安装

composer require aweitian/carbon

示例

$da = new Carbon('2018-10-9');
$da->lastDayOfMonth();//切换到月底
$da->firstDayOfMonth();//切换到月初
$da->format("Y-m-d"); //output

常用API

• time() Gets the Unix timestamp
• Carbon::now() 返回当前时间的Carbon对象