Fix incopatibility with php7.4

src/Carriers/Correios.php

@@ -99,7 +99,7 @@ public function calculate()
                 array_push($rates, $shippingRate);
 
             } catch (\Exception $exception) {
-
+                dd($exception);
             }
         }
 

src/Config/system.php

@@ -7,7 +7,7 @@
         'fields' => [
             [
                 'name' => 'title',
-                'title' => 'Title',
+                'title' => 'Título',
                 'type' => 'text',
                 'validation' => 'required',
                 'channel_based' => false,
@@ -148,16 +148,7 @@
             [
                 'name' => 'active',
                 'title' => 'Status',
-                'type' => 'select',
-                'options' => [
-                    [
-                        'title' => 'Active',
-                        'value' => true
-                    ], [
-                        'title' => 'Inactive',
-                        'value' => false
-                    ]
-                ],
+                'type' => 'boolean',
                 'validation' => 'required'
             ], [
                 'name' => 'default_method',

src/Helpers/Consult.php

@@ -135,7 +135,7 @@ public function carriers($data, $options = array())
                     'valor_declarado' => self::cleanMoney($rate->ValorValorDeclarado),
                     'entrega_domiciliar' => $rate->EntregaDomiciliar === 'S',
                     'entrega_sabado' => $rate->EntregaSabado === 'S',
-                    'erro' => array('codigo' => (real) $rate->Erro, 'mensagem' => (real) $rate->MsgErro),
+                    'erro' => array('codigo' => (integer) $rate->Erro, 'mensagem' => (string) $rate->MsgErro),
                 );
             }
 
@@ -176,7 +176,8 @@ public function postcode($postcode)
                         foreach ($children as $child) {
                             $innerHTML .= $child->ownerDocument->saveXML($child);
                         }
-                        $item[] = trim(preg_replace("/&#?[a-z0-9]+;/i", "", $innerHTML));
+                        $text = preg_replace("/&#?[a-z0-9]+;/i", "", $innerHTML);
+                        $itens[] = preg_replace(['(\s+)u', '(^\s|\s$)u'], [' ', ''], $text);
                     }
                     $data = [];
                     $data['address'] = trim($item[0], " \t\n\r\0\x0B\xc2\xa0");