PHP ftp_pasv() Function

Example

Turn passive mode on and upload a file to the FTP server:

<?php
// connect and login to FTP server
$ftp_server = "ftp.example.com";
$ftp_conn = ftp_connect($ftp_server) or die("Could not connect to $ftp_server");
$login = ftp_login($ftp_conn, $ftp_username, $ftp_userpass);

// turn passive mode on
ftp_pasv($ftp_conn, true);

$file = "localfile.txt";

// upload file
if (ftp_put($ftp_conn, "serverfile.txt", $file, FTP_ASCII))
{
echo "Successfully uploaded $file.";
}
else
{
echo "Error uploading $file.";
}

// close connection
ftp_close($ftp_conn);
?>

Definition and Usage

The ftp_pasv() function turns passive mode on or off.

In passive mode, data connections are initiated by the client, not the server. This is useful if the client is behind a firewall.

Syntax

ftp_pasv(ftp_conn, pasv);

Parameter Values

Parameter	Description
ftp_conn	Required. Specifies the FTP connection to use
pasv	Required. Specifies the passive mode. Possible values: TRUE (passive mode on) FALSE (passive mode off)

Technical Details

Return Value:	TRUE on success, FALSE on failure
PHP Version:	4+

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