How can the DateTime class in PHP simplify date calculations and avoid errors like double-counting dates?
The DateTime class in PHP simplifies date calculations by providing various methods for manipulating dates and times. It helps avoid errors like double-counting dates by handling time zones and daylight saving time automatically. By using the DateTime class, you can perform accurate date calculations without worrying about common pitfalls.
$date1 = new DateTime('2022-01-01');
$date2 = new DateTime('2022-01-05');
$interval = $date1->diff($date2);
echo $interval->days; // Outputs 4