Home > Article > Backend Development > How to get some special time nodes in PHP
1. Get the first and last day of the month
Code:
<?php $BeginMonthDate=date('Y-m-01', strtotime(date("Y-m-d"))); echo $BeginMonthDate; echo "<br/>"; echo date('Y-m-d', strtotime("$BeginMonthDate +1 month -1 day")); echo "<br/>"; ?>
Output :
2021-03-01 2021-03-31
2. Get the year, month, day and number of days of the day
Code:
<?php echo " 本月共有:".date("t")."天"; echo " 当前年份".date('Y'); echo " 当前月份".date('m'); echo " 当前几号".date('d'); echo "<br/>"; ?>
Output:
本月共有:31天 当前年份2021 当前月份03 当前几号31
3. Use functions and arrays to get the first and last days of the month
Code:
function getthemonth($date) { $firstday = date('Y-m-01', strtotime($date)); $lastday = date('Y-m-d', strtotime("$firstday +1 month -1 day")); return array($firstday,$lastday); } $today = date("Y-m-d"); $day=getthemonth($today); echo "当月的第一天: ".$day[0]." 当月的最后一天: ".$day[1]; echo "<br/>";
Output:
当月的第一天: 2021-03-01 当月的最后一天: 2021-03-31
4. Get the first and last day of last month
Code:
<?php //上个月第一天: echo date('Y-m-d', strtotime(date('Y-m-01') . ' -1 month'));// 计算出本月第一天再减一个月 echo "<br>"; //上个月最后一天: echo date('Y-m-d', strtotime(date('Y-m-01') . ' -1 day')); // 计算出本月第一天再减一天 ?>
Output:
2021-02-01 2021-02-28
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