3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php for ($x=1;$x<24;$x++) { #var_dump($x / 2); $bla= round($x /2,2,PHP_ROUND_HALF_UP); echo $bla."\n"; }
based on 5vUXp
Output for 5.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5
Output for hhvm-3.10.0

Process exited with code 137.
Output for 4.3.0 - 5.2.17
Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5 Notice: Use of undefined constant PHP_ROUND_HALF_UP - assumed 'PHP_ROUND_HALF_UP' in /in/i6nPG on line 5 Warning: Wrong parameter count for round() in /in/i6nPG on line 5