What are some best practices for handling date calculations and intervals in PHP to avoid errors?

When handling date calculations and intervals in PHP, it's important to use the DateTime class to ensure accurate and reliable results. Avoid using functions like strtotime() or date() for date manipulation as they can lead to errors, especially with timezones and daylight saving time changes. By using the DateTime class and its methods, you can easily perform date calculations and intervals while avoiding common pitfalls. 

// Example of calculating a date interval using DateTime class
$date1 = new DateTime('2022-01-01');
$date2 = new DateTime('2022-01-10');
$interval = $date1->diff($date2);
echo $interval->days . " days difference between the two dates";

Keywords

date calculations intervals PHP errors handling

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