PHP ftp_alloc() Function

The ftp_alloc() function is used to allocate space for a file to be uploaded to the FTP server. This function was introduced in PHP 5.

Syntax:

Parameter	Description	Is compulsory
ftp_stream	The link identifier of the FTP connection.	compulsory
file_size	The number of bytes to allocate.	compulsory
server_res	A variable to store server response(textual representation).	Optional

Returns

The ftp_alloc() function returns TRUE on success or FALSE on failure.

Important note: Many FTP servers do not support this command.

Example 1

<?php
$conn = ftp_connect("ftp.testftp.com") or die("Could not connect");
ftp_login($conn,"admin","ert456");
ftp_alloc($conn,"160",$response);
echo $response;
ftp_close($conn);
?>

Explanation

In the above example, by using ftp_alloc() function we allocate space for file in ftp server.

Example 2

<?php
$file = "myfile.txt";
$conn = ftp_connect("ftp.testftp.com") or die("Could not connect");
ftp_login($conn,"admin","ert456");
if (ftp_alloc($conn, filesize($file), $response))
{
echo "Space allocated on server.";
}
else
{
echo "Unable to allocate space. " . $response;
}
ftp_close($conn);
?>