获取给定输入的月份开始的星期几 [英] Get which day of the week the month starts on for given input

问题描述

我有一个函数，定义当月开始的星期几：

I have a function which defines what day of the week the month starts on for the current month:

public function firstDayOfMonth()
    {
        $day =  (int) date("w", strtotime(date('m').'/01/'.date('Y').' 00:00:00'));
        return $day;
    }

我如何改变上述方式，让我得到

How would I alter the above, in a way that allows me to get the day of the week the month starts on if I give it input, for example 'June'.

推荐答案

public function firstDayOfMonth($month) {
    $day =  (int) date("w", strtotime($month . ' 01,' . date('Y') . ' 00:00:00'));
    return $day;
}

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