hi can someone help me im trying to install vb3 Postbit Style Option v1.0

but when i do evrything i get this error

Parse error: parse error, unexpected T_CONSTANT_ENCAPSED_STRING in /home/exforcen/domains/united-extreme-force.net/public_html/forum/includes/functions.php on line 2018


and this is my line

$debughtml .= " (<a href=\"" . htmlspecialchars_uni(SCRIPTPATH) . iif(strpos(SCRIPTPATH, '?') '?')'?')'?')=== false, '?', '?','?','?','&amp;') . "tempusage=1\">Template Usage</a>) (<a href=\"" . htmlspecialchars_uni(SCRIPTPATH) . iif(strpos(SCRIPTPATH, '?') '?')'?')'?')=== false, '?', '?','?','?','&amp;') . "explain=1\">Explain</a>)<br />\n";


any one see the problem in it ??