Hide a page based on a PHP variable

Is it possible to hide a one or many pages by specifying a php variable?
ie hide page 2 if $page2 = no;

Have been searching for an example of this but haven't been able to find much.

Thanks in advance,
Olly

What kind of template is it ?

DOCX template.
So it wasn't as difficult as I thought.
I  just put this [onload;block=tbs:page;when [var. page2_hide]=0] and had the php variable $page2_hide= 1;

Only issue I have is it doesn't seem to work on the last page of the template. Do I have to close the page with something?

The doc says :

« Knowed bug for DOCX: the TBS tag using the alias tbs:page must not be placed in the last paragraph of the page when the page-break in done with an inserted page-break.
Use the page-break property of the paragraph instead, or move the TBS tag in another paragraph. »