PHP获取月末时间

用php获取月末

$a_date = "2009-11-23";
echo date("Y-m-t", strtotime($a_date));

//第二种
(new DateTime('2009-11-23'))->modify('last day of')
原文地址:https://www.cnblogs.com/tl542475736/p/9792288.html