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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(round(10.9050, 2, PHP_ROUND_HALF_DOWN));
Output for 5.3.0 - 7.1.10
float(10.9)
Output for 4.3.0 - 5.2.17
Notice: Use of undefined constant PHP_ROUND_HALF_DOWN - assumed 'PHP_ROUND_HALF_DOWN' in /in/bTZeG on line 2 Warning: Wrong parameter count for round() in /in/bTZeG on line 2 NULL