PHP获取一段时间内日期列表函数

/*
*参数分别是开始时间戳，结束时间戳
*/
function timeList($beginTimeStamp,$endTimeStamp){
	if(!is_numeric($beginTimeStamp)||!is_numeric($endTimeStamp)||($endTimeStamp<=$beginTimeStamp)) return '';
	$tmp=array();
    for($i=$beginTimeStamp;$i<=$endTimeStamp;$i+=(24*3600)){
		$tmp['timeStampList'][]=$i;
        $tmp['dayList'][]=date('Y年m月d日',$i);
		$tmp['dayWeek'][]=getWeek($i);
    }
	return $tmp;
}
function getWeek($timestamp){
	$timestamp=date('w',$timestamp);
	$str='';//http://www.scutephp.com/
	switch($timestamp){
		case '0':
			$str.='周日';
		break;
		case '1':
			$str.='周一';
		break;
		case '2':
			$str.='周二';
		break;
		case '3':
			$str.='周三';
		break;
		case '4':
			$str.='周四';
		break;
		case '5':
			$str.='周五';
		break;
		case '6':
			$str.='周六';
		break;
	}
	return $str;
}