php date mktime strtotime 取得時間方法

php date mktime strtotime 取得時間方法

/**
 * 取得系統年份陣列
*/
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;
}
/**
 * 取得系統月份數組
*/
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;
}
/**
 * 取得系統週數組
*/
function getSystemWeekArr(){
 $week_arr = array('1'=>'週一','2'=>'週二','3'=> '週三','4'=>'週四','5'=>'週五','6'=>'週六','7'=>'週日');
 return $ week_arr;
}
/**
 * 取得某月的最後一天
*/
function getMonthLastDay($year, $month){
 $t = mktime(0, 0, 0, $month 1, 1, $year);
 $t = $t - 60 * 60 * 24;
 return $t;
}
/**
 * 取得系統某月的周數組，第一週不足的需要補足
*/
function getMonthWeekArr($current_year, $current_month){
 //該月第一天
 $firstday = strtotime($current_year.'-'.$current_month.'-01');
 //該月的第一週有幾天
 $firstweekday = (7 - date('N',$firstday) 1);
 //計算該月第一個週一的時間
 $starttime = $firstday-3600*24* (7-$firstweekday);
 //該月的最後一天
 $lastday = strtotime($current_year.'-'.$current_month.'-01'." 1 month -1 day");
 //該月的最後一週有幾天
 $lastweekday = date('N',$lastday);
 //該月的最後一個週末的時間
 $endtime = $lastday- 3600*24*$lastweekday;
 $step = 3600*24*7;//步長值
 $week_arr = array();
 for ($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 $week_arr;
}
/**
 * 取得本週的開始時間和結束時間
*/
function getWeek_SdateAndEdate($current_time){
 $current_time = strtotime(date($current_time){
 $current_time = strtotime(date($current_time ',$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;
}
///查詢當天、前3天、本週、本月、本年的時間
echo date("y-m-d",mktime(0, 0 , 0,date("m"),date("d"),date ("Y"))-86400*3); //當日期往前推3天
//thinkphp 裡面查詢當天、本週、本月、本年的時間
 $time=I(' get.time');
 switch ($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; }

//其他方式取得PHP取得上週、本週、上月、本月、本季、上季時間方法大全
 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 "*********第幾個月:";
 echo date('n');
 echo "******* **本週週幾:";
 echo date("w");
 echo "*********本月天數:";
 echo date("t") ;
 echo "*********";

 echo '上週起始時間:';
 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 '本週起始時間:';
 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 '上月起始時間:';
 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 '本月起始時間:';
 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";

 $season = ceil((date('n'))/3);//當月是第幾季
 echo '本季起始時間:';
 echo date('Y-m-d H:i:s', mktime(0, 0, 0,$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";

 $season = ceil(( date('n'))/3)-1;//上季度是第幾季度
 echo '上季度起始時間:';
 echo date('Y-m-d H: i:s', mktime(0, 0, 0,$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";

date, php, strtotime