3v4l.org

run code in 300+ PHP versions simultaneously
<?php function dateIntervalToSeconds($dateInterval) { $reference = new DateTimeImmutable; $endTime = $reference->add($dateInterval); return $endTime->getTimestamp() - $reference->getTimestamp(); } $duration = '1h1m1s'; $interval = new DateInterval('PT' . strtoupper($duration)); echo $duration, ' is ', dateIntervalToSeconds($interval), ' seconds';
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
1h1m1s is 3661 seconds
preferences:
101.59 ms | 1985 KiB | 4 Q