PHP Extension

Append Dir Tree to Existing Zip w/out Rewriting Entire Zip

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Demonstrates how to use the QuickAppend method to append a directory tree to an existing .zip archive. This method works by editing the existing .zip -- it does not rewrite or recompress the contents of the existing .zip. It is the fastest way to append additional files to a pre-existing large .zip archive. PHP Extension

<?php

include("chilkat.php");

$success = false;

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

$zip = new CkZip();

// The NewZip method only initializes the Zip object -- it does
// not create or write a .zip file.
$success = $zip->NewZip('notUsed.zip');
if ($success == false) {
    print $zip->lastErrorText() . "\n";
    exit;
}

// Add a references to all files in a directory tree.
// Note: this does not read or compress the file contents --
// it simply adds file references to the zip object.
$recurse = true;
$success = $zip->AppendFiles('c:/temp/abc123/*',$recurse);
if ($success == false) {
    print $zip->lastErrorText() . "\n";
    exit;
}

// Appends the contents of the zip object to the preExisting.zip
// zip archive.  preExisting.zip is opened, and the files
// referenced by this zip object are streamed in, compressed,
// and appended to the end of the archive.
$success = $zip->QuickAppend('preExisting.zip');
if ($success == false) {
    print $zip->lastErrorText() . "\n";
    exit;
}

print 'Success!' . "\n";

// Note: Additional files, directory trees, or in-memory data
// can be appended by calling AddFile, AppendFiles,
// AddString, AddBd, AddSb, etc. multiple times.
// Whatever files and/or in-memory data that are referenced by
// this zip object will be appended to preExisting.zip when
// QuickAppend is called

?>