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run code in 200+ php & hhvm versions
Bugs & Features
<?php function arraysSum(array ...$arrays): array { return array_map(function(array $array): int { return array_sum($array); }, $arrays); } print_r(arraysSum([1,2,3], [4,5,6], [7,8,9])); ?>
Output for 7.0.0 - 7.2.0
Array ( [0] => 6 [1] => 15 [2] => 24 )
Output for 5.6.8 - 5.6.28
Parse error: syntax error, unexpected ':', expecting '{' in /in/3ErJ4 on line 3
Process exited with code 255.
Output for 5.4.11 - 5.5.35
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/3ErJ4 on line 3
Process exited with code 255.
Output for 5.3.21 - 5.3.29
Parse error: syntax error, unexpected '.', expecting '&' or T_VARIABLE in /in/3ErJ4 on line 3
Process exited with code 255.