exists
// using just the ssh2 resource without using the ssh2.sftp stream wrapper.
// If you want to check if the file exists use ssh2_sftp_stat() it will
// return false if the file does not exist.
$file2 = '/path/to/the/file/you/want/to/write/sftp.test2';
$res = ssh2_scp_send($connection, $localFile, $file2);
if($res) {
print 'Sent file ' . $file . PHP_EOL;
} else {
print 'There was an error copying file to remote.' . PHP_EOL;
}
// List contents of remote directory
$i = new \RecursiveDirectoryIterator($path, \RecursiveDirectoryIterator::SKIP_DOTS);
while($i->valid()) {
print $i->getPathname();
if($i->isDir()) {
print $i->getPath() . PHP_EOL;
} else {
print $i->getFilename() . PHP_EOL;
}
$i->next();
}
// shutdown
ssh2_disconnect($sft); // If you don't unset $sftp ssh2_disconnect will throw a segfault.
ssh2_disconnect($connection);
@sikofitt
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sikofitt commented Feb 2, 2021

No worries!
Before php 5.6 It was standard to use them. Since then they have suggested not using them unless you have mixed content.

I Hope this helps!

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