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# ftp_nb_fget

(PHP 4 >= 4.3.0, PHP 5)

ftp_nb_fget -- Retrieves a file from the FTP server and writes it to an open file (non-blocking)

## Description

int ftp_nb_fget ( resource ftp_stream, resource handle, string remote_file, int mode [, int resumepos])

ftp_nb_fget() retrieves `remote_file` from the FTP server, and writes it to the given file pointer, `handle`. The transfer `mode` specified must be either `FTP_ASCII` or `FTP_BINARY`. The difference between this function and the ftp_fget() is that this function retrieves the file asynchronously, so your program can perform other operations while the file is being downloaded.

예 1. ftp_nb_fget() example

`<?php
// open some file for reading
$file = 'index.php';
$fp = fopen($file, 'w');
$conn_id = ftp_connect($ftp_server);
$login_result = ftp_login($conn_id, $ftp_user_name, $ftp_user_pass);
// Initate the download
$ret = ftp_nb_fget($conn_id, $fp, $file, FTP_BINARY);
while ($ret == FTP_MOREDATA) {
// Do whatever you want
echo ".";
// Continue downloading...
$ret = ftp_nb_continue($conn_id);
}
if ($ret != FTP_FINISHED) {
echo "There was an error downloading the file...";
exit(1);
}
// close filepointer
fclose($fp);
?>`

Returns `FTP_FAILED`, `FTP_FINISHED`, or `FTP_MOREDATA`.

See also ftp_nb_get(), ftp_nb_continue(), ftp_fget(), and ftp_get().

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ftp_nb_continue | 위로 | ftp_nb_fput