將三個字串(天數、月份、年份)結合並計算出 PHP 的下一個日期?
你需要使用三個 for 迴圈迭代給定的天數、月份和年份。如果天數、月份和年份可用,那麼將它們放入變數中。
示例
PHP 程式碼如下
<!DOCTYPE html>
<html>
<body>
<?php
$givenDate = '2018-04-28';
$fiveYears = '2018,2019,2020,2021,2022';
$fiveMonths = '03,05,07,08,09';
$fiveDays = '25,26,27,28,29';
$fYears = explode(',', $fiveYears);
$fMonths = explode(',', $fiveMonths);
$fDays = explode(',', $fiveDays);
$nextDate = null;
foreach($fYears as $yr) {
foreach($fMonths as $mn) {
foreach($fDays as $dy) {
$t = $yr.'-'.$mn.'-'.$dy;
if($t > $givenDate) {
$nextDate = $t;
break 3;
}
}
}
}
if($nextDate) {
echo 'The next date value is =' . $nextDate;
}
else {
echo 'No date is found.';
}
?>
</body>
</html>輸出
這將產生以下輸出
The next date value is =2018-05-25
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