What are some recommendations for handling time calculations and conversions in PHP to avoid errors or inaccuracies?

When dealing with time calculations and conversions in PHP, it's important to use PHP's built-in DateTime class for accurate results. Avoid using functions like strtotime() or date() for complex time operations as they can lead to errors or inaccuracies. By utilizing the DateTime class, you can perform calculations, conversions, and comparisons with ease while ensuring precision.

// Example of handling time calculations and conversions using DateTime class

// Create a DateTime object for the current time
$currentTime = new DateTime();

// Add 1 hour to the current time
$currentTime->modify('+1 hour');

// Format the new time in a specific format
$newTime = $currentTime->format('Y-m-d H:i:s');

echo $newTime;