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run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = Array ( [0] => Array ( [1] => 2 ), [1] => Array ( [1] => 2 ), [2] => Array ( [2] => 1 ),` [3] => Array ( [3] => 1 ) ); array_reduce($arr, function(&$current, $item) { foreach ($item as $key => $value) { if (!isset($current[$key])) { $current[$key] = 0; } $current[$key] += $value; } return $current; }, []);
Output for 5.4.0 - 5.4.26
Parse error: syntax error, unexpected end of file, expecting '`' in /in/4oLuA on line 35
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.28
Parse error: syntax error, unexpected '[', expecting ')' in /in/4oLuA on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/4oLuA on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/4oLuA on line 5
Process exited with code 255.