3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function luhn($number) { settype($number, 'string'); $sumTable = array( array(0,1,2,3,4,5,6,7,8,9), array(0,2,4,6,8,1,3,5,7,9)); $sum = 0; $flip = 0; for ($i = strlen($number) - 1; $i >= 0; $i--) { $sum += $sumTable[$flip++ & 0x1][$number[$i]]; } return $sum % 10 === 0; } $arr = array(); foreach(range(0,120) as $num) { if ($num % 2 === 0) { $arr[] = $num; } } echo implode(' ,', $arr);
Output for 4.3.0 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
0 ,2 ,4 ,6 ,8 ,10 ,12 ,14 ,16 ,18 ,20 ,22 ,24 ,26 ,28 ,30 ,32 ,34 ,36 ,38 ,40 ,42 ,44 ,46 ,48 ,50 ,52 ,54 ,56 ,58 ,60 ,62 ,64 ,66 ,68 ,70 ,72 ,74 ,76 ,78 ,80 ,82 ,84 ,86 ,88 ,90 ,92 ,94 ,96 ,98 ,100 ,102 ,104 ,106 ,108 ,110 ,112 ,114 ,116 ,118 ,120