Exception in PharData

/**
 * Trying to add tgz handling via the Phar extension which is built-in to PHP
 * However, we can't get a file listing of a zip file using PharData()
 * This zip archive /IS/ properly handled by both
 * Directory Iterator itself, or the zip_open() and related methods.
 */


# first make a zip archive by using wget to grab a creative commons blog post
wget --page-requisites --convert-links --no-host-directories --no-directories --directory-prefix=cc.org --adjust-extension http://creativecommons.org/weblog/entry/43316
zip --junk-paths cc.zip ./cc.org/*
rm -rf ./cc.org

# you should now have a zip file named 'cc.zip' with the following contents
43316.html
Peters_projection_blank.png
arrow-next.png
arrow-prev.png
cc.cc-27x30.png
cc.logo-126x30.png
cforms.js
creativecommons.css
facebook.png
identica.png
modernizr-2.0.6.min.js
pagenavi-css.css?ver=2.70.css
pagination.png
plugins.js
robots.txt
script.js
search-glass.png
style.css
twitter.png
websitebanner2014_teal.png
widget.css?ver=4.1.1.css



<?php

class Foo {

    function readArchive ($archiveFile, $flags, $alias, $format) {
      $reader = new PharData($archiveFile, $flags, $alias, $format);
      foreach ($reader as $file) {
          $filename = $file->getFilename();
          echo "$filename\n";
      }
    }
}


$flags=null;
$alias=null;
$format = Phar::ZIP;
$format=null;
$myArchive = realpath( __DIR__ . '/cc.zip');

$reader = new Foo;
$reader->readArchive($myArchive, $flags, $alias, $format);

// produces error
// PHP Fatal error:  Uncaught exception 'RuntimeException' with message 'Cannot access phar file entry '/pagenavi-css.css?ver=2.70.css' in archive


$it = new FilesystemIterator("phar://$myArchive");
foreach ($it as $fileinfo) {
    echo $fileinfo->getFilename() . "\n";
}

// works as expected, producing a complete list of the zip contents