3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo round(34.786,2,PHP_ROUND_HALF_DOWN);
based on B04KT
Output for 5.3.0 - 7.2.0
34.79
Output for 4.3.0 - 5.2.17
Notice: Use of undefined constant PHP_ROUND_HALF_DOWN - assumed 'PHP_ROUND_HALF_DOWN' in /in/K3SSo on line 3 Warning: Wrong parameter count for round() in /in/K3SSo on line 3