Diferenças de Estrutura

Array
(
    [only_in_first] => Array
        (
            [0] => POC
            [1] => POC2
            [2] => REQUISICOES_API_ARQUIVOS_POC
            [3] => REQUISICOES_API_POC
            [4] => erros
            [5] => portos_inport
        )

    [only_in_second] => Array
        (
        )

    [different] => Array
        (
            [EMPRESA_DESCONTO] => Array
                (
                    [only_in_first] => Array
                        (
                            [ID_EMPRESA] => Array
                                (
                                    [type] => int(11)
                                    [null] => NO
                                    [key] => MUL
                                    [default] => 
                                    [extra] => 
                                )

                            [ID_OPERACAO] => Array
                                (
                                    [type] => int(11)
                                    [null] => NO
                                    [key] => 
                                    [default] => 
                                    [extra] => 
                                )

                        )

                    [only_in_second] => Array
                        (
                            [EMPRESA_ID] => Array
                                (
                                    [type] => int(11)
                                    [null] => NO
                                    [key] => MUL
                                    [default] => 
                                    [extra] => 
                                )

                            [AGENCIA] => Array
                                (
                                    [type] => varchar(200)
                                    [null] => NO
                                    [key] => 
                                    [default] => 
                                    [extra] => 
                                )

                            [OPERACAO] => Array
                                (
                                    [type] => enum('Tramp','Liner')
                                    [null] => NO
                                    [key] => 
                                    [default] => 
                                    [extra] => 
                                )

                            [TIPO] => Array
                                (
                                    [type] => enum('Nota','Boleto')
                                    [null] => NO
                                    [key] => 
                                    [default] => 
                                    [extra] => 
                                )

                            [SNRETIDO] => Array
                                (
                                    [type] => enum('S','N')
                                    [null] => NO
                                    [key] => 
                                    [default] => 
                                    [extra] => 
                                )

                        )

                    [different] => Array
                        (
                        )

                )

            [REQUISICAO] => Array
                (
                    [only_in_first] => Array
                        (
                        )

                    [only_in_second] => Array
                        (
                            [PARCEIRO_ID] => Array
                                (
                                    [type] => int(11)
                                    [null] => YES
                                    [key] => 
                                    [default] => 
                                    [extra] => 
                                )

                        )

                    [different] => Array
                        (
                        )

                )

            [certificados_internacionais] => Array
                (
                    [only_in_first] => Array
                        (
                        )

                    [only_in_second] => Array
                        (
                            [expiration_date] => Array
                                (
                                    [type] => date
                                    [null] => YES
                                    [key] => 
                                    [default] => 
                                    [extra] => 
                                )

                        )

                    [different] => Array
                        (
                        )

                )

        )

)