3v4l.org

run code in 300+ PHP versions simultaneously
<?php date_default_timezone_set("UTC"); echo "UTC:".time(); echo "<br>"; date_default_timezone_set("Europe/Helsinki"); echo "Europe/Helsinki:".time(); echo "<br>";
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 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 - 7.3.31, 7.4.0 - 7.4.25, 8.0.0 - 8.0.12
UTC:1635095983<br>Europe/Helsinki:1635095983<br>
preferences:
238.64 ms | 407 KiB | 334 Q