Restart/Resume FTP Download

Resume downloading a file from an FTP server.

Download 32-bit Chilkat FTP2 ActiveX (.msi)

Download All 32-bit Chilkat ActiveX Components (.zip)

Download All 64-bit Chilkat ActiveX Components (.zip)

<?php

$ftp = new COM("Chilkat.Ftp2");

//  Any string unlocks the component for the 1st 30-days.
$success = $ftp->UnlockComponent('Anything for 30-day trial');
if ($success != true) {
    print $ftp->lastErrorText() . "\n";
    exit;
}

$ftp->Hostname = 'ftp.chilkatsoft.com';
$ftp->Username = '****';
$ftp->Password = '****';

//  Connect and login to the FTP server.
$success = $ftp->Connect();
if ($success != true) {
    print $ftp->lastErrorText() . "\n";
    exit;
}

//  Change to the remote directory where the file is located.
//  This step is only necessary if the file is not in the root directory
//  for the FTP account.
$success = $ftp->ChangeRemoteDir('temp');
if ($success != true) {
    print $ftp->lastErrorText() . "\n";
    exit;
}

//  To resume a download, it is assumed that the partial file
//  is already present on the local filesystem.
//  You only need to set the RestartNext property to resume
//  the download.  The Chilkat FTP component sets the resume
//  point by getting the existing size of the target (local) file.
$ftp->RestartNext = true;

$localFilename = 'big.zip';
$remoteFilename = 'big.zip';

//  Resume downloading...
$success = $ftp->GetFile($remoteFilename,$localFilename);
if ($success != true) {
    print $ftp->lastErrorText() . "\n";
    exit;
}

$ftp->Disconnect();

print 'File Downloaded!' . "\n";
?>