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<?php function solve($input) { foreach($input as $index => $element) { if($index > 1 && $element < $input[$index - 1]) { return array_merge([array_slice($input, 0, $index)], solve(array_slice($input, $index))); } } return [$input]; }

This is an error 500

Value for `_results` contains invalid data `array`


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