PHP ftp_nb_fput function

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ftp_nb_fput

(PHP 4 >= 4.3.0, PHP 5)

ftp_nb_fput() uploads the data from a file pointer to
a remote file on the FTP server.

The difference between this function and the ftp_fput()
is that this function uploads the file asynchronously, so your program can
perform other operations while the file is being uploaded.

The link identifier of the FTP connection.

The remote file path.

An open file pointer on the local file. Reading stops at end of file.

The transfer mode. Must be either FTP_ASCII or
FTP_BINARY.

Returns FTP_FAILED or FTP_FINISHED
or FTP_MOREDATA.

Example 1. ftp_nb_fput() example

 
$file = 'index.php';
 
$fp = fopen($file, 'r');
 
$conn_id = ftp_connect($ftp_server);
 
$login_result = ftp_login($conn_id, $ftp_user_name, $ftp_user_pass);
 
// Initate the upload
$ret = ftp_nb_fput($conn_id, $file, $fp, FTP_BINARY);
while ($ret == FTP_MOREDATA) {
 
   // Do whatever you want
   echo ".";
 
   // Continue upload...
   $ret = ftp_nb_continue($conn_id);
}
if ($ret != FTP_FINISHED) {
   echo "There was an error uploading the file...";
   exit(1);
}
 
fclose($fp);