src/Controller.php
protected function input($key = null, $defaultValue = null)
    {
        return is_null($key) ? $_REQUEST : fnGet($_REQUEST, $key, $defaultValue);
    }
protected function input($key = null, $defaultValue = null)
    {
        return is_null($key) ? $_REQUEST : fnGet($_REQUEST, $key, $defaultValue);
    }
protected function input ( $ key = null , $ defaultValue = null ) { return is_null ( $ key ) ? $ _REQUEST : fnGet ( $ _REQUEST , $ key , $ defaultValue ) ; }
Get input from request

@param string $key
@param mixed  $defaultValue
@return mixed
Get input from request