backup: live-stand vor erstem git-deployment

module/knowledgecenter/pdf.php

@@ -0,0 +1,16 @@
+<?php
+if (isset($_GET['file'])) {
+    $query = "SELECT * FROM filegallery_line WHERE id=".$_GET['file']."";
+    $result = @mysqli_query($GLOBALS['mysql_con'], $query);
+    $file = @mysqli_fetch_assoc($result)['filename'];
+    // echo $file;
+?>
+    <div id="overlayPDF">
+        <div id="closeOverlay">schließen</div>
+        <div id="overlayContentPDF">
+            <embed src="<?php echo "/userdata/".$file; ?>" type="application/pdf" width="100%" height="100vh">
+        </div>
+    </div>
+<?php
+}
+?>