fix: insert vales with single quotes

BancaDati/BancaDati.php

@@ -44,17 +44,19 @@ class BancaDati {
         $value = "";
         $column = "";
         foreach ($values as $col => $v){
-            $value .=  $v . ",";
+            $value .=  "'" . $v . "'" . ",";
             $column .= $col . ",";
         }
         $value = trim($value, ",");
         $column = trim($column, ",");
 
         $sql = "INSERT INTO $table ($column) VALUES ($value);";
+        var_dump($sql);
         try {
             $sth = $this->pdo->prepare($sql);
             $sth->execute();
         }catch (PDOException $e){
+            var_dump($e);
             die;
         }
     }