<?php
	function format_date($time){
		$t=time()-$time;
		$f=array(
			'31536000'=>'年',
			'2592000'=>'个月',
			'604800'=>'星期',
			'86400'=>'天',
			'3600'=>'小时',
			'60'=>'分钟',
			'1'=>'秒'
		);
		foreach ($f as $k=>$v) {
			if (0 !=$c=floor($t/(int)$k)) {
				return $c.$v.'前';
			}
		}
	}

    function kp_site_article($params = array()) {
        global $_GPC, $_W;
        extract($params);
        $pindex = max(1, intval($_GPC['page']));
        if (!isset($limit)) {
            $psize = 10;
        } else {
            $psize = intval($limit);
            $psize = max(1, $limit);
        }
        $result = array();

        $condition = " WHERE uniacid = :uniacid ";
        $pars = array(':uniacid' => $_W['uniacid']);
        if (!empty($cid)) {
            $category = pdo_fetch("SELECT parentid FROM ".tablename('site_category')." WHERE id = :id", array(':id' => $cid));
        if (!empty($category['parentid'])) {
            $condition .= " AND ccate = :ccate ";
            $pars[':ccate'] = $cid;
        } else {
            $condition .= " AND pcate = :pcate";
            $pars[':pcate'] = $cid;
        }
        }
        if ($iscommend == 'true') {
            $condition .= " AND iscommend = '1'";
        }
        if ($ishot == 'true') {
            $condition .= " AND ishot = '1'";
        }
        $keyword = $_GPC['keyword'];
        $keyword = addslashes($keyword);
        if (!empty($keyword)){
            $condition .= " AND title like :keyword";
            $pars[':keyword'] = '%'.$keyword.'%';
        }
        $sql = "SELECT * FROM ".tablename('site_article'). $condition. ' ORDER BY displayorder DESC, id DESC LIMIT ' . ($pindex - 1) * $psize .',' .$psize;
        $result['list'] = pdo_fetchall($sql, $pars);
        $total = pdo_fetchcolumn('SELECT COUNT(*) FROM ' . tablename('site_article') . $condition, $pars);
        $result['pager'] = pagination($total, $pindex, $psize);
        if (!empty($result['list'])) {
            foreach ($result['list'] as &$row) {
                if(empty($row['linkurl'])) {
                    $row['linkurl'] = murl('site/site/detail', array('id' => $row['id'], 'uniacid' => $_W['uniacid']));
                }
                $row['thumb'] = tomedia($row['thumb']);
            }
        }
        return $result;
    }
?>