(PHP Extension) FTP Non-Recursive Sync Directory (Download)

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Download files from the server that have filenames matchhing a pattern, and don't yet exist in a local directory.

Chilkat PHP Downloads PHP Extension for Windows, Linux, MacOS, Alpine Linux, Solaris

<?php

include("chilkat_9_5_0.php");

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

$ftp = new CkFtp2();

$ftp->put_Hostname('ftp.example.com');
$ftp->put_Username('myUsername');
$ftp->put_Password('myPassword');
$ftp->put_Port(21);
$ftp->put_AuthTls(true);

// 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 files are located.
// This step is only necessary if the files are not in the root directory
// of the FTP account.
$success = $ftp->ChangeRemoteDir('qa');
if ($success != true) {
    print $ftp->lastErrorText() . "\n";
    exit;
}

// Indicate that we only want to download files with filenames ending in ".txt"
$ftp->put_SyncMustMatch('*.txt');

// Modes for synchronization are as follows:
// mode=0: Download all files
// mode=1: Download all files that do not exist on the local filesystem.
// mode=2: Download newer or non-existant files.
// mode=3: Download only newer files. If a file does not already exist on the local filesystem, it is not downloaded from the server.
// mode=5: Download only missing files or files with size differences.
// mode=6: Same as mode 5, but also download newer files.
// mode=99: Do not download files, but instead delete remote files that do not exist locally.
$mode = 1;

// Download all files matching "*.txt" from the current remote ftp directory.
// The files are downloaded into c:/temp/qa_output
$success = $ftp->SyncLocalDir('c:/temp/qa_output',$mode);
if ($success != true) {
    print $ftp->lastErrorText() . "\n";
    exit;
}

// We can see what files were downloaded in the SyncedFiles property,
// which lists the files one per line.
print $ftp->syncedFiles() . "\n";

// Perhaps we wish to delete the files we just downloaded from the server..
$sb = new CkStringBuilder();
$sb->Append($ftp->syncedFiles());

$st = new CkStringTable();
$st->AppendFromSb($sb);

$numFiles = $st->get_Count();
$i = 0;

while ($i < $numFiles) {
    $remoteFilename = $st->stringAt($i);
    print 'Deleting ' . $remoteFilename . ' from the FTP server' . "\n";
    $success = $ftp->DeleteRemoteFile($remoteFilename);
    if ($success != true) {
        print $ftp->lastErrorText() . "\n";
        exit;
    }

    $i = $i + 1;
}

$success = $ftp->Disconnect();

?>