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<?php $input = ["start" => [/*"lat"=> 1.234,*/ "long"=>4.2134], "end" => ["lat"=>4.314, "long"=>51.341]]; $expectedInputStructure = ["start" => ["lat"=> 0, "long"=>0], "end" => ["lat"=>0, "long"=>0]]; var_dump(array_keys($input), $input); var_dump(array_diff_key($input, $expectedInputStructure));
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> string(5) "start" [1]=> string(3) "end" } array(2) { ["start"]=> array(1) { ["long"]=> float(4.2134) } ["end"]=> array(2) { ["lat"]=> float(4.314) ["long"]=> float(51.341) } } array(0) { }

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