PHP ActiveX

FTP Automatic Post-Connect Commands

Demonstrates the AutoFeat, AutoSyst, AutoOptsUtf8, and AutoXcrc properties, which control commands Chilkat issues automatically around connecting and transferring.

Background: Chilkat normally probes and adapts to a server on its own: AutoFeat discovers capabilities with FEAT, AutoSyst learns the OS type to parse legacy listings, and AutoOptsUtf8 enables UTF-8 filenames when the server advertises it. These are on by default and rarely worth changing. AutoXcrc is the exception worth enabling deliberately — it verifies each upload with the server's XCRC checksum, catching corruption automatically where supported.

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PHP ActiveX

<?php

$success = 0;

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

$ftp->Hostname = 'ftp.example.com';
$ftp->Username = 'myFtpLogin';

//  These auto-* properties control commands Chilkat sends automatically after connecting.  They
//  are on/off by default as noted, and are rarely changed.

//  AutoFeat (default 1): automatically send FEAT to discover server capabilities.
$ftp->AutoFeat = 1;

//  AutoSyst (default 1): automatically send SYST after login to learn the server OS type.
$ftp->AutoSyst = 1;

//  AutoOptsUtf8 (default 1): send OPTS UTF8 ON when the FEAT response advertises UTF8.
$ftp->AutoOptsUtf8 = 1;

//  AutoXcrc (default 0): request an XCRC checksum after each upload and treat a mismatch as
//  a failure, giving automatic post-upload verification where the server supports XCRC.
$ftp->AutoXcrc = 1;

//  Normally you would not hard-code the password in source.  You should instead obtain it
//  from an interactive prompt, environment variable, or a secrets vault.
$ftp->Password = 'myPassword';

$success = $ftp->Connect();
if ($success == 0) {
    print $ftp->LastErrorText . "\n";
    exit;
}

print 'Connected with the configured automatic features.' . "\n";

$success = $ftp->Disconnect();
if ($success == 0) {
    print $ftp->LastErrorText . "\n";
    exit;
}


?>