Sharing the two powerful PHP file transfer function using FTP and SFTP.
FTP
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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, $local_filename, FTP_ASCII)) {
die('Unable to upload file.');
}
return TRUE;
}
SFTP
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function sftpUpload($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;
}
Reference:
FTP Manual – http://php.net/manual/en/book.ftp.php
SFTP Manual – http://www.php.net/manual/en/ref.ssh2.php





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