3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump([NAN] === [NAN]); $arr = [NAN]; $barr = [NAN]; var_dump($barr === $arr);
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 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 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
bool(false) bool(false)
preferences:
281.43 ms | 1732 KiB | 4 Q