哪位大神帮改下代码

<?php
define('IN_PHPMPS', true);
require dirname(__FILE__) . '/include/common.php'; $keyword = !empty($_REQUEST['keywords']) ? trim($_REQUEST['keywords']) : '';
$areaid = !empty($_REQUEST['area']) ? intval($_REQUEST['area']) : 0;
$catid = !empty($_REQUEST['id']) ? intval($_REQUEST['id']) : 0; if(!empty($keyword)) {
$arr = array();
$keywords = 'AND (';
$keywords .= "(title LIKE '%$keyword%' OR keywords LIKE '%$keyword%' OR content LIKE '%$keyword%')";
$keywords .= ')';
}
$cats = get_cat_children($catid);
$category = $catid ? " AND catid IN ($cats)": '';
$areas = get_area_children($areaid);
$area = $areaid ? " AND areaid IN ($areas)" : ''; $cus_in = '';
$cus_num = 0;
$cus_arg = array();
if(!empty($_REQUEST['custom'])) { $sql = "SELECT infoid, COUNT(*) AS num FROM {$table}cus_value WHERE 0 ";
foreach($_REQUEST['custom'] AS $key => $val) {
if(!empty($val)) {
$cus_num++;
$sql .= " or (1 "; if(is_array($val)) {
$cus_tom = get_custom_info($key);
$sql .= " AND cusid = '$key'";
if($cus_tom[search]=='2') {
if(!empty($val['from'])) {
$sql .= is_numeric($val['from']) ? " AND cusvalue >= " . floatval($val['from']) : " AND cusvalue >= '$val[from]'";
$cus_arg["custom[$key][from]"] = $val['from'];
}
if(!empty($val['to'])) {
$sql .= is_numeric($val['to']) ? " AND cusvalue <= " . floatval($val['to']) : " AND cusvalue <= '$val[to]'";
$cus_arg["custom[$key][to]"] = $val['to'];
}
} elseif ($cus_tom[search]=='4') {
$val = join(',', $val);
$sql .= " AND cusid = '$key' AND cusvalue like '%$val%' ";
$cus_arg["custom[$key]"] = $val;
}
} else {
$sql .= " AND cusid = '$key' AND cusvalue like '%$val%' ";
$cus_arg["custom[$key]"] = $val;
}
$sql .= ')';
}
}
if($cus_num>0) {
$sql .= " GROUP BY infoid HAVING num = '$cus_num' ";
$row = $db->getCol($sql);
if(count($row)) {
$row = join(',',$row);
$cus_in = " AND id in ($row)";
} else {
$cus_in = " AND 0 ";
}
}
} $area_array = get_area_array();
$cat_array = get_cat_array();
$page = !empty($_REQUEST['page']) ? intval($_REQUEST['page']) : 1;
$size = 20;
$max_page = ($count> 0) ? ceil($count / $size) : 1;
if($page>$max_page)$page = $max_page;
$sql = "SELECT COUNT(*) FROM {$table}info AS i WHERE is_check = 1 $cus_in AND (( 1 " . $category . $keywords . $area ." ))";
$count = $db->getOne($sql);
$pager['search'] = array('keywords' => stripslashes(urlencode($_REQUEST['keywords'])),'id' => $cat,'area' => $_REQUEST['area']);
$pager['search'] = array_merge($pager['search'], $cus_arg);
$pager = get_pager('search.php', $pager['search'], $count, $page, $size); $sql = "SELECT * FROM {$table}info WHERE is_check=1 $cus_in AND (( 1 " . $category . $keywords . $area . " )) ORDER BY id DESC,postdate desc LIMIT $pager[start],$pager[size]";
$res = $db->query($sql);
$articles = array();
while($row = $db->fetchRow($res)) {
$row['title'] = cut_str($row['title'],'18');
$row['postdate'] = date('y年m月d日', $row['postdate']);
$row['lastdate'] = enddate($row['enddate']);
$row['areaname'] = $area_array[$row['areaid']];
$row['catname'] = $cat_array[$row['catid']];
$row['url'] = url_rewrite('view',array('vid'=>$row['id'])); if($keyword) {
$row['title'] = preg_replace('/'.$keyword.'/i','<font color=red>'.$keyword.'</font>', $row['title']);
$row['introduce'] = preg_replace('/'.$keyword.'/i','<font color=red>'.$keyword.'</font>', $row['introduce']);
}
$articles[] = $row;
}
$cat_hot = get_info($cats, $areas, '10', '','click','10'); $here = array('name'=>'搜索结果');
$seo['title'] = '搜索结果 - Powered by Phpmps';
$seo['keywords'] = $CFG['keywords'];
$seo['description'] = $CFG['description']; include template('search');
?>