How can you calculate the seconds between two timestamps in PHP?

To calculate the seconds between two timestamps in PHP, you can first convert the timestamps to Unix timestamps using the strtotime function, then subtract the two Unix timestamps to get the difference in seconds. 

$timestamp1 = strtotime('2022-01-01 12:00:00');
$timestamp2 = strtotime('2022-01-01 12:05:00');

$seconds_diff = $timestamp2 - $timestamp1;

echo $seconds_diff;

Keywords

PHP timestamps seconds calculation date and time

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