3v4l.org

run code in 500+ PHP versions simultaneously
<?php var_dump(INF, NAN); var_dump((float) INF, (float) NAN); var_dump((string) INF, (string) NAN);
Output for 8.5.0 - 8.5.3
float(INF) float(NAN) float(INF) float(NAN) Warning: unexpected NAN value was coerced to string in /in/efucd on line 5 string(3) "INF" string(3) "NAN"
Output for 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18
float(INF) float(NAN) float(INF) float(NAN) string(3) "INF" string(3) "NAN"
preferences:
45.83 ms | 840 KiB | 4 Q