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Php ftp_nb_continue () function


Definition and usage

The ftp_nb_continue () function continuously fetches /sends files. (Non-blocking)

This function returns one of the following values:

  • FTP_FAILED (send /get failed)
  • FTP_FINISHED (send /get successfully)
  • FTP_MOREDATA (Send /Get is in progress)

This function sends /retrieves files asynchronously. This means that your program can perform other operations while the file is downloading.

Syntax

ftp_nb_continue (ftp_connection)

parameters description
ftp_connection Required. Specifies the FTP connection to use.


Example

<?php
$source = "source.txt";
$target = fopen("target.txt", "w");

$conn = ftp_connect("ftp.testftp.com") or die("Could not connect");
ftp_login($conn,"admin","ert456");

$status = ftp_nb_fget($conn,$source,$target,FTP_ASCII);

while ($status == FTP_MOREDATA)
{
$status = ftp_nb_continue($conn);
}

if ($status != FTP_FINISHED)
{
echo "Download error";
}

ftp_close($conn);
?>