php date mktime strtotime 获取时间方法

原创: 2016-07-25 08:45:57748浏览

/**
* 获得系统年份数组
*/
function getSystemYearArr(){
$year_arr = array('2010'=>'2010','2011'=>'2011','2012'=>'2012','2014'=>'2014','2014'=>'2014','2015'=>'2015','2016'=>'2016','2017'=>'2017','2018'=>'2018','2019'=>'2019','2020'=>'2020');
return $year_arr;
}
/**
* 获得系统月份数组
*/
function getSystemMonthArr(){
$month_arr = array('1'=>'01','2'=>'02','3'=>'03','4'=>'04','5'=>'05','6'=>'06','7'=>'07','8'=>'08','9'=>'09','10'=>'10','11'=>'11','12'=>'12');
return $month_arr;
}
/**
* 获得系统周数组
*/
function getSystemWeekArr(){
$week_arr = array('1'=>'周一','2'=>'周二','3'=>'周三','4'=>'周四','5'=>'周五','6'=>'周六','7'=>'周日');
return $week_arr;
}
/**
* 获取某月的最后一天
*/
function getMonthLastDay($year, $month){
$t = mktime(0, 0, 0, $month + 1, 1, $year);
$t = $t - 60 * 60 * 24;
return $t;
}
/**
* 获得系统某月的周数组，第一周不足的需要补足
*/
function getMonthWeekArr($current_year, $current_month){
//该月第一天
$firstday = strtotime($current_year.'-'.$current_month.'-01');
//该月的第一周有几天
$firstweekday = (7 - date('N',$firstday) +1);
//计算该月第一个周一的时间
$starttime = $firstday-3600*24*(7-$firstweekday);
//该月的最后一天
$lastday = strtotime($current_year.'-'.$current_month.'-01'." +1 month -1 day");
//该月的最后一周有几天
$lastweekday = date('N',$lastday);
//该月的最后一个周末的时间
$endtime = $lastday-3600*24*$lastweekday;
$step = 3600*24*7;//步长值
$week_arr = array();
for ($i=$starttime; $i<$endtime; $i= $i+3600*24*7){
$week_arr[] = array('key'=>date('Y-m-d',$i).'|'.date('Y-m-d',$i+3600*24*6), 'val'=>date('Y-m-d',$i).'~'.date('Y-m-d',$i+3600*24*6));
}
return $week_arr;
}
/**
* 获取本周的开始时间和结束时间
*/
function getWeek_SdateAndEdate($current_time){
$current_time = strtotime(date('Y-m-d',$current_time));
$return_arr['sdate'] = date('Y-m-d', $current_time-86400*(date('N',$current_time) - 1));
$return_arr['edate'] = date('Y-m-d', $current_time+86400*(7- date('N',$current_time)));
return $return_arr;
}
//查询当天、前3天、本周、本月、本年的时间
echo date("y-m-d",mktime(0, 0 , 0,date("m"),date("d"),date("Y"))-86400*3); //当前日期往前推3天
//thinkphp 里面查询当天、本周、本月、本年的时间
$time=I('get.time');
switch ($time) {
case 'day':
$startTime=date("Y-m-d");
$endTime=date("Y-m-d");
break;
case 'week':
$startTime=date("Y-m-d",mktime(0, 0 , 0,date("m"),date("d")-date("w")+1,date("Y")));
$endTime =date("Y-m-d",mktime(23,59,59,date("m"),date("d")-date("w")+7,date("Y")));
break;
case 'month':
$startTime = date("Y-m-d",mktime(0, 0 , 0,date("m"),1,date("Y")));
$endTime=date("Y-m-d",mktime(23,59,59,date("m"),date("t"),date("Y")));
break;
case 'year':
$startTime=date("Y").'-01-01';
$endTime=date("Y").'-12-31';
break;
default:
break;
}
//其他方式获取PHP获取上周、本周、上月、本月、本季度、上季度时间方法大全
echo date("Ymd",strtotime("now")), "\n";
echo date("Ymd",strtotime("-1 week Monday")), "\n";
echo date("Ymd",strtotime("-1 week Sunday")), "\n";
echo date("Ymd",strtotime("+0 week Monday")), "\n";
echo date("Ymd",strtotime("+0 week Sunday")), "\n";
echo "*********第几个月:";
echo date('n');
echo "*********本周周几:";
echo date("w");
echo "*********本月天数:";
echo date("t");
echo "*********";
echo '
上周起始时间:
';
echo date("Y-m-d H:i:s",mktime(0, 0 , 0,date("m"),date("d")-date("w")+1-7,date("Y"))),"\n";
echo date("Y-m-d H:i:s",mktime(23,59,59,date("m"),date("d")-date("w")+7-7,date("Y"))),"\n";
echo '
本周起始时间:
';
echo date("Y-m-d H:i:s",mktime(0, 0 , 0,date("m"),date("d")-date("w")+1,date("Y"))),"\n";
echo date("Y-m-d H:i:s",mktime(23,59,59,date("m"),date("d")-date("w")+7,date("Y"))),"\n";
echo '
上月起始时间:
';
echo date("Y-m-d H:i:s",mktime(0, 0 , 0,date("m")-1,1,date("Y"))),"\n";
echo date("Y-m-d H:i:s",mktime(23,59,59,date("m") ,0,date("Y"))),"\n";
echo '
本月起始时间:
';
echo date("Y-m-d H:i:s",mktime(0, 0 , 0,date("m"),1,date("Y"))),"\n";
echo date("Y-m-d H:i:s",mktime(23,59,59,date("m"),date("t"),date("Y"))),"\n";
$season = ceil((date('n'))/3);//当月是第几季度
echo '
本季度起始时间:
';
echo date('Y-m-d H:i:s', mktime(0, 0, 0,$season*3-3+1,1,date('Y'))),"\n";
echo date('Y-m-d H:i:s', mktime(23,59,59,$season*3,date('t',mktime(0, 0 , 0,$season*3,1,date("Y"))),date('Y'))),"\n";
$season = ceil((date('n'))/3)-1;//上季度是第几季度
echo '
上季度起始时间:
';
echo date('Y-m-d H:i:s', mktime(0, 0, 0,$season*3-3+1,1,date('Y'))),"\n";
echo date('Y-m-d H:i:s', mktime(23,59,59,$season*3,date('t',mktime(0, 0 , 0,$season*3,1,date("Y"))),date('Y'))),"\n";