3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function getCombinedSum($digits, $sum) { if(!is_int($digits) || !is_int($sum) || $digits<1 || $sum<0) { throw new InvalidArgumentException('Invalid numeric format'); } if($sum>9*$digits) { throw new LogicException('Sum out of range'); } if($digits==1) { return [$sum]; } $result = []; for($digit=0; $digit<10 && $sum-$digit>0; $digit++) { foreach(getCombinedSum($digits-1, $sum-$digit) as $subsum) { $result[] = $digit.$subsum; $result[] = $subsum.$digit; } } return array_unique($result); } var_dump(getCombinedSum(3, 30));
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught LogicException: Sum out of range in /in/KD58f:11 Stack trace: #0 /in/KD58f(30): getCombinedSum(3, 30) #1 {main} thrown in /in/KD58f on line 11
Process exited with code 255.
Output for 5.4.0 - 5.6.28
Fatal error: Uncaught exception 'LogicException' with message 'Sum out of range' in /in/KD58f:11 Stack trace: #0 /in/KD58f(30): getCombinedSum(3, 30) #1 {main} thrown in /in/KD58f on line 11
Process exited with code 255.
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/KD58f on line 15
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/KD58f on line 15
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_NEW in /in/KD58f on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_NEW in /in/KD58f on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/KD58f on line 7
Process exited with code 255.