Are there any specific PHP functions or libraries that can assist in calculating time spans?

When working with time spans in PHP, you can utilize the DateTime class along with its methods to calculate the difference between two dates or timestamps. The `diff()` method can be used to get the interval between two DateTime objects, which can then be formatted to display the time span in a human-readable format. 

$startDate = new DateTime('2022-01-01');
$endDate = new DateTime('2022-01-10');

$interval = $startDate->diff($endDate);

echo $interval->format('%R%a days');

Keywords

PHP time spans functions libraries date_diff DateTime

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