wordpress theme header for vbulletin 4 header and footer template

[jacksony]

Hi,

I have tried lots of ways to add header and footer which includes php code into the header and footer theme of vbulletin 4 but to no avail.

As I understand the style/template in vbulletin does not allow php codes, I have put these header php code into a seperate file as below:

"ob_start();
include('path/to/this/file/wordpress_header.php');
$wordpress_header = ob_get_contents();
ob_end_clean();"

And in the header template of vbulletins, I have added the following before all the code:
{vb:raw wordpress_header}

However, when i view the forum, it is not showing any header at all. Can someone advised me on the wordpress theme and vbulletin integration?

Thank you so much!!