3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(round(1.50000000000001, 0, PHP_ROUND_HALF_DOWN)); var_dump(round(1.500000000000001, 0, PHP_ROUND_HALF_DOWN));
Output for 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
float(2) float(2)
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30
float(2) float(1)
preferences:
71.85 ms | 1098 KiB | 4 Q