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<?php $source_arr = ["Car" => "Volvo", "City" => "Stockholm", "Country" => "Sweden"]; $new_arr = []; array_push( $new_arr, ...key_exists("Car", $source_arr) ? [$source_arr["Car"]] : [], ...key_exists("State", $source_arr) ? [$source_arr["State"]] : [] ); var_export($new_arr);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => 'Volvo', )

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