What is the best way to calculate the time difference between two values retrieved from a database in PHP?

To calculate the time difference between two values retrieved from a database in PHP, you can convert the database values to DateTime objects and then use the `diff()` method to get the difference in time. This method provides a precise and accurate way to calculate the time elapsed between two points in time. 

// Retrieve values from the database
$value1 = "2022-01-01 12:00:00";
$value2 = "2022-01-01 12:30:00";

// Convert database values to DateTime objects
$date1 = new DateTime($value1);
$date2 = new DateTime($value2);

// Calculate the time difference
$interval = $date1->diff($date2);

// Output the time difference
echo $interval->format('%H hours, %I minutes');

Keywords

PHP database time difference calculation functions

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