php 如何从PHP中的数字获取月份名称？
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How to get the month name from a number in PHP?
提问by hd.
I have a variable containing a month number. How can I get the name of the month from this value?
我有一个包含月份数的变量。如何从此值中获取月份的名称？
I know I could define an array for $month_num => $month_name, but I want to know if there is a time function in PHP that can do this, without the need for an array?
我知道我可以为 定义一个数组$month_num => $month_name，但我想知道 PHP 中是否有一个时间函数可以做到这一点，而无需数组？
回答by Dreaded semicolon
date("F",mktime(0,0,0,$monthnumber,1,2011));
回答by Peter Ajtai
You can get just the textual month of a Unix time stamp with the Fdate()format character, and you can turn almost any format of date into a Unix time stamp with strtotime(), so pick any year and a day 1 to 28 (so it's present in all 12 months) and do:
您可以获得带有Fdate()格式字符的 Unix 时间戳的文本月份，并且您可以使用strtotime()将几乎任何格式的日期转换为 Unix 时间戳，因此选择任何一年和一天 1 到 28（因此它存在）在所有 12 个月内）并执行以下操作：
$written_month = date("F", strtotime("2001-$number_month-1"));
// Example - Note: The year and day are immaterial:
// 'April' == date("F", strtotime("2001-4-1"));
The nice thing about using strtotime()is that it is very flexible. So let's say you want an array of textual month names that starts one month from whenever the script is run;
使用的好处strtotime()是它非常灵活。因此，假设您想要一个文本月份名称数组，该数组从脚本运行时的一个月开始；
<?php
for ($number = 1; $number < 13; ++$number) {
// strtotime() understands the format "+x months"
$array[] = date("F", strtotime("+$number months"));
}
?>
回答by Danny Beckett
A slightly shorter version of the accepted answer is:
接受答案的略短版本是：
date('F', strtotime("2000-$monthnumber-01"));
Fstands for "month name", per the table ondate.The
2000is just a filler for the year, and the01a filler for the day; since we're not concerned about anything other than the month name.
F根据 上的表格，代表“月份名称”date。这
2000只是一年01的填充物，以及当天的填充物；因为我们不关心月份名称以外的任何事情。
Here's a demoon ideone.
这是ideone上的演示。
回答by jmarceli
You could also use:
您还可以使用：
jdmonthname(gregoriantojd($monthnumber, 1, 1), CAL_MONTH_GREGORIAN_LONG)
It's just another way. I don't know anything about the efficiency of this compared to @Dreaded semicolon's answer.
这只是另一种方式。与@Dreaded分号的答案相比，我对它的效率一无所知。
Here's a demoon ideone.
这是ideone上的演示。
For reference:
以供参考：
jdmonthamereturns the Julian calendar month name.gregoriantojdconverts a Gregorian (currently used) calendar date to Julian (the1, 1part stands for day and year).
jdmonthame返回儒略历月份名称。gregoriantojd将公历（当前使用的）日历日期转换为儒略（该1, 1部分代表日和年）。
回答by Dayz
use the function mktime which takes the date elements as parameters.
使用函数 mktime 将日期元素作为参数。
<?php
$month_number= 3;
$month_name = date("F", mktime(0, 0, 0, $month_number, 10));
echo $month_name;
?>
Output: March
产出： 三月
