(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)
ftp_nb_continue — Continues retrieving/sending a file (non-blocking)
Continues retrieving/sending a file non-blocking.
   Returns FTP_FAILED or FTP_FINISHED
   or FTP_MOREDATA.
  
| Version | Description | 
|---|---|
| 8.1.0 | The ftpparameter expects an FTP\Connection
  instance now; previously, a resource was expected. | 
Example #1 ftp_nb_continue() example
<?php
// Initiate the download
$ret = ftp_nb_get($ftp, "test", "README", FTP_BINARY);
while ($ret == FTP_MOREDATA) {
   // Continue downloading...
   $ret = ftp_nb_continue($ftp);
}
if ($ret != FTP_FINISHED) {
   echo "There was an error downloading the file...";
   exit(1);
}
?>