It would be "really nice" if that function could be updated to log the issue rather than simply displaying it, i.e. changing the 1.5.5a version from:
Code:
  function getBindVarValue($value, $type) {
    $typeArray = explode(':',$type);
    $type = $typeArray[0];
    switch ($type) {
      case 'csv':
        return $value;
      break;
      case 'passthru':
        return $value;
      break;
      case 'float':
        return (!zen_not_null($value) || $value=='' || $value == 0) ? 0 : $value;
      break;
      case 'integer':
        return (int)$value;
      break;
      case 'string':
        if (preg_match('/NULL/', $value)) return 'null';
        return '\'' . $this->prepare_input($value) . '\'';
      break;
      case 'stringIgnoreNull':
        return '\'' . $this->prepare_input($value) . '\'';
        break;
      case 'noquotestring':
        return $this->prepare_input($value);
      break;
      case 'currency':
        return '\'' . $this->prepare_input($value) . '\'';
      break;
      case 'date':
        if (preg_match('/null/i', $value)) return 'null';
        return '\'' . $this->prepare_input($value) . '\'';
      break;
      case 'enum':
        if (isset($typeArray[1])) {
          $enumArray = explode('|', $typeArray[1]);
        }
        return '\'' . $this->prepare_input($value) . '\'';
      case 'regexp':
        $searchArray = array('[', ']', '(', ')', '{', '}', '|', '*', '?', '.', '$', '^');
        foreach ($searchArray as $searchTerm) {
          $value = str_replace($searchTerm, '\\' . $searchTerm, $value);
        }
        return $this->prepare_input($value);
      default:
      die('var-type undefined: ' . $type . '('.$value.')');
    }
  }
to
Code:
  function getBindVarValue($value, $type) {
    $typeArray = explode(':',$type);
    $type = $typeArray[0];
    switch ($type) {
      case 'csv':
        return $value;
      break;
      case 'passthru':
        return $value;
      break;
      case 'float':
        return (!zen_not_null($value) || $value=='' || $value == 0) ? 0 : $value;
      break;
      case 'integer':
        return (int)$value;
      break;
      case 'string':
        if (preg_match('/NULL/', $value)) return 'null';
        return '\'' . $this->prepare_input($value) . '\'';
      break;
      case 'stringIgnoreNull':
        return '\'' . $this->prepare_input($value) . '\'';
        break;
      case 'noquotestring':
        return $this->prepare_input($value);
      break;
      case 'currency':
        return '\'' . $this->prepare_input($value) . '\'';
      break;
      case 'date':
        if (preg_match('/null/i', $value)) return 'null';
        return '\'' . $this->prepare_input($value) . '\'';
      break;
      case 'enum':
        if (isset($typeArray[1])) {
          $enumArray = explode('|', $typeArray[1]);
        }
        return '\'' . $this->prepare_input($value) . '\'';
      case 'regexp':
        $searchArray = array('[', ']', '(', ')', '{', '}', '|', '*', '?', '.', '$', '^');
        foreach ($searchArray as $searchTerm) {
          $value = str_replace($searchTerm, '\\' . $searchTerm, $value);
        }
        return $this->prepare_input($value);
      default:
      trigger_error ("var-type undefined: $type ($value).", E_USER_ERROR);
    }
  }