3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(round(4.5,2)); var_dump(round(4.4,2));
Output for 7.4.0 - 7.4.30, 8.0.1 - 8.0.23, 8.1.0 - 8.1.10, 8.2rc1
float(4.5) float(4.4)

preferences:
17.29 ms | 409 KiB | 5 Q