How to get the week of the year today is in php

php method to get the week of the year today is: first create a PHP sample file; then set the character format; then use the "$week = date('W');" method to get the year today is The first few weeks are enough.

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This requires the use of the powerful date( ) function. Go directly to the code.

<?php
    header("Content-Type: text/html;charset=utf-8");  //可不要，在这里只是为了让确定字符格式，防止乱码。
    $week = date(&#39;W&#39;);
    echo &#39;今天是一年中的第&#39;.$week.&#39;周&#39;;
?>

PHP date() function can format the timestamp into a more readable date and time.

Tip timestamp is a character sequence that represents the date/time when a certain event occurred.

Grammar

string date ( string $format [, int $timestamp ] )

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