Declarar estandar caracteres por seguridad

Author: DavidDevGt

config/db.php

@@ -13,9 +13,13 @@ public function getConnection()
         $this->conn = null;
         try {
             $this->conn = new mysqli($this->host, $this->username, $this->password, $this->db_name);
+            
+            // Establecer el conjunto de caracteres.
+            $this->conn->set_charset("utf8mb4");
+
         } catch (Exception $exception) {
-            echo "Connection error: " . $exception->getMessage();
+            echo "Error de conexión: " . $exception->getMessage();
         }
         return $this->conn;
     }
-}
+}