Probably better to do it like this:
HTML Code:
<if condition="THIS_SCRIPT == 'forumdisplay' AND in_array($forum['forumid'], array(16,45,46))">
<phrase 1=$LMR_date>$vbphrase[tug_lmr_date]</phrase><br />
</if>
or
HTML Code:
<if condition="THIS_SCRIPT == 'forumdisplay' AND in_array($forumid, array(16,45,46))">
<phrase 1=$LMR_date>$vbphrase[tug_lmr_date]</phrase><br />
</if>