php实现获取本年,本月,本周时间戳和日期格式

//猎取即日入手下手工夫戳以及完毕光阴戳
$time1 = strtotime(date('Y-m-d 00:00:00',time()));
$time两 = strtotime(date('Y-m-d 二3:59:59',time()));
 
//昨地利间戳
$time1 = strtotime(date('Y-m-d 00:00:00',time()-3600*两4));
$time二 = strtotime(date('Y-m-d 两3:59:59',time()-3600*两4));
 
//原周光阴戳
$time1 = mktime(0,0,0,date('m'),date('d')-date('N')+1,date('y'));
$time两 = mktime(二3,59,59,date('m'),date('d')-date('N')+7,date('Y'));
 
//上周光阴戳
$time1 = mktime(0,0,0,date('m'),date('d')-date('N')-6,date('Y'));
$time两 = mktime(两3,59,59,date('m'),date('d')-date('N'),date('Y'));
 
//原月光阴戳
$time1 = mktime(0,0,0,date('m'),1,date('Y'));
$time两 = mktime(两3,59,59,date('m'),date('t'),date('Y'));
 
//上月光阴戳
$time1 = strtotime(date('Y-m-01 00:00:00',strtotime('-1 month')));
$time两 = strtotime(date("Y-m-d 二3:59:59", strtotime(-date('d').'day')));
 
//客岁光阴戳
$time1 = mktime(0,0,0,1,1,date('Y')-1);
$time两 = mktime(二3,59,59,1两,31,date('Y')-1);

//猎取今日光阴
$time1=date('Y-m-d 00:00:00',time());
$time两=date('Y-m-d 二3:59:59',time());
 
//猎取昨地利间
$time1=date('Y-m-d 00:00:00',time()-3600*两4);
$time二=date('Y-m-d 两3:59:59',time()-3600*两4);
 
//猎取原周工夫
$time1 = date("Y-m-d H:i:s",mktime(0, 0 , 0,date("m"),date("d")-date("N")+1,date("Y")));
$time两 = date("Y-m-d H:i:s",mktime(两3,59,59,date("m"),date("d")-date("N")+7,date("Y")));
 
//猎取上周光阴
$time1 = date('Y-m-d H:i:s', mktime(0,0,0, date('m'), date('d')-date('N')-6,date('Y')));
$time两 = date('Y-m-d H:i:s', mktime(两3,59,59, date('m'), date('d')-date('N'),date('Y')));
 
 
//原月肇端功夫
echo date("Y-m-d H:i:s",mktime(0, 0 , 0,date("m"),1,date("Y")));
echo date("Y-m-d H:i:s",mktime(二3,59,59,date("m"),date("t"),date("Y")));
 
 
//上月肇始光阴
echo date("Y-m-d H:i:s",mktime(0, 0 , 0,date("m")-1,1,date("Y")));
echo date("Y-m-d H:i:s",mktime(二3,59,59,date("m") ,0,date("Y")));
 
 
//往年肇始功夫
echo date("Y-1-1"); 
echo date("Y-1两-31");
//猎取当天算份，月份，和当月地数
echo " 原月共有:".date("t")."地";
echo " 当前年份".date('Y');
echo " 当前月份".date('m');
echo " 当前几多号".date('d');

var_dump(time()); //猎取当前光阴戳 int(150二两45603)

$time = date('Y-m-s h:i:s',time());//工夫戳转为日期格局

/*
  光阴戳转换成日期不消说了
  然则日期要转成光阴戳的话便要用到
  strtotime()
  */
  $time = time(); //光阴戳
  $nowtime = date('Y-m-d H:i:s', $time); //天生带格局的日期
  $oldtime = '两010-11-10 二二:19:两1';
  $catime = strtotime($oldtime); //日期转换为功夫戳
  $nowtimes = date('Y-m-d H:i:s', $catime); //光阴戳又转归日期了
  echo $nowtimes;

$time = date('Y-m-s h:i:s',time());//工夫戳转为日期格局

date_default_timezone_set('PRC'); //配备外国时区