Problems using PHP CURL option CURLOPT_READFUNCTION

07-01-2007, 4:11 PM

Hi!
I use Curl (libcurl 7.9.8 /OpenSSL 0.9.6g ) in PHP (Version 4.3.0 ) on
Windows 2000 Server platform (IIS web server). Everything is working
as expected.

I would like to transfer a file to ftp site using Curl.

As stated in the PHP Curl FAQ:
****************************
5.5 Does CURLOPT_FILE and CURLOPT_INFILE work on win32 ?
Yes, but you cannot open a FILE * and pass the pointer to a DLL and
have
that DLL use the FILE *. If you set CURLOPT_FILE you must also use
CURLOPT_WRITEFUNCTION as well to set a function that writes the
file, even
if that simply writes the data to the specified FILE*. Similarly, if
you use
CURLOPT_INFILE you must also specify CURLOPT_READFUNCTION.
****************************

I have no idea how the function specified in CURLOPT_READFUNCTION
option should look like !?!

My code is:
************************
<html><head><title>whatever</title></head>
<body>
<?php

// Here I should put file data that should be sent to FTP server ?!?
function read_body($ch, $string) {
$len = strlen($string);
return $len;
}

$post="POST";
$url = "ftp://user

assword@ftpserver.com:21/pub/test1.txt";

$filename = "D:\\test1.txt";
if (!$handle = fopen($filename, 'r')) {
print "Cannot open file ($filename)";
exit;
}

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_VERBOSE, 1 );
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_UPLOAD, 1);
curl_setopt($ch, CURLOPT_READFUNCTION, "read_body" );
curl_setopt($ch, CURLOPT_FTPASCII, 1);
curl_setopt($ch, CURLOPT_INFILE, $handle );
curl_setopt($ch, CURLOPT_INFILESIZE, filesize( $filename ) );

curl_exec($ch);
curl_close($ch);

fclose ($handle);

?>
</body></html>
************************
If I execute it, after a few minutes I receive a Timeout error message
on screen without any data

Please help me write this TXT file to FTP server using CURL in PHP on
Windows.

Best regards
Stefan

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