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 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
float(4.5) float(4.4)
preferences:
130.63 ms | 402 KiB | 121 Q