echo date('Y-m',strtotime('-1 months'));
echo "\r\n";
echo date('Y-m',strtotime('first day of last month'));
echo "\r\n";
echo date('Y-m',strtotime('-1 week'));微信
當遇到月爲31日是 date('Y-m',strtotime('-1 months'));求的月份仍是當月的ide
正確使用方式
blog
echo date('Y-m',strtotime('first day of last month'));get
echo date('Y-m-d H:i:s', strtotime('-1 month', strtotime(date('Y-m'))));it