<div class="col-md-12 col-xs-11">
    <div class="page-header">
        <h4 align="center"><strong>Relatório de Receitas</strong></h4>
    </div>
    <form action="<?= base_url() ?>receita/pagas" method="post">
        <div class="row">
            <div class="col-md-4 col-md-offset-5" >
                <label>Data do recebimento entre:</label>
            </div>
        </div>
        <div class="row">
            <div class="col-md-2 col-md-offset-4" >
                <div id="datepicker1" class="input-group date" data-date-format="dd-mm-yyyy">
                    <input id="dtrecinicio" class="form-control" type="text" name="dtrecinicio" required>
                    <span class="input-group-addon"><i class="glyphicon glyphicon-calendar"></i></span>
                </div>
                <script type="text/javascript">
                    $(function () {
                        $("#datepicker1").datepicker({
                            autoclose: true,
                            todayHighlight: true,
                            language: "pt-BR"
                        }).dtrecinicio('update', new Date());
                    });
                </script>
            </div>
            <div class="col-md-1">
                <label>E</label>
            </div>
            <div class="col-md-2">
                <div id="datepicker2" class="input-group date" data-date-format="dd-mm-yyyy">
                    <input id="dtrecfim" class="form-control" type="text" name="dtrecfim" required>
                    <span class="input-group-addon"><i class="glyphicon glyphicon-calendar"></i></span>
                </div>
                <script type="text/javascript">
                    $(function () {
                        $("#datepicker2").datepicker({
                            autoclose: true,
                            todayHighlight: true,
                            language: "pt-BR"
                        }).dtrecfim('update', new Date());
                    });
                </script>
            </div>
        </div>
        <br>
        <br>
        <div class="row">
            <div class="col-md-10 col-xs-12">
                <div class="col-md-3 col-md-offset-6">
                    <div class="form-group">
                        <button class="btn btn-md btn-primary btn-block" type="submit">GERAR</button>
                    </div>
                </div>
            </div>
        </div>
        <div class="row">
            <div class="col-md-10 col-xs-12">
                <div class="col-md-3 col-md-offset-6">
                    <div class="form-group">
                        <a class="btn btn-md btn-default btn-block hidden-print" href="<?= base_url(); ?>">CANCELAR</a>
                    </div>
                </div>
            </div>
        </div>
    </form>
</div>

function get_receitas_like() {
        $inicio = $this->input->post('dtrecinicio');
        $fim = $this->input->post('dtrecfim');
//        $this->db->select('*');
        $this->db->select_sum("valor_receita");

        $this->db->where('dtrecebimento' >= $inicio);
        $this->db->where('dtrecebimento' <= $fim);
//        $this->db->where('dtrecebimento' BETWEEN  AND $dtrecebimento2');
//        $this->db->where('dtrecebimento', $termo);
        return $this->db->get('receitas')->result();
    }

<div class="row">
        <div class="col-md-12">
            <p align="center"><font  size="3" face="helvetica"><u><strong>RELATÓRIO - RECEITAS</strong></u></font></p>
        </div>
    </div>
    <div class="row">
        <div class="col-md-5 col-md-offset-4 col-xs-12">
            <div class="table-responsive">
                <table class="table table-striped">
                    <tr class="row">
                        <td><strong>Valor total recebido no período selecionado:</strong> R$ <?php echo number_format($receitas[0]->valor_receita,2,",","."); ?></td>
                    </tr>
                    <tr class="row">
                        <td></td>
                        <td></td>
                    </tr>
                </table>
            </div>
        </div>
    </div>