3v4l.org

run code in 300+ PHP versions simultaneously
<?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; $digit++) { $result[] = array_merge([$digit], getCombinedSum($digits-1, $sum-$digit)); } return $result; } var_dump(getCombinedSum(3, 4));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught InvalidArgumentException: Invalid numeric format in /in/bPoRm:7 Stack trace: #0 /in/bPoRm(20): getCombinedSum(1, -1) #1 /in/bPoRm(20): getCombinedSum(2, 4) #2 /in/bPoRm(26): getCombinedSum(3, 4) #3 {main} thrown in /in/bPoRm on line 7
Process exited with code 255.

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
53.2 ms | 401 KiB | 8 Q