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<?php /** * LearnDash Quiz and Question related functions. * * @package LearnDash * @subpackage Quiz / /* * Get a Quiz Pro's quiz ID * * @todo purpose of this function and how quiz pro id's relate to quizzes * * @since 2.1.0 * * @param int $quiz_pro_id quiz pro id. * @return int quiz post id / function learndash_get_quiz_id_by_pro_quiz_id( $quiz_pro_id = 0 ) { global $wpdb; global $learndash_shortcode_atts; static $quiz_post_ids = array(); if ( empty( $quiz_pro_id ) ) { return; } $quiz_pro_id = absint( $quiz_pro_id ); if ( ( isset( $quiz_post_ids[ $quiz_pro_id ] ) ) && ( ! empty( $quiz_post_ids[ $quiz_pro_id ] ) ) ) { return $quiz_post_ids[ $quiz_pro_id ]; } else { $quiz_post_ids[ $quiz_pro_id ] = false; global $learndash_shortcode_atts; if ( ! empty( $learndash_shortcode_atts ) ) { foreach ( array_reverse( $learndash_shortcode_atts ) as $shortcode_tag => $shortcode_atts ) { if ( in_array( $shortcode_tag, array('LDAdvQuiz', 'ld_quiz' ) ) ) { if ( ( isset( $shortcode_atts['quiz_post_id'] ) ) && ( ! empty( $shortcode_atts['quiz_post_id'] ) ) ) { $quiz_post_ids[ $quiz_pro_id ] = absint( $shortcode_atts['quiz_post_id'] ); return $quiz_post_ids[ $quiz_pro_id ]; } elseif ( ( isset( $shortcode_atts['quiz_id'] ) ) && ( ! empty( $shortcode_atts['quiz_id'] ) ) ) { $quiz_post_ids[ $quiz_pro_id ] = absint( $shortcode_atts['quiz_id'] ); return $quiz_post_ids[ $quiz_pro_id ]; } elseif ( ( isset( $shortcode_atts['quiz'] ) ) && ( ! empty( $shortcode_atts['quiz'] ) ) ) { $quiz_post_ids[ $quiz_pro_id ] = absint( $shortcode_atts['quiz'] ); return $quiz_post_ids[ $quiz_pro_id ]; } } } } // Before we run all the queries we check the global $post and see if we are showing a Quiz Post. $queried_object = get_queried_object(); if ( ( is_a( $queried_object, 'WP_Post' ) ) && ( learndash_get_post_type_slug( 'quiz' ) === $queried_object->post_type ) ) { $quiz_post_ids[ $quiz_pro_id ] = absint( $queried_object->ID ); return $quiz_post_ids[ $quiz_pro_id ]; } / $post_id = get_the_ID(); if ( ! empty( $post_id ) ) { $quiz_post = get_post( $post_id ); if ( ( $quiz_post instanceof WP_Post ) && ( $quiz_post->post_type == 'sfwd-quiz' ) ) { //$quiz_post_id = $quiz_post->ID; $quiz_pro_id_tmp = learndash_get_setting( $quiz_post->ID, 'quiz_pro' ); if ( ( $quiz_pro_id_tmp ) && ( absint( $quiz_pro_id_tmp ) === $quiz_pro_id ) ) { $quiz_post_ids[ $quiz_pro_id ] = absint( $quiz_pro_id_tmp ); return $quiz_post_ids[ $quiz_pro_id ]; } } } / $sql_str = $wpdb->prepare( "SELECT post_id FROM " . $wpdb->postmeta . " as postmeta INNER JOIN " . $wpdb->posts . " as posts ON posts.ID=postmeta.post_id WHERE posts.post_type = %s AND posts.post_status = %s AND postmeta.meta_key = %s", 'sfwd-quiz', 'publish', 'quiz_pro_id_' . absint( $quiz_pro_id ) ); $quiz_post_id = $wpdb->get_var( $sql_str ); if ( ! empty( $quiz_post_id ) ) { $quiz_post_ids[ $quiz_pro_id ] = absint( $quiz_post_id ); return $quiz_post_ids[ $quiz_pro_id ]; } $sql_str = $wpdb->prepare( "SELECT post_id FROM " . $wpdb->postmeta . " as postmeta INNER JOIN " . $wpdb->posts . " as posts ON posts.ID=postmeta.post_id WHERE posts.post_type = %s AND posts.post_status = %s AND meta_key = %s AND meta_value = %d", 'sfwd-quiz', 'publish', 'quiz_pro_id', absint( $quiz_pro_id )); $quiz_post_id = $wpdb->get_var( $sql_str ); if ( ! empty( $quiz_post_id ) ) { update_post_meta( absint( $quiz_post_id ), 'quiz_pro_id_' . absint( $quiz_pro_id ), absint( $quiz_pro_id ) ); $quiz_post_ids[ $quiz_pro_id ] = absint( $quiz_post_id ); return $quiz_post_ids[ $quiz_pro_id ]; } // Because we seem to have a mix of int and string values when these are serialized the format to look for end up being somewhat kludge-y. $quiz_pro_id_str = sprintf( '%s', absint( $quiz_pro_id ) ); $quiz_pro_id_len = strlen( $quiz_pro_id_str ); $like_i = 'sfwd-quiz_quiz_pro";i:' . absint( $quiz_pro_id ) . ';'; $like_s = '"sfwd-quiz_quiz_pro";s:' . $quiz_pro_id_len . ':"' . $quiz_pro_id_str . '"'; // Using REGEX because it is slightly faster then OR on text fields pattern search. $sql_str = $wpdb->prepare( "SELECT post_id FROM " . $wpdb->postmeta . " as postmeta INNER JOIN " . $wpdb->posts . " as posts ON posts.ID=postmeta.post_id WHERE posts.post_type = %s AND posts.post_status = %s AND postmeta.meta_key=%s AND postmeta.meta_value REGEXP '" . $like_i . "\|" . $like_s . "'", 'sfwd-quiz', 'publish', '_sfwd-quiz' ); $quiz_post_id = $wpdb->get_var( $sql_str ); if ( ! empty( $quiz_post_id ) ) { $quiz_post_id = absint( $quiz_post_id ); update_post_meta( $quiz_post_id, 'quiz_pro_id_' . absint( $quiz_pro_id ), absint( $quiz_pro_id ) ); update_post_meta( $quiz_post_id, 'quiz_pro_id', absint( $quiz_pro_id ) ); $quiz_post_ids[ $quiz_pro_id ] = $quiz_post_id; return $quiz_post_ids[ $quiz_pro_id ]; } } } /* * Get a Question Post ID from the Proquiz ID * * @since 2.6.0 * * @param int $question_pro_id ProQuiz Question id. * @return int quiz post id / function learndash_get_question_post_by_pro_id( $question_pro_id = 0 ) { global $wpdb; if ( empty( $question_pro_id ) ) { return; } $question_pro_args = array( 'post_type' => learndash_get_post_type_slug( 'question' ), 'posts_per_page' => 1, 'post_status' => 'any', 'fields' => 'ids', 'meta_query' => array( array( 'key' => 'question_pro_id', 'value' => $question_pro_id, 'compare' => '=', 'type' => 'NUMERIC', ), ), ); $question_pro_query = new WP_Query( $question_pro_args ); if ( ( is_a( $question_pro_query, 'WP_Query' ) ) && ( property_exists( $question_pro_query, 'posts' ) ) ) { if ( ( ! empty( $question_pro_query->posts ) ) && ( isset( $question_pro_query->posts[0] ) ) ) { return $question_pro_query->posts[0]; } } } /* * Action hook called when a Question (sfwd-question) is moved to trash or untrashed. * * @since 2.6.0 * * @param string $new_status New post_status value. * @param string $old_status Old post_status value. * @param Object $post WP_Post object instance. / function learndash_transition_quiz_question_post_status( $new_status, $old_status, $post ) { global $wpdb; if ( $new_status !== $old_status ) { if ( ( ! empty( $post ) ) && ( is_a( $post, 'WP_Post' ) ) && ( in_array( $post->post_type, array( 'sfwd-question' ) ) ) === true ) { $sql_str = "SELECT meta_value FROM " . $wpdb->postmeta . " WHERE post_id = " . $post->ID . " AND (meta_key = 'quiz_id' OR meta_key LIKE 'ld_quiz_%')"; $quiz_ids = $wpdb->get_col( $sql_str ); if ( ! empty( $quiz_ids ) ) { $quiz_ids = array_unique( $quiz_ids ); foreach ( $quiz_ids as $quiz_id ) { learndash_set_quiz_questions_dirty( $quiz_id ); } } } } } add_action( 'transition_post_status', 'learndash_transition_quiz_question_post_status', 10, 3 ); /* * Interface function to set the Quiz 'dirty' flag for questions. * This 'dirty' flag is used to trigger the Quiz logic to relod the questions * via queries instead of using the stored questions post meta. This generally * means something changed with the questions. * * @since 2.6.0 * @param integer $quiz_id Quiz ID to change dirty flag. / function learndash_set_quiz_questions_dirty( $quiz_id = 0 ) { if ( ! empty( $quiz_id ) ) { $quiz_questions_object = LDLMS_Factory_Post::quiz_questions( absint( $quiz_id ) ); if ( is_a( $quiz_questions_object, 'LDLMS_Quiz_Questions' ) ) { $quiz_questions_object->set_questions_dirty(); } } } /* * For a given Question post gather all the quiz posts and set each as * questions dirty. * * @since 2.6.0 * @param integer $question_post_id Question Post ID. / function learndash_set_question_quizzes_dirty( $question_post_id = 0 ) { $question_post_id = absint( $question_post_id ); if ( ! empty( $question_post_id ) ) { $question_quiz_ids = learndash_get_quizzes_for_question( $question_post_id, true ); if ( ! empty( $question_quiz_ids ) ) { foreach ( $question_quiz_ids as $question_quiz_id => $quiz_title ) { learndash_set_quiz_questions_dirty( $question_quiz_id ); } } } } /* * Adds a WPProQuiz question to mirror a Question post (sfwd-question). * * @since 2.6.0 * @param integer $question_pro_id Post ID of Question (sfwd-question). * @param array $post_data Post Data containing post_title and post_content. * @return integer new question pro id. / function learndash_update_pro_question( $question_pro_id = 0, $post_data = array() ) { $question_pro_id = absint( $question_pro_id ); $question_mapper = new WpProQuiz_Model_QuestionMapper(); if ( isset( $post_data['action'] ) ) { switch ( $post_data['action'] ) { case 'editpost': $proquiz_controller_question = new WpProQuiz_Controller_Question(); $question_model = $proquiz_controller_question->getPostQuestionModel( 0, $question_pro_id ); break; case 'new_step': $proquiz_controller_question = new WpProQuiz_Controller_Question(); $question_model = $proquiz_controller_question->getPostQuestionModel( 0, $question_pro_id ); break; case 'edit_title': $question_model = $question_mapper->fetchById( absint( $question_pro_id ) ); break; default: break; } } if ( ( isset( $question_model ) ) && ( is_a( $question_model, 'WpProQuiz_Model_Question' ) ) ) { if ( ( isset( $post_data['post_type'] ) ) && ( $post_data['post_type'] === learndash_get_post_type_slug( 'question' ) ) ) { if ( isset( $post_data['post_title'] ) ) { $question_model->setTitle( $post_data['post_title'] ); } if ( isset( $post_data['post_content'] ) ) { $question_model->setQuestion( $post_data['post_content'] ); } if ( ( isset( $post_data['post_ID'] ) ) && ( ! empty( $post_data['post_ID'] ) ) ) { $quiz_post_id = learndash_get_setting( $post_data['post_ID'], 'quiz' ); if ( ! empty( $quiz_post_id ) ) { $quiz_post_id = absint( $quiz_post_id ); $quiz_pro_id = learndash_get_setting( $quiz_post_id, 'quiz_pro' ); if ( ! empty( $quiz_pro_id ) ) { $question_model->setQuizId( $quiz_pro_id ); } } } } $question = $question_mapper->save( $question_model, true ); learndash_update_question_template( $question, $post_data ); // After the save we check the question ID in case WPProQuiz changed it. $question_pro_id = $question->getId(); return $question_pro_id; } } /* * Handle the Question Save Template logic. * * @since 2.6.0 * @param object $question WpProQuiz_Model_Question instance. * @param array $post_data $_POST data to process the templated related fields. * @return mixed on success WpProQuiz_Model_Template instance. / function learndash_update_question_template( $question = null, $post_data = array() ) { if ( ( ! empty( $post_data ) ) && ( ! empty( $question ) ) ) { $template_mapper = new WpProQuiz_Model_TemplateMapper(); if ( ( isset( $post_data['templateName'] ) ) && ( ! empty( $post_data['templateName'] ) ) ) { $template = new WpProQuiz_Model_Template(); $template->setType( WpProQuiz_Model_Template::TEMPLATE_TYPE_QUESTION ); $template->setName( trim( $post_data['templateName'] ) ); } else if ( ( isset( $post_data['templateSaveList'] ) ) && ( ! empty( $post_data['templateSaveList'] ) ) ) { $template = $template_mapper->fetchById( absint( $post_data['templateSaveList'] ), false ); } if ( ( isset( $template ) ) && ( is_a( $template, 'WpProQuiz_Model_Template' ) ) ) { $template->setData( array( 'question' => $question, ) ); return $template_mapper->save( $template ); } } } /* * Gets an array of Quiz IDS where the question is used. * * @since 2.6.0 * @param integer $question_post_id Question Post ID. * @param boolean $return_flat_array Default is false and will return primary and secondary sub-array sets. * @return array of Quiz post IDs. / function learndash_get_quizzes_for_question( $question_post_id = 0, $return_flat_array = false ) { global $wpdb; $quiz_ids = array(); if ( true !== $return_flat_array ) { $course_ids['primary'] = array(); $course_ids['secondary'] = array(); } if ( ! empty( $question_post_id ) ) { $sql_str = $wpdb->prepare( "SELECT postmeta.meta_value as quiz_id, posts.post_title as quiz_title FROM " . $wpdb->postmeta . " AS postmeta INNER JOIN " . $wpdb->posts . " AS posts ON postmeta.meta_value = posts.ID WHERE postmeta.post_id = " . $question_post_id . " AND postmeta.meta_key LIKE %s ORDER BY quiz_title ASC", 'quiz_id' ); $quiz_ids_primary = $wpdb->get_results( $sql_str ); if ( ! empty( $quiz_ids_primary ) ) { foreach ( $quiz_ids_primary as $quiz_set ) { if ( true === $return_flat_array ) { $quiz_ids[ $quiz_set->quiz_id ] = $quiz_set->quiz_title; } else { $quiz_ids['primary'][ $quiz_set->quiz_id ] = $quiz_set->quiz_title; } } } $sql_str = "SELECT postmeta.meta_value as quiz_id, posts.post_title as quiz_title FROM " . $wpdb->postmeta . " AS postmeta INNER JOIN " . $wpdb->posts . " AS posts ON postmeta.meta_value = posts.ID WHERE postmeta.post_id = " . $question_post_id . " AND postmeta.meta_key LIKE 'ld_quiz_%' ORDER BY quiz_title ASC" ; $quiz_ids_secondary = $wpdb->get_results( $sql_str ); if ( ! empty( $quiz_ids_secondary ) ) { foreach ( $quiz_ids_secondary as $quiz_set ) { if ( true === $return_flat_array ) { if ( ! isset( $quiz_ids[ $quiz_set->quiz_id ] ) ) { $quiz_ids[ $quiz_set->quiz_id ] = $quiz_set->quiz_title; } } else { if ( ( ! isset( $quiz_ids['primary'][ $quiz_set->quiz_id ] ) ) && ( ! isset( $quiz_ids['secondary'][ $quiz_set->quiz_id ] ) ) ) { $quiz_ids['secondary'][ $quiz_set->quiz_id ] = $quiz_set->quiz_title; } } } } return $quiz_ids; } } /* * Determine the Quiz ID based on the global post being viewed. * * @since 2.6.0 * @param integer $id Post ID being viewed. * @return integer The found quiz ID or false. / function learndash_get_quiz_id( $id = null ) { global $post; if ( is_object( $id ) && $id->ID ) { $p = $id; $id = $p->ID; } elseif ( is_numeric( $id ) ) { $p = get_post( $id ); } if ( empty( $id ) ) { if ( defined( 'REST_REQUEST' ) && REST_REQUEST ) { //return false; } else { if ( is_admin() ) { global $parent_file, $post_type, $pagenow; if ( ( ! in_array( $pagenow, array( 'post.php', 'post-new.php' ) ) ) \|\| ( ! in_array( $post_type, array( 'sfwd-question' ) ) ) ) { return false; } } else if ( ! is_single() \|\| is_home() ) { return false; } } if ( ( $post ) && ( $post instanceof WP_Post ) ) { $id = $post->ID; $p = $post; } else { return false; } } if ( empty( $p->ID ) ) { return 0; } if ( learndash_get_post_type_slug( 'quiz' ) === $p->post_type ) { return $p->ID; } if ( ( isset( $_GET['quiz_id'] ) ) && ( ! empty( $_GET['quiz_id'] ) ) ) { return absint( $_GET['quiz_id'] ); } elseif ( ( isset( $_GET['quiz'] ) ) && ( ! empty( $_GET['quiz'] ) ) ) { return absint( $_GET['quiz'] ); } elseif ( ( isset( $_POST['quiz_id'] ) ) && ( ! empty( $_POST['quiz_id'] ) ) ) { return absint( $_POST['quiz_id'] ); } else if ( ( isset( $_POST['quiz'] ) ) && ( ! empty( $_POST['quiz'] ) ) ) { return intval( $_POST['quiz'] ); } else if ( ( isset( $_GET['post'] ) ) && ( ! empty( $_GET['post'] ) ) ) { if ( learndash_get_post_type_slug( 'quiz' ) === get_post_type( intval( $_GET['post'] ) ) ) { return intval( $_GET['post'] ); } } return (int) get_post_meta( $id, 'quiz_id', true ); } /* * Add content to quiz navigation meta box for admin * * @since 2.6.0 / function learndash_quiz_navigation_admin_box_content() { global $typenow; $quiz_id = 0; $current_post = false; if ( ( isset( $_GET['post'] ) ) && ( ! empty( $_GET['post'] ) ) ) { $quiz_id = learndash_get_quiz_id( absint( $_GET['post'] ) ); $current_post = get_post( intval( $_GET['post'] ) ); } if ( ( empty( $quiz_id ) ) && ( isset( $_GET['quiz_id'] ) ) ) { $quiz_id = absint( $_GET['quiz_id'] ); } if ( ! empty( $quiz_id ) ) { $instance = array(); $instance['show_widget_wrapper'] = true; $instance['quiz_id'] = $quiz_id; $instance['current_question_id'] = 0; $instance['current_type'] = $typenow; $question_query_args = array(); $question_query_args['pagination'] = 'true'; $question_query_args['paged'] = 1; if ( ( is_a( $current_post, 'WP_Post' ) ) && ( in_array( $current_post->post_type, array( 'sfwd-quiz', 'sfwd-question' ) ) ) ) { if ( in_array( $current_post->post_type, array( 'sfwd-question' ) ) ) { $instance['current_question_id'] = $current_post->ID; } } learndash_quiz_navigation_admin( $quiz_id, $instance, $question_query_args ); if ( LearnDash_Settings_Section::get_section_setting( 'LearnDash_Settings_Quizzes_Builder', 'shared_questions' ) == 'yes' ) { learndash_quiz_switcher_admin( $quiz_id ); } } else { echo sprintf( // translators: placeholders: Questions. esc_html_x( 'No associated %s', 'placeholder: Questions', 'learndash' ), LearnDash_Custom_Label::get_label( 'questions' ) ); echo sprintf( '<div class="quiz_navigation_app"></div>', esc_attr( $quiz_id ) ); } } /* * Utility function to get the questions associated with a Quiz * * @since 2.6.0 * @param integer $quiz_id The Quiz Post ID. * @return array of quiz question (sfwd-question) post ids. / function learndash_get_quiz_questions( $quiz_id = 0 ) { if ( ! empty( $quiz_id ) ) { $ld_quiz_questions_object = LDLMS_Factory_Post::quiz_questions( absint( $quiz_id ) ); if ( $ld_quiz_questions_object ) { $ld_quiz_questions = $ld_quiz_questions_object->get_questions(); return $ld_quiz_questions; } } } /* * Outputs quiz navigation admin template for widget * * @since 2.6.0 * * @param integer $quiz_id Quiz Post ID. * @param array $instance Widget instance array. * @param array $question_query_args array of query options for pagnination etc. * * @return string quiz navigation output / function learndash_quiz_navigation_admin( $quiz_id = 0, $instance = array(), $question_query_args = array() ) { if ( empty( $quiz_id ) ) { return; } $quiz = get_post( absint( $quiz_id ) ); if ( ( ! $quiz ) \|\| ( ! is_a( $quiz, 'WP_Post' ) ) \|\| ( learndash_get_post_type_slug( 'quiz' ) !== $quiz->post_type ) ) { return; } if ( is_user_logged_in() ) { $user_id = get_current_user_id(); } else { $user_id = 0; } $instance['nonce'] = wp_create_nonce( 'ld_quiz_navigation_admin_pager_nonce_' . $quiz->ID . '_' . get_current_user_id() ); $quiz_navigation_admin_pager = array(); global $quiz_navigation_admin_pager; $question_start_idx = 0; $question_list = learndash_get_quiz_questions( $quiz_id ); if ( ! empty( $question_list ) ) { //$course_lessons_per_page = learndash_get_course_lessons_per_page( $quiz_id ); $quiz_questions_per_page = LearnDash_Settings_Section::get_section_setting( 'LearnDash_Settings_Section_General_Per_Page', 'question_num' ); if ( ( $quiz_questions_per_page > 0 ) && ( count( $question_list ) > $quiz_questions_per_page ) ) { $quiz_navigation_admin_pager['per_page'] = absint( $quiz_questions_per_page ); $quiz_navigation_admin_pager['total_items'] = count( $question_list ); $questions_page_chunks = array_chunk( $question_list, $quiz_navigation_admin_pager['per_page'], true ); $quiz_navigation_admin_pager['total_pages'] = count( $questions_page_chunks ); $quiz_navigation_admin_pager['paged'] = 1; if ( ( isset( $_POST['paged'] ) ) && ( ! empty( $_POST['paged'] ) ) ) { $quiz_navigation_admin_pager['paged'] = absint( $_POST['paged'] ); } else { foreach( $questions_page_chunks as $paged_idx => $paged_set ) { if ( isset( $paged_set[ $instance['current_question_id'] ] ) ) { $quiz_navigation_admin_pager['paged'] = $paged_idx + 1; break; } } } $chunks_paged = $quiz_navigation_admin_pager['paged'] - 1; if ( isset( $questions_page_chunks[ $chunks_paged ] ) ) { $question_list = $questions_page_chunks[ $chunks_paged ]; } else { $question_list = $questions_page_chunks[0]; } } } else { echo sprintf( // translators: placeholders: Questions. esc_html_x( 'No associated %s', 'placeholder: Questions', 'learndash' ), LearnDash_Custom_Label::get_label( 'questions' ) ); } SFWD_LMS::get_template( 'quiz_navigation_admin', array( 'user_id' => $user_id, 'quiz_id' => $quiz_id, 'widget' => $instance, 'questions_list' => $question_list, ), true ); } /* * Show the Quiz Switcher within the Quiz Questions Admin metabox. * * @since 2.6.0 * @param integer $quiz_id Quiz Post ID. / function learndash_quiz_switcher_admin( $quiz_id ) { $template_file = SFWD_LMS::get_template( 'quiz_navigation_switcher_admin', array(), null, true ); if ( ! empty( $template_file ) ) { include $template_file; } } /* * Quiz Questions Navigation AJAX Pager handler function * * @since 2.5.4 / function learndash_wp_ajax_ld_quiz_navigation_admin_pager() { $reply_data = array(); if ( ( isset( $_POST['paged'] ) ) && ( ! empty( $_POST['paged'] ) ) ) { $paged = intval( $_POST['paged'] ); } else { $paged = 1; } if ( ( isset( $_POST['widget_data'] ) ) && ( ! empty( $_POST['widget_data'] ) ) ) { $widget_data = $_POST['widget_data']; } else { $widget_data = array(); } if ( ( isset( $widget_data['quiz_id'] ) ) && ( ! empty( $widget_data['quiz_id'] ) ) ) { $quiz_id = intval( $widget_data['quiz_id'] ); } else { $quiz_id = 0; } if ( ( ! empty( $quiz_id ) ) && ( ! empty( $widget_data ) ) ) { if ( ( isset( $_POST['widget_data']['nonce'] ) ) && ( ! empty( $_POST['widget_data']['nonce'] ) ) && ( wp_verify_nonce( $_POST['widget_data']['nonce'], 'ld_quiz_navigation_admin_pager_nonce_' . $quiz_id . '_' . get_current_user_id() ) ) ) { $questions_query_args = array(); //$course_lessons_per_page = learndash_get_course_lessons_per_page( $course_id ); //if ( $course_lessons_per_page > 0 ) { $questions_query_args['pagination'] = 'true'; $questions_query_args['paged'] = $paged; //} $widget_data['show_widget_wrapper'] = false; $level = ob_get_level(); ob_start(); learndash_quiz_navigation_admin( $quiz_id, $widget_data, $questions_query_args ); $reply_data['content'] = learndash_ob_get_clean( $level ); } } echo json_encode( $reply_data ); die(); } add_action( 'wp_ajax_ld_quiz_navigation_admin_pager', 'learndash_wp_ajax_ld_quiz_navigation_admin_pager' ); /* * This function will copy the WPProQuiz Question Category to the LearnDadh Question taxonomy * * @since 2.6.0 * @param integer $question_post_id WP_Post Question ID. * @param integer $question_pro_id WpProQuiz_Model_Question object or ID. / function learndash_proquiz_sync_question_fields( $question_post_id = 0, $question_pro_id = 0 ) { if ( ( empty( $question_post_id ) ) \|\| ( empty( $question_pro_id ) ) ) { return; } if ( is_a( $question_pro_id, 'WpProQuiz_Model_Question' ) ) { $question_pro = $question_pro_id; } else { $question_pro_mapper = new WpProQuiz_Model_QuestionMapper(); $question_pro = $question_pro_mapper->fetch( absint( $question_pro_id ) ); } if ( is_a( $question_pro, 'WpProQuiz_Model_Question' ) ) { update_post_meta( $question_post_id, 'question_points', intval( $question_pro->getPoints() ) ); update_post_meta( $question_post_id, 'question_type', $question_pro->getAnswerType() ); update_post_meta( $question_post_id, 'question_pro_id', intval( $question_pro->getId() ) ); update_post_meta( $question_post_id, 'question_pro_category', intval( $question_pro->getCategoryId() ) ); // Not sure why this is here. / $update_post = array( 'ID' => $question_post_id, 'post_title' => $question_pro->getTitle(), 'post_content' => $question_pro->getQuestion(), 'menu_order' => absint( $question_pro->getSort() ), ); wp_update_post( $update_post ); / / $quiz_post_ids = learndash_get_quiz_post_ids( $question_pro->getQuizId() ); if ( ! empty( $quiz_post_ids ) ) { foreach ( $quiz_post_ids as $idx => $quiz_post_id ) { if ( 0 === $idx ) { learndash_update_setting( $question_post_id, 'quiz', absint( $quiz_post_id ) ); } //if ( LearnDash_Settings_Section::get_section_setting( 'LearnDash_Settings_Quizzes_Builder', 'shared_questions' ) === 'yes' ) { add_post_meta( $question_post_id, 'ld_quiz_id', intval( $quiz_post_id ), true ); //} } } / } } /* * This function will copy the WPProQuiz Question Category to the LearnDadh Question taxonomy * * @since 2.6.0 * @param integer $question_post_id WP_Post Question ID. * @param integer $question_pro_id WpProQuiz_Model_Question object or ID. * @return object WP_Term object. / function learndash_proquiz_sync_question_category( $question_post_id = 0, $question_pro_id = 0 ) { if ( ( empty( $question_post_id ) ) \|\| ( empty( $question_pro_id ) ) ) { return; } if ( is_a( $question_pro_id, 'WpProQuiz_Model_Question' ) ) { $question_pro = $question_pro_id; } else { $question_pro_mapper = new WpProQuiz_Model_QuestionMapper(); $question_pro = $question_pro_mapper->fetch( absint( $question_pro_id ) ); } if ( is_a( $question_pro, 'WpProQuiz_Model_Question' ) ) { // Sync the Question category with the LD Question Category. if ( LearnDash_Settings_Section::get_section_setting( 'LearnDash_Settings_Questions_Taxonomies', 'ld_question_category' ) == 'yes' ) { $question_pro_category_id = $question_pro->getCategoryId(); $question_pro_category_name = $question_pro->getCategoryName(); if ( ( ! empty( $question_pro_category_id ) ) && ( ! empty( $question_pro_category_name ) ) ) { $category_query_args = array( 'taxonomy' => array( 'ld_question_category' ), 'hide_empty' => false, 'name' => $question_pro_category_name, ); $category_terms = get_terms( $category_query_args ); if ( ! is_wp_error( $category_terms ) ) { if ( ! empty( $category_terms ) ) { foreach ( $category_terms as $category_term ) { wp_set_object_terms( $question_post_id, $category_term->term_id, 'ld_question_category' ); } return $category_terms; } else { $new_term = wp_insert_term( $question_pro_category_name, 'ld_question_category' ); if ( isset( $new_term['term_id'] ) ) { add_term_meta( absint( $new_term['term_id'] ), 'category_pro_id', $question_pro_category_id ); wp_set_object_terms( $question_post_id, intval( $new_term['term_id'] ), 'ld_question_category' ); return $new_term; } } } } } } } /* * Utility function to return all the quiz posts IDs based on the quiz pro id. * This is similar to the function learndash_get_quiz_id_by_pro_quiz_id() but returns * an array instead of a single post ID. * * @since 2.6.0 * @param integer $quiz_pro_id ID of WPProQuiz Quiz. * @return array of quiz post IDs. / function learndash_get_quiz_post_ids( $quiz_pro_id = 0 ) { static $quiz_post_ids = array(); $quiz_pro_id = absint( $quiz_pro_id ); if ( ! empty( $quiz_pro_id ) ) { if ( ! isset( $quiz_post_ids[ $quiz_pro_id ] ) ) { $quiz_post_ids[ $quiz_pro_id ] = array(); if ( ! empty( $quiz_pro_id ) ) { $quiz_query_args = array( 'post_type' => learndash_get_post_type_slug( 'quiz' ), 'posts_per_page' => -1, 'fields' => 'ids', 'orderby' => 'ID', 'order' => 'ASC', 'meta_query' => array( array( 'key' => 'quiz_pro_id', 'value' => absint( $quiz_pro_id ), 'compare' => '=', ), ), ); $quiz_query = new WP_Query( $quiz_query_args ); if ( ( $quiz_query instanceof WP_Query ) && ( property_exists( $quiz_query, 'posts' ) ) ) { $quiz_post_ids[ $quiz_pro_id ] = array_merge( $quiz_post_ids[ $quiz_pro_id ], $quiz_query->posts ); } } } return $quiz_post_ids[ $quiz_pro_id ]; } } /* * This function retreives the WPProQuiz Question row column by field. * * @since 2.6.0 * @param integer $question_pro_id WPProQuiz Question ID. * @param mixed $fields Array or string of fields to return. * @return array of field values. / function leandash_get_question_pro_fields( $question_pro_id = 0, $fields = null ) { $values = array(); if ( ( ! empty( $question_pro_id ) ) && ( ! empty( $fields ) ) ) { if ( is_string( $fields ) ) { $fields = explode( ',', $fields ); } if ( is_array( $fields ) ) { $fields = array_map( 'trim', $fields ); } $question_mapper = new WpProQuiz_Model_QuestionMapper(); $question_pro = $question_mapper->fetch( $question_pro_id ); foreach ( $fields as $field ) { $function = 'get' . str_replace( ' ', '', ucwords( str_replace( '_', ' ', $field ) ) ); if ( method_exists( $question_pro, $function ) ) { $values[ $field ] = $question_pro->$function(); } else { $values[ $field ] = null; } } return $values; } return $values; } /* * This function retreives the WPProQuiz Quiz row column by field. * * @since 2.6.0 * @param integer $question_pro_id WPProQuiz Question ID. * @param mixed $fields Array or string of fields to return. * @return array of field values. / function leandash_get_quiz_pro_fields( $quiz_pro_id = 0, $fields = null ) { $values = array(); if ( ( ! empty( $quiz_pro_id ) ) && ( ! empty( $fields ) ) ) { if ( is_string( $fields ) ) { $fields = explode( ',', $fields ); } if ( is_array( $fields ) ) { $fields = array_map( 'trim', $fields ); } $quiz_mapper = new WpProQuiz_Model_QuizMapper(); $quiz_pro = $quiz_mapper->fetch( $quiz_pro_id ); foreach ( $fields as $field ) { $function = 'get' . str_replace( ' ', '', ucwords( str_replace( '_', ' ', $field ) ) ); if ( method_exists( $quiz_pro, $function ) ) { $values[ $field ] = $quiz_pro->$function(); } else { $values[ $field ] = null; } } return $values; } return $values; } /* * This function accepts a list of Quiz posts. It is assumed quiz posts * all share the same ProQuiz Quiz ID. This function will determine which * is the 'primary' quiz post. If one is not found the first in the array * will be set as the primary. * * @since 2.6.0 * @param integer $quiz_pro_id ProQuiz Quiz ID. * @param boolean $set_first If true will take first quiz post fount and use as primary. * @return integer Primary Quiz Post ID. */ function learndash_get_quiz_primary_shared( $quiz_pro_id = 0, $set_first = true ) { static $quiz_primary_post_ids = array(); $quiz_pro_id = absint( $quiz_pro_id ); if ( ! empty( $quiz_pro_id ) ) { if ( ( ! isset( $quiz_primary_post_ids[ $quiz_pro_id ] ) ) \|\| ( empty( $quiz_primary_post_ids[ $quiz_pro_id ] ) ) ) { $quiz_primary_post_ids[ $quiz_pro_id ] = 0; $quiz_post_ids = learndash_get_quiz_post_ids( $quiz_pro_id ); if ( ! empty( $quiz_post_ids ) ) { $quiz_query_args = array( 'post_type' => learndash_get_post_type_slug( 'quiz' ), 'posts_per_page' => -1, 'fields' => 'ids', 'orderby' => 'ID', 'order' => 'ASC', 'post__in' => $quiz_post_ids, 'meta_query' => array( array( 'key' => 'quiz_pro_primary_' . $quiz_pro_id, 'compare' => 'EXISTS', ), ), ); $quiz_query = new WP_Query( $quiz_query_args ); if ( ( is_a( $quiz_query, 'WP_Query' ) ) && ( property_exists( $quiz_query, 'posts' ) ) && ( ! empty( $quiz_query->posts ) ) ) { $quiz_primary_post_ids[ $quiz_pro_id ] = $quiz_query->posts[0]; if ( count( $quiz_query->posts ) > 1 ) { foreach ( $quiz_query->posts as $quiz_post_idx => $quiz_post_id ) { if ( 0 !== $quiz_post_idx ) { delete_post_meta( $quiz_post_id, 'quiz_pro_primary_' . $quiz_pro_id ); } } } } else { if ( true === $set_first ) { $quiz_primary_post_ids[ $quiz_pro_id ] = $quiz_post_ids[0]; update_post_meta( $quiz_primary_post_ids[ $quiz_pro_id ], 'quiz_pro_primary_' . $quiz_pro_id, $quiz_pro_id ); } } } } return $quiz_primary_post_ids[ $quiz_pro_id ]; } } function learndash_quiz_result_message_sort( $messages = array() ) { $sorted = array(); if ( ( isset( $messages ) ) && ( ! empty( $messages ) ) ) { $activ_bypass = false; if ( ! isset( $messages['activ'] ) ) { $activ_bypass = true; } for ( $i = 0; $i < LEARNDASH_QUIZ_RESULT_MESSAGE_MAX; $i++ ) { if ( true === $activ_bypass ) { $activ = 1; } else { $activ = null; if ( isset( $messages['activ'][$i] ) ) { $activ = absint( $messages['activ'][$i] ); } } $prozent = null; if ( isset( $messages['prozent'][$i] ) ) { $prozent = (float)str_replace(',', '.', $messages['prozent'][$i] ); } $text = null; if ( isset( $messages['text'][$i] ) ) { $text = $messages['text'][$i]; if ( ! empty( $text ) ) { $text = wp_check_invalid_utf8( $text ); if ( ! empty( $text ) ) { $text = sanitize_post_field( 'post_content', $text, 0, 'display' ); $text = stripslashes( $text ); } } else { $activ = null; } } if ( ( ! is_null( $activ ) ) && ( ! empty( $activ ) ) && ( ! is_null( $prozent ) ) && ( ! is_null( $text ) ) ) { if ( ! isset( $sorted[ $prozent ] ) ) { $sorted[ $prozent ] = array( 'prozent' => $prozent, 'activ' => $activ, 'text' => $text, ); } } } } if ( ! isset( $sorted[0] ) ) { $sorted[0] = array( 'prozent' => 0, 'activ' => 1, 'text' => '', ); } $result = array(); if ( ! empty( $sorted ) ) { ksort( $sorted ); foreach ( $sorted as $item ) { $result['text'][] = $item['text']; $result['prozent'][] = $item['prozent']; $result['activ'][] = $item['activ']; } } return $result; }

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