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<?php $arr = [ [[58 => 32]], [[58 => 34]], [[57 => 26]], [[57 => 27]], [[56 => 16]], [[56 => 17]] ]; array_walk_recursive($arr, function($v,$k) use (&$r){ $r[$k] = isset($r[$k]) ? ($r[$k]+$v) : $v; }); print_r($r);
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Array ( [58] => 66 [57] => 53 [56] => 33 )
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