In PHP, How to Get the First and Last Date of a Month

How can I find the first and last date in a month using PHP?

The easiest way is to use date, which lets you mix hard-coded values with ones extracted from a timestamp. If you don't give a timestamp, it assumes the current date and time.

// Current timestamp is assumed, so these find first and last day of THIS month
$first_day_this_month = date('m-01-Y'); // hard-coded '01' for first day
$last_day_this_month  = date('m-t-Y');

// With timestamp, this gets last day of April 2010
$last_day_april_2010 = date('m-t-Y', strtotime('April 21, 2010'));

date() searches the string it's given, like 'm-t-Y', for specific symbols, and it replaces them with values from its timestamp. So we can use those symbols to extract the values and formatting that we want from the timestamp. In the examples above:

• Y gives you the 4-digit year from the timestamp ('2010')
• m gives you the numeric month from the timestamp, with a leading zero ('04')
• t gives you the number of days in the timestamp's month ('30')

You can be creative with this. For example, to get the first and last second of a month:

$timestamp    = strtotime('February 2012');
$first_second = date('m-01-Y 00:00:00', $timestamp);
$last_second  = date('m-t-Y 12:59:59', $timestamp); // A leap year!

See http://php.net/manual/en/function.date.php for other symbols and more details.

how to get the first and last days of a given month

You might want to look at the strtotime and date functions.

<?php

$query_date = '2010-02-04';

// First day of the month.
echo date('Y-m-01', strtotime($query_date));

// Last day of the month.
echo date('Y-m-t', strtotime($query_date));

The best way to get the first and last day of last month?

In PHP 5.3, you can use the DateTime class :

<?php

$month_ini = new DateTime("first day of last month");
$month_end = new DateTime("last day of last month");

echo $month_ini->format('Y-m-d'); // 2012-02-01
echo $month_end->format('Y-m-d'); // 2012-02-29

In PHP, is there an easy way to get the first and last date of a month?

$first = date('Y-m-d', mktime(0, 0, 0, $month, 1, $year));
$last = date('Y-m-t', mktime(0, 0, 0, $month, 1, $year));

See date() in PHP documentation.

Get the last day of the last month and the first day of next month in PHP

Use below code:

<?php

$month_end = new DateTime("last day of last month");
$month_ini = new DateTime("first day of next month");

echo $month_end->format('Y-m-d'); // will print, Last day of last month
echo $month_ini->format('Y-m-d'); // will print First day of next month

?>

With Datetime object with user defined date (Custom date)

# with datetime object
$d1 = new DateTime('2019-12-01');
$d1 -> modify('last day of last month');
echo $d1 -> format('d.m.Y'), "\n";

$d2 = new DateTime('2019-12-01');
$d2 -> modify('first day of next month');
echo $d2 -> format('d.m.Y'), "\n";

Output:
30.11.2019
01.01.2020

Getting first day of a given month in PHP?

The strtotime function supports relative time formats. You can just do this instead:

$date = strtotime('20140702');
$first_date = strtotime('first day of this month', $date);
$first_day_of_month = date('w', $first_date);

The second parameter to strtotime provides the time that the relative format will be relative to. You can use this to easily calculate dates relative to a particular point, as shown above.

get first day of last month result changes

You need to set time explicitly:

$monthStart = (new DateTime("first day of last month"))->setTime(0,0,0);
$monthEnd = (new DateTime("last day of last month"))->setTime(23,59,59);

By default it returns current time.

Retrieve the first day of the last month for a given date

Here's how to do this for any month, instead of the current month

$date = new DateTime('2016-05-25');
$date->modify('-1 month');
echo $date->format('Y-m-t'); // 2016-04-30
echo $date->format('Y-m-01'); // 2016-04-01

---

Related Topics