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<?php |
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/** |
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* Class LP_Question_Multi_Choice |
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* |
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* @author ThimPress |
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* @package LearnPress/Classes |
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* @version 3.0.0 |
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* @extend LP_Question |
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*/ |
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|
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defined( 'ABSPATH' ) || exit(); |
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|
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if ( ! class_exists( 'LP_Question_Multi_Choice' ) ) { |
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/** |
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* Class LP_Question_Multi_Choice |
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*/ |
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class LP_Question_Multi_Choice extends LP_Question { |
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|
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/** |
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* Type of this question. |
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* |
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* @var string |
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*/ |
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public $_question_type = 'multi_choice'; |
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|
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/** |
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* LP_Question_Multi_Choice constructor. |
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* |
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* @param null $the_question |
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* @param null $options |
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* |
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* @throws Exception |
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*/ |
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public function __construct( $the_question = null, $options = null ) { |
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parent::__construct( $the_question, $options ); |
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} |
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|
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/** |
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* Allow check answer. |
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* |
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* @return bool |
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*/ |
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public function can_check_answer() { |
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return true; |
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} |
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|
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/** |
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* Check user answer. |
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* |
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* @param null $user_answer |
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* |
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* @return array |
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*/ |
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public function check( $user_answer = null ) { |
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$return = parent::check(); |
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settype( $user_answer, 'array' ); |
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$answers = $this->get_answers(); |
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|
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if ( $answers ) { |
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$correct = true; |
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foreach ( $answers as $key => $option ) { |
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$data = $option->get_data(); |
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$selected = $this->is_selected_option( $data, $user_answer ); |
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|
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if ( $selected && ! $option->is_true() ) { |
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$correct = false; |
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} elseif ( ! $selected && $option->is_true() ) { |
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$correct = false; |
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} |
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|
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// Only one option is selected wrong will wrong the answer. |
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if ( ! $correct ) { |
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break; |
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} |
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} |
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|
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if ( $correct ) { |
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$return = array( |
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'correct' => true, |
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'mark' => floatval( $this->get_mark() ), |
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); |
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} |
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} |
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|
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return $return; |
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} |
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} |
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} |
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|
