PHP FTP/SFTP Function

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function ftpUpload($ftp_host, $ftp_username, $ftp_password, $ftp_path, $filename) {

	//Connect to FTP host

	if (!$ftp = ftp_connect($ftp_host)) {
		die ('Unable to connect to the specified FTP.');
	}

	//Login to FTP

	if (!$ftp, $ftp_username, $ftp_password)) {
		die ('Unable to login to the FTP Server.');
	}

	//local file name destination or new filename

	$local_filename = $filename;

	//Upload file to ftp host.

	if (!ftp_put($ftp, $filename, $local_filename, FTP_ASCII)) {
		die('Unable to upload file.');
	}

return TRUE;

}

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function sftpUpload($ftp_host, $ftp_username, $ftp_password, $ftp_path, $filename) {

	if (! function_exists('ssh2_connect')) {
		die('function is not available.');
	}

	//Connect to SFTP host

	$connection = ssh2_connect($loc_ftp_host, $port=22);
	if (! $connection)
		die('Could not connect to $ftp_host on port $port.');

	//Login to SFTP host

	if (! ssh2_auth_password($connection, $loc_ftp_username, $loc_ftp_password))
		die('Could not authenticate with username and password.');

	$sftp = ssh2_sftp($connection);

	if (! $sftp) die('Could not initialize sftp subsystem.');

	//Create or open file

	$stream = fopen('ssh2.sftp://'.$sftp.$ftp_path.'/'.$filename, 'w');

	if (! $stream) die('Could not open file: $filename');

	$local_filename = $filename;

	$data_to_send = file_get_contents($local_filename);

	if ($data_to_send === false)
		die('Could not open local file: $local_filename.');

	if (@fwrite($stream, $data_to_send) === false)
	    die('Could not send data from file: $local_filename.');

	@fclose($stream);

	return TRUE;

}