[08-Aug-2013 23:41:27] PHP Warning:  fopen() [<a href='function.fopen'>function.fopen</a>]: Filename cannot be empty in /home/happ/public_html/templates/xxxx/footer.php on line 63
[08-Aug-2013 23:41:27] PHP Warning:  fclose(): supplied argument is not a valid stream resource in /home/happ/public_html/templates/xxxx/footer.php on line 65

<?php
63. $fp = fopen($cachefile, 'w+');
fwrite($fp, ob_get_contents());
65. fclose($fp);
ob_end_flush();
?>