You can find the number of days in a specific month and year using the DateTime class in PHP. Here's an example:
// Specify the month and year
$month = 2; // February
$year = 2022;
// Create a DateTime object for the first day of the specified month and year
$dateTime = new DateTime("$year-$month-1");
// Get the number of days in the month using the format 't'
$numDays = $dateTime->format('t');
// Output the result
echo "Number of days in $month/$year: $numDays";
In this example, we specify the month as 2 and the year as 2022 (you can change these values to your desired month and year). Then, we create a DateTime object for the first day of the specified month and year. Finally, we use the format method with the 't' format parameter to get the number of days in the month.
The output will be: "Number of days in 2/2022: 28" in the case of February 2022 because it has 28 days.