How can the number of days between two days be calculated in PHP, considering the days are in different weeks?

When calculating the number of days between two days in different weeks in PHP, you can use the DateTime class to create DateTime objects for the two dates and then calculate the difference between them using the diff() method. This method returns a DateInterval object, which can be used to extract the total number of days between the two dates. 

$date1 = new DateTime('2022-01-10');
$date2 = new DateTime('2022-01-17');

$interval = $date1->diff($date2);
echo $interval->days;

Keywords

PHP date strtotime DateTime interval

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