open('t.zip'); print_r($z); for ($i=0; $i<$z->numFiles; $i++) { echo "index: $i\n"; print_r($z->getCommentIndex($i)); echo "\n\n"; } echo "foobar/ " . $z->getCommentName('foobar/') . "\n"; echo "Archive comment: " . $z->getArchiveComment() . "\n"; $z->setCommentIndex(1, 'new comment idx 1'); $z->setCommentName('foobar/', 'new comment foobar/'); $z->setArchiveComment( 'new archive comment'); for ($i=0; $i<$z->numFiles; $i++) { echo "index: $i\n"; print_r($z->getCommentIndex($i)); echo "\n\n"; } echo $z->getCommentName('foobar/') . "\n"; // Get the original comment echo $z->getCommentName('foobar/', ZIPARCHIVE::FL_UNCHANGED) . "\n"; echo "Archive comment: " . $z->getArchiveComment() . "\n"; echo "Archive comment (original): " . $z->getArchiveComment(ZIPARCHIVE::FL_UNCHANGED) . "\n";