php数组取模

public function indexRecomHouse($area){

$where = array();

$where['a.isDel'] = '0';

$where['a.status'] = '2';

$where['a.auditstatus'] = '1';//已审核

$where['a.salestatus'] = '0';//在售

$where['a.isRecom'] = 'Y';

$order = "a.verifyTime desc";

$field = "a.esfId,c.shi,c.ting,c.chu,c.wei,a.price,a.buildingArea,b.fangAreaId,a.villageId,b.villageName";

$data = $this->table($this->tablePrefix."house as a")->join("left join ".$this->tablePrefix."village as b on a.villageId=b.villageId")->join("left join ".$this->tablePrefix."village_pic_hsize as c on a.hsizeId=c.picId")->where($where)->field($field)->order($order)->limit(15)->select();

if($data){

$areaDb = D("FangArea");

$housePicDb = D("HousePic");

$num=0;

foreach($data as $key => $val){

$data[$key]['detailUrl'] = "http://esf.$area.qq.com/House1/detail?esfId=".$val['esfId'];

$data[$key]['thumbUrl'] = $housePicDb->getThumb($val['esfId']);

$data[$key]['areaName'] = $areaDb->getName($val['fangAreaId']);

$data[$key]['zuhe'] = $val['shi']."室".($val['ting'] ? $val['ting']."厅" : "").($val['wei'] ? $val['wei']."卫" : "");

$a=  explode('.', $val['buildingArea']);

if($a[1]>0){

$data[$key]['buildingArea'] =  $a[0].'.'.$a[1];

}else {

$data[$key]['buildingArea'] =  $a[0];

}

$b=  explode('.', $val['price']);

if($b[1]>0){

$data[$key]['price'] =  $b[0].'.'.$b[1];

}else {

$data[$key]['price'] =  $b[0];

}

//处理3层数据结构,每组下面5条数据

if($key%5 !=0){

$arr[$num][]=$data[$key];

}else {

$arr[$num+1][]=$data[$key];

$num +=1;

}

}

}

return $arr;

}

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