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copied!<p>Update: After some discussion in chat we found out, that <code>$_SESSION['images']</code> contains <code>http://</code> urls but <code>ZipArchive</code> itself does not support adding files from remote sources. If you want to add remote images you'll have to download them before. So we've changed the <code>addFile()</code> related part to:</p> <pre><code>//add the files foreach($images as $file) { $tmpname = tempnam(sys_get_temp_dir(), 'test'); file_put_contents($tmpname, file_get_contents($file)); $zip->addFile($tmpname, basename($file)); unlink($tmpname); } </code></pre> <hr> <p>Also there is is a logic error, or better, a typo. Replace </p> <pre><code>$zzz = $zip->open($destination, ZipArchive::CREATE); if($zzz !== true) { echo "created archive<br />"; } ... </code></pre> <p>by </p> <pre><code>$zzz = $zip->open($destination, ZipArchive::CREATE); if($zzz === true) { echo "created archive<br />"; } ... </code></pre> <hr> <p>Further note, that the zip is created in memory and will be written to disk not until calling <a href="http://de1.php.net/manual/en/ziparchive.close.php" rel="nofollow"><code>ZipArchive::close()</code></a>. Check the first comment on the manual page:</p> <blockquote> <p>If you have created a zip file and added a file to it without error, yet the ZipArchive::close call fails (with ER_TMPOPEN: "Failure to create temporary file") and the zip file is not created, check to see if your ZipArchive::open call specifies a pathname containing nonexisting directories. If you expect a containing hierarchy of one or more directories, you must create them yourself before using using ZipArchive. You can write a simple function to recurse using dirname to find each parent directory, creating those that don't exist by using mkdir when leaving the recursion.</p> </blockquote>

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