In this example,we helps you can easy and simply get the first day of specific month in php.

1. Code:

<?php
function getTheFirstDayOfSpecificMonth($date){
	$theFirstDayOfSpecificMonth = date('Y-m-01', strtotime($date));
    return $theFirstDayOfSpecificMonth;
} 

    $date = '2022-01-10';

    echo getTheFirstDayOfSpecificMonth($date);
?>

2. Example:

Input:

date = '2022-01-10';

Output:

2022-01-01