In the provided PHP code snippet, what are the best practices for handling date and time calculations to ensure accuracy and efficiency?

When handling date and time calculations in PHP, it is best practice to use the DateTime class for accurate and efficient calculations. This class provides built-in methods for adding and subtracting intervals, comparing dates, and formatting dates. By using the DateTime class, you can avoid common pitfalls such as daylight saving time changes and leap years. 

// Example of using DateTime class for date and time calculations
$startDate = new DateTime('2022-01-01');
$endDate = new DateTime('2022-12-31');

// Calculate the difference in days between two dates
$interval = $startDate->diff($endDate);
echo $interval->format('%a days');

Keywords

DateTime date_default_timezone_set date_create date_format timezones

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