%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* Class LP_Question_Multi_Choice
*
* @author ThimPress
* @package LearnPress/Classes
* @version 3.0.0
* @extend LP_Question
*/
/**
* Prevent loading this file directly
*/
defined( 'ABSPATH' ) || exit();
if ( ! class_exists( 'LP_Question_Multi_Choice' ) ) {
/**
* Class LP_Question_Multi_Choice
*/
class LP_Question_Multi_Choice extends LP_Question {
/**
* Type of this question.
*
* @var string
*/
public $_question_type = 'multi_choice';
/**
* LP_Question_Multi_Choice constructor.
*
* @param null $the_question
* @param null $options
*
* @throws Exception
*/
public function __construct( $the_question = null, $options = null ) {
parent::__construct( $the_question, $options );
}
/**
* Allow check answer.
*
* @return bool
*/
public function can_check_answer() {
return true;
}
/**
* Check user answer.
*
* @param null $user_answer
*
* @return array
*/
public function check( $user_answer = null ) {
$return = parent::check();
settype( $user_answer, 'array' );
if ( $answers = $this->get_answers() ) {
$correct = true;
foreach ( $answers as $key => $option ) {
$selected = $this->is_selected_option( $option, $user_answer );
// If the option is FALSE but user selected => WRONG
if ( $selected && ! $option->is_true() ) {
$correct = false;
} // If option is TRUE but user did not select => WRONG
elseif ( ! $selected && $option->is_true() ) {
$correct = false;
}
// Only one option is selected wrong
if ( ! $correct ) {
break;
}
}
if ( $correct ) {
$return = array(
'correct' => true,
'mark' => floatval( $this->get_mark() )
);
}
}
return $return;
}
}
}
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