/** * Gets value of the field from $_REQUEST or $_SESSION (is some REQUEST values * needs to be stored by scenario). Also it takes values from $_GET or $_POST * separately if second parameter is passed. * * @param mixed $fieldName String name of the field or complex hierarchy name. * @param string $source Http::GET or Http::POST constant. * * @return mixed Value of the field, NULL otherwise. */ public static function getFieldValue($fieldName, $source = null) { $value = null; try { switch ($source) { case Http::GET: $value = Naming::getValueByComplexName($_GET, $fieldName); break; case Http::POST: $value = Naming::getValueByComplexName($_POST, $fieldName); break; default: $value = Naming::getValueByComplexName($_REQUEST, $fieldName); } } catch (\Exception $ex) { try { if (Session::exists('_post')) { $value = Naming::getValueByComplexName(Session::get('_post'), $fieldName); } } catch (\Exception $ex) { return null; } } if (!is_null($value)) { if (is_array($value)) { return $value; } elseif (is_int($value)) { return intval($value); } return $value; } return null; }