How to calculate the start and end dates of a week in PHP-PHP Tutorial-php.cn

How to calculate the start and end dates of a week in PHP

墨辰丷

Release： 2023-03-31 17:26:02

Original

1883 people have browsed it

This article mainly introduces the method of PHP to calculate the start and end date of the week in which the specified date is located. It involves the skills of operating date and time in PHP. It has certain reference value. Friends in need can refer to this article.

The example describes how PHP calculates the start and end dates of the week on a specified date. The specific implementation method is as follows:

<html>
<head>
<title>计算一周开始结束日期</title>
</head>
<body>
<form method="post" action="./index.html" enctype="utf-8">
<table>
 <tr><td>输入年份</td>
 <td><input name="year" type="text" maxlength="4" /></td>
 </tr>
 <tr><td>输入月份</td>
 <td><input name="month" type="text" maxlength="2" /></td>
 </tr>
 <tr><td>输入天</td>
 <td><input name="day" type="text" maxlength="2" /></td>
 </tr>
 <tr><td colspan="2"><input type="submit" value="计算" />
</td></tr>
</table>
</form>
<?php
$time= $_POST[year].&#39;-&#39;.$_POST[month].&#39;-&#39;.$_POST[day].&#39; 00:00:00&#39;;
echo(&#39;你输入的时间是：&#39;.$time.&#39;</br>&#39;);
$lastday=date("Y-m-d",strtotime("$time Sunday"));
echo(&#39;输入的时间星期第一天是：&#39;.date("Y-m-d",strtotime("$lastday - 6 days")).&#39;<br/>&#39;);
echo(&#39;输入的时间星期最后一天是：&#39;.$lastday);
?>
</body>
</html>

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