Online PHP editor | perf for d3Rq1

<?php if (!date_default_timezone_set('Europe/Amsterdam')) { throw new Exception('Timezone Europe/Amsterdam does not exist?'); } echo 'Default timezone: '.date_default_timezone_get().PHP_EOL; var_dump(new DateTimeZone(date_default_timezone_get())); $someTimestamp = strtotime('2026-07-03 14:22:17'); echo '--- date'.PHP_EOL; echo date('Y-m-d H:i:s', $someTimestamp).PHP_EOL; echo '--- DateTimeImmutable::createFromTimestamp() defaults to UTC timezone'.PHP_EOL; $dt = DateTimeImmutable::createFromTimestamp($someTimestamp); echo $dt->format('Y-m-d H:i:s').PHP_EOL; var_dump($dt->getTimezone()); echo '--- DateTimeImmutable::createFromTimestamp() workaround for current timezone'.PHP_EOL; $dt = DateTimeImmutable::createFromTimestamp($someTimestamp)->setTimezone(new DateTimeZone(date_default_timezone_get())); echo $dt->format('Y-m-d H:i:s').PHP_EOL; var_dump($dt->getTimezone());

Version	System time (s)	User time (s)	Memory (MiB)
8.5.8	0.007	0.009	18.90
8.5.7	0.013	0.006	16.81
8.5.6	0.004	0.004	18.84
8.4.23	0.012	0.003	19.59
8.4.22	0.008	0.003	21.43
8.4.9	0.004	0.006	19.74
8.3.32	0.009	0.007	18.91
8.3.18	0.006	0.002	18.77
8.3.5	0.007	0.001	18.74
8.2.32	0.008	0.011	18.35