How can the difference between two time variables be calculated and formatted in PHP?

To calculate the difference between two time variables in PHP, you can use the DateTime class to create DateTime objects for the two time variables and then use the diff() method to calculate the difference. You can then format the difference as needed using the format() method. 

$time1 = new DateTime('2022-01-01 12:00:00');
$time2 = new DateTime('2022-01-01 12:30:00');

$interval = $time1->diff($time2);
echo $interval->format('%H hours %i minutes');

Keywords

time variables calculation formatting PHP functions date and time operations

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