3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function add ($v1,$v2) { $v[] = (string) $v1; $v[] = (string) $v2; foreach ($v as $val) { $match = array(); preg_match('/\.(\d*)/',$val,$match); if (isset($match[1])) { $dec[] = strlen($match[1]); } } if (!isset($dec)) $dec = array(0); var_dump($dec); echo '|'.max($dec)."|\n"; } add(10.756,10.98324534); add(10,10); add(10.756,10.9); add(10.756,10.); add(10.756,10); var_dump(bcadd(10.917,10)); var_dump(bcadd(10.917,10,0)); var_dump(bcadd(10.917,10,1)); var_dump(bcadd(10.917,10,2)); var_dump(bcadd(10.917,10,3)); var_dump(bcadd(10.917,10,4));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(2) { [0]=> int(3) [1]=> int(8) } |8| array(1) { [0]=> int(0) } |0| array(2) { [0]=> int(3) [1]=> int(1) } |3| array(1) { [0]=> int(3) } |3| array(1) { [0]=> int(3) } |3| string(2) "20" string(2) "20" string(4) "20.9" string(5) "20.91" string(6) "20.917" string(7) "20.9170"