public function __construct($slider_id)
{
// build the slider as a normal Enp_quiz_Slider to fill in the slider object
parent::__construct($slider_id);
// if it's not found, just return false
if ($slider_id === false) {
return false;
}
// get the results and add them to the object
$this->get_slider_results($slider_id);
}
/**
* Checks if the response is valid or not
* @param $response = submitted response
* @return (mixed) 'invalid' if not valid, Enp_quiz_Slider object if valid
*/
protected function validate_slider_response($response)
{
// validate that this ID is attached to this question
$question = new Enp_quiz_Question($response['question_id']);
$slider_id = $question->get_slider();
$slider = new Enp_quiz_Slider($slider_id);
// set it up for future use
self::$slider = $slider;
// see if their response is within the range
$slider_response = (double) $response['question_response'];
$slider_range_low = (double) $slider->get_slider_range_low();
$slider_range_high = (double) $slider->get_slider_range_high();
if ($slider_range_low <= $slider_response && $slider_response <= $slider_range_high) {
// it's valid!
$valid = true;
} else {
$valid = false;
}
return $valid;
}
