3v4l.org

run code in 500+ PHP versions simultaneously
<?php var_dump(timezone_name_from_abbr("", 0, -1)); var_dump(timezone_name_from_abbr("", 0, 0)); var_dump(timezone_name_from_abbr("", 0, 1));
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 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 - 8.2.32, 8.3.0 - 8.3.33, 8.4.1 - 8.4.24, 8.5.0 - 8.5.9
bool(false) string(13) "Europe/London" string(15) "Atlantic/Azores"
preferences:
108.44 ms | 2014 KiB | 4 Q