PHP Requires Chilkat v11.0.0+

Replace/Update a FIle in a .zip

See more Zip Examples

Demonstrates how to replace/update a file from a .zip. Note: This requires the entire .zip to be rewritten. Chilkat2 PHP

<?php

use Chilkat2\Zip;
use Chilkat2\ZipEntry;

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

// First prepare a .zip and write it..
$zip = new Zip();

$zip->NewZip('qa_output/abc.zip');

// Add some files..
$charset = 'utf-8';
$zip->AddString('a.txt', 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', $charset);
$zip->AddString('b.txt', 'bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb', $charset);
$zip->AddString('c.txt', 'cccccccccccccccccccccccccccccccccccc', $charset);

// Write to qa_output/abc.zip
// This .zip contains three files: a.txt, b.txt, and c.txt
$zip->WriteZipAndClose();

// -------------------------------------------------------------------
// Open abc.zip, replace the content of the "b.txt" entry with something else, and re-write.
$zip2 = new Zip();
$zip2->OpenZip('qa_output/abc.zip');

$entry = new ZipEntry();
if ($zip2->EntryOf('b.txt', $entry)) {
    $entry->ReplaceString('This is the new content.  bbbbbbbbbbbbbbbbbbbbbb', 'utf-8');
}

// Write the modified .zip back to "abc.zip"
$zip2->WriteZipAndClose();

echo "success.\n";