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# ftp_nb_fput

(PHP 4 >= 4.3.0, PHP 5)

ftp_nb_fput -- Stores a file from an open file to the FTP server (non-blocking)

## 说明

int ftp_nb_fput ( resource ftp_stream, string remote_file, resource handle, int mode [, int startpos] )

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.

## 参数

ftp_stream

  The link identifier of the FTP connection.

remote_file

  The remote file path.

handle

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

mode

  The transfer mode. Must be either `FTP_ASCII` or `FTP_BINARY`.

startpos

## 返回值

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

## 范例

例子 1. ftp_nb_fput() example

`<?php
$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);
?>`

## 参见

ftp_nb_put()
ftp_nb_continue()
ftp_put()
ftp_fput()

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