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<?php $arr = [1 => "As", 3 => "asdf"]; $aras = array_fill_keys([2,4,5], array()); $asrr = [2 => [], 3 => "ASdasfas"]; print_r($arr + $asrr); print_r($aras);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [1] => As [3] => asdf [2] => Array ( ) ) Array ( [2] => Array ( ) [4] => Array ( ) [5] => Array ( ) )

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