if (!isset($_GET['action'])) { $PDFs = $pdfViewer->getPDFList(); if (empty($PDFs)) { echo '<p>There are no PDFs available.</p>'; } else { echo '<p>Choose a file:</p>'; echo '<ul>'; foreach ($PDFs as $pdf) { $filename = basename($pdf); echo "<li><a href='?action=view&file={$filename}'>{$filename}</a></li>"; } echo '</ul>'; } } else { if ($_GET['action'] == 'view' && !empty($_GET['file'])) { $images = $pdfViewer->getImageList($_GET['file']); echo '<p>Viewing file ' . htmlentities($_GET['file']) . '</p>'; echo '<div class="row"><div class="small-12 medium-8 columns">'; echo '<div id="pdf">'; foreach ($images as $image) { $url = str_ireplace(__DIR__ . '/', '', $image); echo "<img src='{$url}' alt='pdf image'>"; } echo '</div>'; echo '</div>'; echo '<div class="small-12 medium-4 columns">'; echo '<div class="panel callout radius">'; echo '<h4>Supporting Information</h4>'; echo '<p>Feel free to have ancillary information here.</p>'; echo '</div>'; echo '<div class="panel radius">';