What are the potential pitfalls of calculating dates in PHP using seconds instead of utilizing DateTime objects?

Calculating dates in PHP using seconds can be error-prone and difficult to manage, especially when considering time zones, daylight saving time, and leap years. Utilizing DateTime objects in PHP provides a more robust and reliable way to work with dates and times, handling these complexities automatically. 

// Using DateTime objects to calculate dates
$datetime1 = new DateTime('2022-01-01');
$datetime2 = new DateTime('2022-01-15');
$interval = $datetime1->diff($datetime2);
echo $interval->days; // Output: 14

Keywords

PHP DateTime date calculations timestamp errors

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