3v4l.org

run code in 300+ PHP versions simultaneously
<?php $result = 7; var_dump(round($result/2, 0, PHP_ROUND_HALF_DOWN));
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.26, 8.2.0 - 8.2.13, 8.3.0
float(3)
preferences:
109.29 ms | 403 KiB | 140 Q