How to check if a DateTime object represents a leap year in PHP?

You can check if a DateTime object represents a leap year in PHP using the format() function to extract the year from the DateTime object and then use the date() function to check if it is a leap year.

Here's an example:

$dateTime = new DateTime('2024-01-01');
$year = $dateTime->format('Y');

if (date('L', strtotime("$year-01-01"))) {
    echo "$year is a leap year.";
} else {
    echo "$year is not a leap year.";
}

In this example, the format() function is used to extract the year from the DateTime object and store it in the $year variable. Then, the date() function is used to check if the year is a leap year.

The strtotime() function is used to convert the year to a valid date format (YYYY-01-01), and the date() function with the L format is used to check if it returns 1 for a leap year or 0 for a non-leap year.

You can customize the DateTime object ('2024-01-01' in this example) to check if a specific DateTime object is representing a leap year.