What is the best way to calculate the difference in days between two timestamps in PHP?

To calculate the difference in days between two timestamps in PHP, you can use the following steps: 1. Convert the timestamps into DateTime objects. 2. Calculate the difference between the two DateTime objects using the diff() method. 3. Retrieve the difference in days using the format() method with the 'd' format specifier. 

$timestamp1 = strtotime('2022-01-01');
$timestamp2 = strtotime('2022-01-10');

$date1 = new DateTime(date('Y-m-d', $timestamp1));
$date2 = new DateTime(date('Y-m-d', $timestamp2));

$interval = $date1->diff($date2);
$diffInDays = $interval->format('%d');

echo "Difference in days: " . $diffInDays;

Keywords

PHP timestamps date_diff date_create date_interval

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