php mktime 今年时间,phpdatemktimestrtotime获取时间方法

/**

* 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; $i$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";