<br /> <b>Warning</b>: Undefined array key "file" in <b>/www/wwwroot/test/index.php</b> on line <b>35</b><br /> <br /> <b>Warning</b>: file_get_contents(test.tex): Failed to open stream: No such file or directory in <b>/www/wwwroot/test/index.php</b> on line <b>37</b><br />