//今天date('Y-m-d',time());date('Y-m-d',time());//本周date('Y-m-d',mktime(0,0,0,date("m"),date("d")-date("w")+1,date("Y")));date('Y-m-d',mktime(0,0,0,date("m"),date("d")-date("w")+7,date("Y")));//半月//上半月date('Y-m-d',mktime(0,0,0,date("m"),1,date("Y")));date('Y-m-d',mktime(0,0,0,date("m"),15,date("Y")));//下半月$last_day = date('t',strtotime($begin_date));//获取本月最后一天date('Y-m-d',mktime(0,0,0,$month,1,$year));date('Y-m-d',mktime(0,0,0,$month,15,$year));//本月date("Y-m-d",mktime(0,0,0,date('m'),1,date('Y')));date("Y-m-d",mktime(23,59,59,date('m'),date('t'),date('Y')));//本年date("Y-m-d",mktime(0,0,0,date('m'),1,date('Y')));date("Y-m-d",mktime(23,59,59,date('m'),date('t'),date('Y')));//本季$season = ceil((date('n'))/3);//当前是第几季度date('Y-m-d', mktime(0, 0, 0,$season*3-3+1,1,date('Y')));date('Y-m-d', mktime(23,59,59,$season*3,date('t',mktime(0, 0 , 0,$season*3,1,date("Y"))),date('Y')));//本年date("Y",time())."-1"."-1";date("Y",time())."-12"."-31";//昨天date('Y-m-d', mktime(0, 0, 0,date('m'),date('d')-1,date('Y')));date('Y-m-d', mktime(0, 0, 0,date('m'),date('d')-1,date('Y')));//上月date('Y-m-d', mktime(0, 0, 0,date('m')-1,1,date('Y')));date('Y-m-d', mktime(0, 0, 0,date('m'),0,date('Y')));
date('m');//获取01-12月date('n');//获取不带0的月,1-12月date('t');//获取本月最后一天date("w");//获取星期几，0为星期天
