(PHP 5 >= 5.2.0, PHP 7, PECL zip >= 1.4.0)
ZipArchive::setArchiveComment — Set the comment of a ZIP archive
$comment
)Set the comment of a ZIP archive.
commentThe contents of the comment.
Returns TRUE on success or FALSE on failure.
Example #1 Create an archive and set a comment
<?php
$zip = new ZipArchive;
$res = $zip->open('test.zip', ZipArchive::CREATE);
if ($res === TRUE) {
$zip->addFromString('test.txt', 'file content goes here');
$zip->setArchiveComment('new archive comment');
$zip->close();
echo 'ok';
} else {
echo 'failed';
}
?>
Please note that ZIP archives do not support unicode encodings like UTF-8, so multi-byte characters cannot be shown in standard ZIP viewers like WinRAR or 7-zip. However, the text will stored as-is, so it is at least possible to display UTF-8 comments in your own desktop or web applications. If you want to test with PHP and output in a browser, don't forget to set page charset to UTF-8 too:
header("Content-Type: text/plain; charset=utf-8");
