3v4l.org

run code in 200+ php & hhvm versions
<?php $number = 1346.21; var_dump(round($number)); var_dump(round($number, -1)); var_dump(round($number, -2)); var_dump(round($number, -3)); var_dump(round($number, -4));
based on J9Suf
Output for 4.3.0 - 5.6.40, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.3.5
float(1346) float(1350) float(1300) float(1000) float(0)