Online PHP editor | output for eO9KE

@ 2017-02-28T14:45:55Z

<?php

//set timezone to UTC to disregard daylight savings
ini_set('date.timezone', 'America/New_York'); 
$date1 = new \DateTime('2006-01-01T12:00:00');
$date2 = new \DateTime('2006-06-01T12:00:00');
$interval = new \DateInterval('PT1H');

$periods = new \DatePeriod($date1, $interval, $date2);
$hours = iterator_count($periods);
echo $hours . ' hours';

Output for 5.6.38 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: 3623 hours
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 3623 hours

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