0) {
/* this specific string can never be at the position 0 in a html-file,
as a quote or double quote must precede. If pos=0, the needle is not found. */
$candpage=substr($ndx_array[$i], $pos, strpos($ndx_array[$i], "\"", $pos) - $pos);
if (strpos($candpage, 'page='.$page) > 0) {$nextexit++;}
/* this specific string can never be at the position 0 in a html-file,
as pages.phtml? must precede. If strpos=0, the needle is not found. */
else { if ($nextexit == 0) {$prevpage = $candpage;}
else {$nextpage = $candpage; $nextexit++;}; };
} elseif ($nextexit == 1) {$nextexit++;
} elseif ($prevpage != '') {$prevpage = '';
}
$i++;
} while (($i