Correção atualizada para calculo de frete no carrinho WC

cart.ajax.php

//CART SHIPMENT CALCULATE TO HIT CEP
    case 'cart_shipment':
        $CartTotal = 0;
        $HeightTotal = 0;
        $WidthTotal = 0;
        $DepthTotal = 0;
        $WeightTotal = 0;
        $AmountTotal = 0;
        $dimensoes = array();

        foreach ($_SESSION['wc_order'] as $ItemId => $ItemAmount):

            $Read->ExeRead(DB_PDT, "WHERE pdt_id = (SELECT pdt_id FROM " . DB_PDT_STOCK . " WHERE stock_id = :id)", "id={$ItemId}");
            if (!$Read->getResult()):
                unset($_SESSION['wc_order'][$ItemId]);
            else:
                extract($Read->getResult()[0]);

                $CartTotal += ($pdt_offer_price && $pdt_offer_start <= date('Y-m-d H:i:s') && $pdt_offer_end >= date('Y-m-d H:i:s') ? $pdt_offer_price : $pdt_price) * $ItemAmount;
                $AmountTotal += $ItemAmount;

                $dimensoes[] = [
                    "altura" => $pdt_dimension_heigth,
                    "largura" => $pdt_dimension_width,
                    "comprimento" => $pdt_dimension_depth,
                    "peso" => $pdt_dimension_weight,
                    "itens" => $ItemAmount
                ];

            endif;
        endforeach;

        $menoresDimensoes = array();
        $altura = 0;
        $largura = 0;
        $comprimento = 0;
        $volume_total = 0;
        $pesoTotal = 0;
        foreach ($dimensoes as $key => $item):
            $menor = [$item['altura'], $item['largura'], $item['comprimento']];
            sort($menor);
            $menoresDimensoes[] = intval($menor[0] * $item['itens']);

            if (intval($item['largura'] * $item['itens']) > $largura):
                $largura = intval($item['largura'] * $item['itens']);
            endif;

            if (intval($item['comprimento'] * $item['itens']) > $comprimento):
                $comprimento = intval($item['comprimento'] * $item['itens']);
            endif;

            $pesoTotal += $item['peso'] * $item['itens'];
        endforeach;

        $altura = array_sum($menoresDimensoes);
        $volume_total = $altura + $largura + $comprimento;

        $CartTotalShip = number_format($CartTotal, '2', ',', '');

        $url = 'http://ws.correios.com.br/calculador/CalcPrecoPrazo.aspx';
        $jSON['cart_shipment'] = null;
        $serviceCodes = explode(",", ECOMMERCE_SHIPMENT_SERVICE);

        foreach ($serviceCodes as $key => $code) :
            $data = array();

            $data['sDsSenha'] = (!empty(ECOMMERCE_SHIPMENT_CDSENHA) ? ECOMMERCE_SHIPMENT_CDSENHA : "");
            $data['nCdEmpresa'] = "";
            $data['sCepOrigem'] = str_replace('-', '', SITE_ADDR_ZIP);
            $data['sCepDestino'] = str_replace('-', '', $POST['zipcode']);
            $data['nVlPeso'] = floatval($pesoTotal / 1000);
            $data['nCdFormato'] = ECOMMERCE_SHIPMENT_FORMAT;
            $data['nVlComprimento'] = (ECOMMERCE_SHIPMENT_BY_WEIGHT ? 16 : ($comprimento >= 16 ? $comprimento : 16));
            $data['nVlAltura'] = (ECOMMERCE_SHIPMENT_BY_WEIGHT ? 2 : ($altura >= 2 ? $altura : 2));
            $data['nVlLargura'] = (ECOMMERCE_SHIPMENT_BY_WEIGHT ? 11 : ($largura >= 11 ? $largura : 11));
            $data['nVlDiametro'] = '0';
            $data['sCdMaoPropria'] = (ECOMMERCE_SHIPMENT_OWN_HAND == 1 || ECOMMERCE_SHIPMENT_OWN_HAND == 's' ? 's' : 'n');
            $data['nVlValorDeclarado'] = (ECOMMERCE_SHIPMENT_DECLARE ? $CartTotalShip : '0');
            $data['sCdAvisoRecebimento'] = (ECOMMERCE_SHIPMENT_ALERT ? 's' : 'n');
            $data['StrRetorno'] = 'xml';
            $data['nCdServico'] = $code;

            $query = http_build_query($data);

            $curl = curl_init($url . '?' . $query);
            curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
            $result = curl_exec($curl);
            $resultXml = simplexml_load_string($result);

            foreach ($resultXml->cServico as $row):
                if (!empty($row->Valor) && $row->Valor != '0,00'):
                    $jSON['cart_shipment'] .= "<label class='shiptag'><input required class='wc_shipment' name='shipment' value='" . str_replace(',', '.', $row->Valor) . "' type='radio' id='{$row->Codigo}'/> " . getShipmentTag(intval($row->Codigo)) . ": 01 a " . str_pad($row->PrazoEntrega + ECOMMERCE_SHIPMENT_DELAY, 2, 0, 0) . " dias úteis - R$ {$row->Valor}</label>";
                endif;
            endforeach;

            if (!empty($row->Erro) && $row->Erro == '-3'):
                $jSON['trigger'] = AjaxErro("<b>OPPSSS:</b> O CEP digitado não foi encontrado na base dos correios. Confira isso :)", E_USER_WARNING);
                $jSON['reset'] = true;
                $ErroZip = true;
                unset($_SESSION['wc_shipment'], $_SESSION['wc_shipment_zip']);
                break;
            endif;
        endforeach;

        $CompanyPrice = $CartTotal * (ECOMMERCE_SHIPMENT_COMPANY_VAL / 100);
        if (ECOMMERCE_SHIPMENT_COMPANY && $CompanyPrice >= ECOMMERCE_SHIPMENT_COMPANY_PRICE && empty($ErroZip)):
            $jSON['cart_shipment'] .= "<label class='shiptag'><input required class='wc_shipment' name='shipment' value='{$CompanyPrice}' type='radio' id='10001'/> Envio Padrão: 01 a " . str_pad(ECOMMERCE_SHIPMENT_DELAY + ECOMMERCE_SHIPMENT_COMPANY_DAYS, 2, 0, 0) . " dias úteis - R$ " . number_format($CompanyPrice, '2', ',', '.') . "</label>";
        endif;

        $CartPrice = (empty($_SESSION['wc_cupom']) ? $CartTotal : $CartTotal * ((100 - $_SESSION['wc_cupom']) / 100));
        if (ECOMMERCE_SHIPMENT_FREE && $CartPrice > ECOMMERCE_SHIPMENT_FREE && empty($ErroZip)):
            $jSON['cart_shipment'] .= "<label class='shiptag'><input required class='wc_shipment' name='shipment' value='0' type='radio' id='10002'/> Envio Gratuito: 01 a " . str_pad(ECOMMERCE_SHIPMENT_DELAY + ECOMMERCE_SHIPMENT_FREE_DAYS, 2, 0, 0) . " dias úteis - R$ 0,00</label>";
        endif;

        if (ECOMMERCE_SHIPMENT_FIXED):
            $jSON['cart_shipment'] .= "<label class='shiptag'><input required class='wc_shipment' name='shipment' value='" . ECOMMERCE_SHIPMENT_FIXED_PRICE . "' type='radio' id='10003'/> Frete Fixo: 01 a " . str_pad(ECOMMERCE_SHIPMENT_DELAY + ECOMMERCE_SHIPMENT_FIXED_DAYS, 2, 0, 0) . " dias úteis - R$ " . number_format(ECOMMERCE_SHIPMENT_FIXED_PRICE, 2, ',', '.') . "</label>";
        endif;

        if (ECOMMERCE_SHIPMENT_LOCAL):

            if (ECOMMERCE_SHIPMENT_LOCAL_PRICE):
                $ECOMMERCE_SHIPMENT_LOCAL = explode(",", ECOMMERCE_SHIPMENT_LOCAL);
                $City = json_decode(file_get_contents("https://viacep.com.br/ws/" . str_replace('-', '', $POST['zipcode']) . "/json/"));
                if (!empty($City) && !empty($City->localidade) && strstr(ECOMMERCE_SHIPMENT_LOCAL, $City->localidade)):
                    $jSON['cart_shipment'] .= "<li><label><input type='radio' name='shipment' value='" . ECOMMERCE_SHIPMENT_LOCAL_PRICE . "' id='10004'><span>Taxa de entrega: R$ " . number_format(ECOMMERCE_SHIPMENT_LOCAL_PRICE, 2, ',', '.') . "</span></label></li>";
                endif;
            endif;

            $cidade_retirar = array_map("trim", explode(",", ECOMMERCE_SHIPMENT_LOCAL));
            $City = json_decode(file_get_contents("https://viacep.com.br/ws/" . str_replace('-', '', $POST['zipcode']) . "/json/"));

            if (ECOMMERCE_SHIPMENT_LOCAL_IN_PLACE && !empty($City->localidade) && in_array(trim($City->localidade), $cidade_retirar)):
                $jSON['cart_shipment'] .= "<label class='shiptag'><input required class='wc_shipment' name='shipment' value='0' type='radio' id='10005'/> Retirar na Loja: R$ 0,00</label>";
            endif;
        endif;

        if (empty($jSON['cart_shipment']) && empty($ErroZip)):
            $jSON['trigger'] = AjaxErro("<b>OPPSSS:</b> As dimensões totais do seu carrinho são maiores que as permitidas pelos correios. Por favor, tente remover alguns itens e calcule novamente o frete. Caso o erro persista você pode dividir o seu carrinho executando dois pedidos separados ou entrar em contato com a gente para tentarmos enviar por outro meio.</p><p>Fone: " . SITE_ADDR_PHONE_A . "<br>E-mail: " . SITE_ADDR_EMAIL . "</p>", E_USER_WARNING);
        elseif (empty($ErroZip)):
            $_SESSION['wc_shipment_zip'] = $POST['zipcode'];
        endif;
        break;

Boa!

Vlw :)

ObrIgado

Opa, blz? estou tendo o seguinte erro utilizando o padrão do wc:
Erro na Linha: #162 :: Undefined variable: pdt_dimension_height
/home/caramell/public_html/_cdn/widgets/ecommerce/cart.ajax.php
{"H":0,"cart_shipment":" Taxa de entrega: R$ 15,00</label> Retirar na Loja: R$ 0,00</label>"}

Alguma correção do seguinte erro Linha: #162 :: Undefined variable: pdt_dimension_height
/home/caramell/public_html/_cdn/widgets/ecommerce/cart.ajax.php
{"H":0,"cart_shipment":" Taxa de entrega: R$ 15,00 Retirar na Loja: R$ 0,00"}?