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<?php $mapping = [ "AccountId" => "id", "Street" => "street_name", "Country" => "country", "Contacts" => "contacts", "Id" => "contact_id", "Name" => "name" ]; $input2 = [ "AccountId" => "18", "Street" => "Some Street 123", "Country" => "England", "Contacts" => [ [ "Id" => "1234", "Name" => "John Doe" ] ] ]; function mapArray($mapping, $input) { foreach ($mapping as $from => $to) { if (array_key_exists($from, $input)) { if (is_array($input[$from])) { $output[$to] = mapArray($mapping, $input[$from]); } $output[$to] = $input[$from]; } } return $output; } $output2 = mapArray($mapping, $input2); var_dump($output2);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined variable $output in /in/tuPU5 on line 33 array(4) { ["id"]=> string(2) "18" ["street_name"]=> string(15) "Some Street 123" ["country"]=> string(7) "England" ["contacts"]=> array(1) { [0]=> array(2) { ["Id"]=> string(4) "1234" ["Name"]=> string(8) "John Doe" } } }
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: output in /in/tuPU5 on line 33 array(4) { ["id"]=> string(2) "18" ["street_name"]=> string(15) "Some Street 123" ["country"]=> string(7) "England" ["contacts"]=> array(1) { [0]=> array(2) { ["Id"]=> string(4) "1234" ["Name"]=> string(8) "John Doe" } } }
Output for 7.3.32 - 7.3.33
array(4) { ["id"]=> string(2) "18" ["street_name"]=> string(15) "Some Street 123" ["country"]=> string(7) "England" ["contacts"]=> array(1) { [0]=> array(2) { ["Id"]=> string(4) "1234" ["Name"]=> string(8) "John Doe" } } }

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