What Is This Unexpected T STRING Syntax Error?

What is the unexpected T_STRING syntax error in the following line of PHP

[bfffth]

I got the following error message, which doesn't allow the page to show:

Parse error: syntax error, unexpected T_STRING

...on this line:

<? php arl_subtraction_archives_posts() ;?> <? php arl_subtraction_archives_categories() where ;?>

Can anyone help tell me what is the error in this line?

Thanks
PK

[d40sithui]

Probably the misplaced "where".

<? php arl_subtraction_archives_posts() ;?> <? php arl_subtraction_archives_categories() where ;?>