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<?php /** * Misc functions * * @since 2.1.0 * * @package LearnDash\Misc / /* * Add post thumbnail theme support for customn post types * * @since 2.1.0 / function learndash_add_theme_support() { if ( ! current_theme_supports( 'post-thumbnails' ) ) { add_theme_support( 'post-thumbnails', array( 'sfwd-certificates', 'sfwd-courses', 'sfwd-lessons', 'sfwd-topic', 'sfwd-quiz', 'sfwd-assignment', 'sfwd-essays' ) ); } } add_action( 'after_setup_theme', 'learndash_add_theme_support' ); /* * Get LearnDash setting for a post * * @since 2.1.0 * * @param id\|obj $post * @param string $setting * @return string value for requested setting / function learndash_get_setting( $post, $setting = null ) { if ( is_numeric( $post ) ) { $post = get_post( $post ); } else { if ( empty( $post ) \|\| ! is_object( $post ) \|\| empty( $post->ID ) ) { return null; } } if ($post instanceof WP_Post) { if ( $setting == 'lesson' ) { return learndash_get_lesson_id( $post->ID ); } if ( $setting == 'course' ) { //return get_post_meta( $post->ID, 'course_id', true ); return learndash_get_course_id( $post->ID ); } $meta = get_post_meta( $post->ID, '_' . $post->post_type, true ); if ( ( !empty( $meta ) ) && ( is_array( $meta ) ) ) { if ( empty( $setting ) ) { $settings = array(); foreach ( $meta as $k => $v ) { $settings[ str_replace( $post->post_type.'_', '', $k ) ] = $v; } return $settings; } else { if ( isset( $meta[ $post->post_type.'_'.$setting ] ) ) { return $meta[ $post->post_type.'_'.$setting ]; } else { return ''; } } } else { return ''; } } } /* * Get options for a particular post type and setting * * @since 2.1.0 * * @param string $post_type * @param string $setting * @return array\|string options requested / function learndash_get_option( $post_type, $setting = '' ) { $return = array(); $options = get_option( 'sfwd_cpt_options' ); // In LD v2.4 we moved all the settings to the new Settings API. Because of this we need to merge the value(s) // into the legacy values but keep in mind other add-ons might be extending the $post_args sections if ( $post_type == 'sfwd-lessons' ) { if ( $options === false ) $options = array(); if ( !isset( $options['modules'] ) ) $options['modules'] = array(); if ( !isset( $options['modules'][ $post_type.'_options'] ) ) $options['modules'][ $post_type.'_options'] = array(); $settings_fields = LearnDash_Settings_Section::get_section_settings_all('LearnDash_Settings_Section_Lessons_Display_Order'); if ( ( !empty( $settings_fields ) ) && ( is_array( $settings_fields ) ) ) { foreach( $settings_fields as $key => $val ) { $options['modules'][ $post_type . '_options'][$post_type .'_'. $key ] = $val; } } } if ( ( empty( $setting ) ) && ( !empty( $options['modules'][ $post_type.'_options'] ) ) ) { foreach ( $options['modules'][ $post_type.'_options'] as $key => $val ) { $return[str_replace( $post_type.'_', '', $key )] = $val; } return $return; } if ( ! empty( $options['modules'][ $post_type.'_options'][ $post_type.'_'.$setting] ) ) { return $options['modules'][ $post_type.'_options'][ $post_type.'_'.$setting]; } else { return ''; } } /* * Update LearnDash setting for a post * * @since 2.1.0 * * @param id\|obj $post * @param string $setting * @param string $value * @return bool if update was successful / function learndash_update_setting( $post, $setting, $value ) { $return = false; if ( empty( $setting) ) { return $return; } // Were we sent a post ID? if ( is_numeric( $post ) ) { $post = get_post( $post ); } // Ensure we have a post object or type WP_Post! if ( is_a( $post, 'WP_Post' ) ) { $meta = get_post_meta( $post->ID, '_' . $post->post_type, true ); if ( ! is_array( $meta ) ) { $meta = array( $meta ); } $meta[ $post->post_type . '_' . $setting ] = $value; if ( 'course' === $setting ) { $value = intval( $value ); $meta[ $post->post_type.'_'.$setting] = $value; if ( !empty( $value ) ) update_post_meta( $post->ID, 'course_id', $value ); else delete_post_meta( $post->ID, 'course_id' ); } elseif ( 'course_access_list' === $setting ) { $value = learndash_convert_course_access_list( $value ); update_post_meta( $post->ID, 'course_access_list', $value ); $meta[ $post->post_type . '_' . $setting ] = $value; } elseif ( 'course_points' === $setting ) { $course_points = learndash_format_course_points( $value ); if ( ! empty( $course_points ) ) { update_post_meta( $post->ID, 'course_points', $course_points ); } else { delete_post_meta( $post->ID, 'course_points' ); } } elseif ( 'lesson' === $setting ) { $value = intval( $value ); $meta[ $post->post_type . '_' . $setting ] = $value; if ( ! empty( $value ) ) { update_post_meta( $post->ID, 'lesson_id', $value ); } else { delete_post_meta( $post->ID, 'lesson_id' ); } } elseif ( 'quiz' === $setting ) { update_post_meta( $post->ID, 'quiz_id', absint( $value ) ); } elseif ( 'quiz_pro' === $setting ) { $value = absint( $value ); // Moved from includes/class-ld-semper-fi-module.php line1052 $quiz_pro_id_new = $value; $quiz_pro_id_org = absint( get_post_meta( $post->ID, 'quiz_pro_id', true ) ); if ( ( ! empty( $quiz_pro_id_new ) ) && ( $quiz_pro_id_org !== $quiz_pro_id_new ) ) { /* * If this quiz was the primary for all shared settings. We need to * delete the primary marker then move the primary marker to another * quiz using the same shared settngs. / $quiz_id_primary_org = absint( learndash_get_quiz_primary_shared( $quiz_pro_id_org, false ) ); if ( $quiz_id_primary_org === $post->ID ) { delete_post_meta( $post->ID, 'quiz_pro_primary_' . $quiz_pro_id_org ); $quiz_post_ids = learndash_get_quiz_post_ids( $quiz_pro_id_org ); if ( ! empty( $quiz_post_ids ) ) { foreach ( $quiz_post_ids as $quiz_post_id ) { if ( $quiz_post_id !== $post->ID ) { update_post_meta( $quiz_post_id, 'quiz_pro_primary_' . $quiz_pro_id_org, $quiz_pro_id_org ); /* * After we move the primary marker we also need to move the questions. / $ld_quiz_questions_object = LDLMS_Factory_Post::quiz_questions( intval( $post->ID ) ); if ( $ld_quiz_questions_object ) { $questions = $ld_quiz_questions_object->get_questions( 'post_ids' ); $questions = get_post_meta( $post->ID, 'ld_quiz_questions', true ); update_post_meta( $quiz_post_id, 'ld_quiz_questions', $questions ); } break; } } } } $quiz_id_primary_new = absint( learndash_get_quiz_primary_shared( $quiz_pro_id_new, false ) ); if ( empty( $quiz_id_primary_new ) ) { update_post_meta( $post->ID, 'quiz_pro_primary_' . $quiz_pro_id_new, $quiz_pro_id_new ); // trigger to cause reloading of the questions. delete_post_meta( $post->ID, 'ld_quiz_questions' ); } global $wpdb; $sql_str = "DELETE FROM " . $wpdb->postmeta . " WHERE post_id=" . $post->ID . " AND meta_key like 'quiz_pro_id_%'"; $quiz_query_results = $wpdb->query( $sql_str ); update_post_meta( $post->ID, 'quiz_pro_id', $quiz_pro_id_new ); update_post_meta( $post->ID, 'quiz_pro_id_' . $quiz_pro_id_new, $quiz_pro_id_new ); } } elseif ( 'viewProfileStatistics' === $setting ) { update_post_meta( $post->ID, '_viewProfileStatistics', $value ); } elseif ( 'timeLimitCookie' === $setting ) { update_post_meta( $post->ID, '_timeLimitCookie', absint( $value ) ); } $return = update_post_meta( $post->ID, '_' . $post->post_type, $meta ); } return $return; } if ( ! function_exists( 'sfwd_lms_get_post_options' ) ) { /* * Set up wp query args for the post type that are saved in options * * @param string $post_type * @return array wp query arguments / function sfwd_lms_get_post_options( $post_type ) { global $sfwd_lms; // Set our default options $ret = array( 'order' => 'ASC', 'orderby' => 'date', 'posts_per_page' => get_option('posts_per_page') ); if ( ( !empty( $post_type ) ) && ( isset( $sfwd_lms->post_types[ $post_type ] ) ) ) { $cpt = $sfwd_lms->post_types[ $post_type ]; if ( ( $cpt ) && ( $cpt instanceof SFWD_CPT_Instance ) ) { $prefix = $cpt->get_prefix(); $options = $cpt->get_current_options(); if ((!empty($prefix)) && (!empty($options))) { foreach ( $ret as $k => $v ) { if ( ! empty( $options["{$prefix}{$k}"] ) ) { $ret[ $k ] = $options["{$prefix}{$k}"]; } } } if ( $post_type == 'sfwd-lessons' ) { $settings_fields = LearnDash_Settings_Section::get_section_settings_all('LearnDash_Settings_Section_Lessons_Display_Order'); if ( ( !empty( $settings_fields ) ) && ( is_array( $settings_fields ) ) ) { $ret = wp_parse_args( $settings_fields, $ret ); } } } } return $ret; } } /* * Output LearnDash Payment buttons * * @since 2.1.0 * * @uses learndash_get_function() * @uses sfwd_lms_has_access() * * @param id\|obj $course course id or WP_Post course object * @return string output of payment buttons / function learndash_payment_buttons( $course ) { if ( is_numeric( $course ) ) { $course_id = $course; $course = get_post( $course_id ); } else if ( ! empty( $course->ID ) ) { $course_id = $course->ID; } else { return ''; } $user_id = get_current_user_id(); if ( ( ! $course ) \|\| ( ! is_a( $course, 'WP_Post' ) ) \|\| ( $course->post_type != 'sfwd-courses' ) ) { return ''; } $meta = get_post_meta( $course_id, '_sfwd-courses', true ); $course_price_type = @$meta['sfwd-courses_course_price_type']; $course_price = @$meta['sfwd-courses_course_price']; $course_no_of_cycles = @$meta['sfwd-courses_course_no_of_cycles']; $course_price = @$meta['sfwd-courses_course_price']; $custom_button_url = @$meta['sfwd-courses_custom_button_url']; $custom_button_label = @$meta['sfwd-courses_custom_button_label']; // format the Course price to be proper XXX.YY no leading dollar signs or other values. if (( $course_price_type == 'paynow' ) \|\| ( $course_price_type == 'subscribe' )) { if ( $course_price != '' ) { $course_price = preg_replace( "/[^0-9.]/", '', $course_price ); $course_price = number_format( floatval( $course_price ), 2, '.', '' ); } } //$courses_options = learndash_get_option( 'sfwd-courses' ); //if ( ! empty( $courses_options ) ) { // extract( $courses_options ); //} $paypal_settings = LearnDash_Settings_Section::get_section_settings_all( 'LearnDash_Settings_Section_PayPal' ); if ( ! empty( $paypal_settings ) ) { $paypal_settings['paypal_sandbox'] = $paypal_settings['paypal_sandbox'] == 'yes' ? 1 : 0; } if ( sfwd_lms_has_access( $course->ID, $user_id ) ) { return ''; } if ( empty( $custom_button_label ) ) { $button_text = LearnDash_Custom_Label::get_label( 'button_take_this_course' ); } else { $button_text = esc_attr( $custom_button_label ); } if ( ! empty( $course_price_type ) && $course_price_type == 'closed' ) { if ( empty( $custom_button_url ) ) { $custom_button = ''; } else { $custom_button_url = trim( $custom_button_url ); /* * If the value does NOT start with [http://, https://, /] we prepend the home URL. / if ( ( stripos( $custom_button_url, 'http://', 0 ) !== 0 ) && ( stripos( $custom_button_url, 'https://', 0 ) !== 0 ) && ( strpos( $custom_button_url, '/', 0 ) !== 0 ) ) { $custom_button_url = get_home_url( null, $custom_button_url ); } $custom_button = '<a class="btn-join" href="' . esc_url( $custom_button_url ) . '" id="btn-join">' . $button_text . '</a>'; } $payment_params = array( 'custom_button_url' => $custom_button_url, 'post' => $course ); /* * Filter a closed course payment button * * @since 2.1.0 * * @param string $custom_button / return apply_filters( 'learndash_payment_closed_button', $custom_button, $payment_params ); } else if ( ! empty( $course_price ) ) { //include_once( 'vendor/paypal/enhanced-paypal-shortcodes.php' ); include_once( LEARNDASH_LMS_LIBRARY_DIR . '/paypal/enhanced-paypal-shortcodes.php' ); $paypal_button = ''; if ( ! empty( $paypal_settings['paypal_email'] ) ) { $post_title = str_replace(array('[', ']'), array('', ''), $course->post_title); if ( empty( $course_price_type ) \|\| $course_price_type == 'paynow' ) { $shortcode_content = do_shortcode( '[paypal type="paynow" amount="'. $course_price .'" sandbox="'. $paypal_settings['paypal_sandbox'] .'" email="'. $paypal_settings['paypal_email'] .'" itemno="'. $course->ID .'" name="'. $post_title .'" noshipping="1" nonote="1" qty="1" currencycode="'. $paypal_settings['paypal_currency'] .'" rm="2" notifyurl="'. $paypal_settings['paypal_notifyurl'] .'" returnurl="'. $paypal_settings['paypal_returnurl'] .'" cancelurl="'. $paypal_settings['paypal_cancelurl'] .'" imagewidth="100px" pagestyle="paypal" lc="'. $paypal_settings['paypal_country'] .'" cbt="'. esc_html__( 'Complete Your Purchase', 'learndash' ) . '" custom="'. $user_id. '"]' ); if (!empty( $shortcode_content ) ) { $paypal_button = wptexturize( '<div class="learndash_checkout_button learndash_paypal_button">'. $shortcode_content .'</div>'); } } else if ( $course_price_type == 'subscribe' ) { $course_price_billing_p3 = get_post_meta( $course_id, 'course_price_billing_p3', true ); $course_price_billing_t3 = get_post_meta( $course_id, 'course_price_billing_t3', true ); $srt = intval( $course_no_of_cycles ); $shortcode_content = do_shortcode( '[paypal type="subscribe" a3="'. $course_price .'" p3="'. $course_price_billing_p3 .'" t3="'. $course_price_billing_t3 .'" sandbox="'. $paypal_settings['paypal_sandbox'] .'" email="'. $paypal_settings['paypal_email'] .'" itemno="'. $course->ID .'" name="'. $post_title .'" noshipping="1" nonote="1" qty="1" currencycode="'. $paypal_settings['paypal_currency'] .'" rm="2" notifyurl="'. $paypal_settings['paypal_notifyurl'] .'" cancelurl="'. $paypal_settings['paypal_cancelurl'] .'" returnurl="'. $paypal_settings['paypal_returnurl'] .'" imagewidth="100px" pagestyle="paypal" lc="'. $paypal_settings['paypal_country'] .'" cbt="'. esc_html__( 'Complete Your Purchase', 'learndash' ) .'" custom="'. $user_id .'" srt="'. $srt .'"]' ); if (!empty( $shortcode_content ) ) { $paypal_button = wptexturize( '<div class="learndash_checkout_button learndash_paypal_button">'. $shortcode_content .'</div>' ); } } } $payment_params = array( 'price' => $course_price, 'post' => $course, ); /* * Filter PayPal payment button * * @since 2.1.0 * * @param string $paypal_button / $payment_buttons = apply_filters( 'learndash_payment_button', $paypal_button, $payment_params ); if ( ! empty( $payment_buttons ) ) { if ( ( !empty( $paypal_button ) ) && ( $payment_buttons != $paypal_button ) ) { $button = ''; $button .= '<div id="learndash_checkout_buttons_course_'. $course->ID .'" class="learndash_checkout_buttons">'; $button .= '<input id="btn-join-'. $course->ID .'" class="btn-join btn-join-'. $course->ID .' button learndash_checkout_button" data-jq-dropdown="#jq-dropdown-'. $course->ID .'" type="button" value="'. $button_text .'" />'; $button .= '</div>'; global $dropdown_button; $dropdown_button .= '<div id="jq-dropdown-'. $course->ID .'" class="jq-dropdown jq-dropdown-tip checkout-dropdown-button">'; $dropdown_button .= '<ul class="jq-dropdown-menu">'; $dropdown_button .= '<li>'; $dropdown_button .= str_replace($button_text, esc_html__('Use Paypal', 'learndash'), $payment_buttons); $dropdown_button .= '</li>'; $dropdown_button .= '</ul>'; $dropdown_button .= '</div>'; return apply_filters( 'learndash_dropdown_payment_button', $button ); } else { return '<div id="learndash_checkout_buttons_course_'. $course->ID .'" class="learndash_checkout_buttons">'. $payment_buttons .'</div>'; } } } else { $join_button = '<div class="learndash_join_button"><form method="post"> <input type="hidden" value="'. $course->ID .'" name="course_id" /> <input type="hidden" name="course_join" value="'. wp_create_nonce( 'course_join_'. get_current_user_id() .'_'. $course->ID ) .'" /> <input type="submit" value="'.$button_text.'" class="btn-join" id="btn-join" /> </form></div>'; $payment_params = array( 'price' => '0', 'post' => $course, 'course_price_type' => $course_price_type ); /* * Filter Join payment button * * @since 2.1.0 * * @param string $join_button / $payment_buttons = apply_filters( 'learndash_payment_button', $join_button, $payment_params ); return $payment_buttons; } } // Yes, global var here. This var is set within the payment button processing. The var will contain HTML for a fancy dropdown $dropdown_button = ''; add_action("wp_footer", 'ld_footer_payment_buttons'); function ld_footer_payment_buttons() { global $dropdown_button; if (!empty($dropdown_button)) { echo $dropdown_button; } } add_action('get_footer', 'learndash_get_footer'); function learndash_get_footer() { if (is_admin()) return; global $dropdown_button; if (empty($dropdown_button)) { wp_dequeue_script('jquery-dropdown-js'); } } /* * Payment buttons shortcode * * @since 2.1.0 * * @param array $attr shortcode attributes * @return string output of payment buttons / function learndash_payment_buttons_shortcode( $attr ) { global $learndash_shortcode_used; $learndash_shortcode_used = true; $shortcode_atts = shortcode_atts( array( 'course_id' => 0 ), $attr ); if ( empty( $shortcode_atts['course_id'] ) ) { $course_id = learndash_get_course_id(); if ( empty( $course_id ) ) { return ''; } $shortcode_atts['course_id'] = intval( $course_id ); } return learndash_payment_buttons( $shortcode_atts['course_id'] ); } add_shortcode( 'learndash_payment_buttons', 'learndash_payment_buttons_shortcode' ); /* * Check if lesson, topic, or quiz is a sample * * @since 2.1.0 * * @param id\|obj $post id of post or WP_Post object * @return bool / function learndash_is_sample( $post ) { if ( empty( $post) ) { return false; } if ( is_numeric( $post ) ) { $post = get_post( $post ); } if ( empty( $post->ID ) ) { return false; } if ( $post->post_type == learndash_get_post_type_slug( 'lesson' ) ) { $is_sample = false; if ( learndash_get_setting( $post->ID, 'sample_lesson' ) ) { $is_sample = true; } return apply_filters( 'learndash_lesson_is_sample', $is_sample, $post ); } if ( $post->post_type == learndash_get_post_type_slug( 'topic' ) ) { if ( LearnDash_Settings_Section::get_section_setting('LearnDash_Settings_Courses_Builder', 'shared_steps' ) == 'yes' ) { $course_id = learndash_get_course_id( $post ); $lesson_id = learndash_course_get_single_parent_step( $course_id, $post->ID ); } else { $lesson_id = learndash_get_setting( $post->ID, 'lesson' ); } if ( ( isset( $lesson_id ) ) && ( ! empty( $lesson_id ) ) ) { return learndash_is_sample( $lesson_id ); } } if ( $post->post_type == learndash_get_post_type_slug( 'quiz' ) ) { if ( LearnDash_Settings_Section::get_section_setting('LearnDash_Settings_Courses_Builder', 'shared_steps' ) == 'yes' ) { $course_id = learndash_get_course_id( $post ); $lesson_id = learndash_course_get_single_parent_step( $course_id, $post->ID ); } else { $lesson_id = learndash_get_setting( $post->ID, 'lesson' ); } if ( ( isset( $lesson_id ) ) && ( ! empty( $lesson_id ) ) ) { return learndash_is_sample( $lesson_id ); } } return false; } /* * Helper function for php output buffering * * @todo not sure what this is preventing with a while looping * counting to 10 and checking current buffer level * * @since 2.1.0 * * @param integer $level * @return string / function learndash_ob_get_clean( $level = 0 ) { $content = ''; $i = 1; while ( $i <= 10 && ob_get_level() > $level ) { $i++; $content = ob_get_clean(); } return $content; } /* * Redirect to home if user lands on archive pages for lesson or quiz post types * * @since 2.1.0 * * @param object $wp WP object / function ld_remove_lessons_and_quizzes_page( $wp ) { if ( ( is_archive() ) && ( ! is_admin() ) ) { $post_type = get_post_type(); if ( ( is_post_type_archive( $post_type ) ) && ( in_array( $post_type, learndash_get_post_types() ) ) ) { $has_archive = learndash_post_type_has_archive( $post_type ); if ( true !== $has_archive ) { wp_redirect( home_url() ); exit; } } } } add_action( 'wp', 'ld_remove_lessons_and_quizzes_page' ); /* * Utility function to check if a LEarnDash post type supports Archive. * * @since 3.0 * @param string $post_type LearnDash Post Type. * @return boolean true/false. / function learndash_post_type_has_archive( $post_type = '' ) { $has_archive = false; switch( $post_type ) { case learndash_get_post_type_slug( 'course' ): if ( 'yes' === LearnDash_Settings_Section::get_section_setting( 'LearnDash_Settings_Courses_CPT', 'has_archive' ) ) { $has_archive = true; } break; case learndash_get_post_type_slug( 'lesson' ): if ( 'yes' === LearnDash_Settings_Section::get_section_setting( 'LearnDash_Settings_Lessons_CPT', 'has_archive' ) ) { $has_archive = true; } break; case learndash_get_post_type_slug( 'topic' ): if ( 'yes' === LearnDash_Settings_Section::get_section_setting( 'LearnDash_Settings_Topics_CPT', 'has_archive' ) ) { $has_archive = true; } break; case learndash_get_post_type_slug( 'quiz' ): if ( 'yes' === LearnDash_Settings_Section::get_section_setting( 'LearnDash_Settings_Quizzes_CPT', 'has_archive' ) ) { $has_archive = true; } break; default: break; } /* * Allow filtering override. * * @since 3.0 / return apply_filters( 'learndash_post_type_has_archive', $has_archive, $post_type ); } /* * Removes comments * Filter callback for 'comments_array' (wp core hook) * * @since 2.1.0 * * @param array $comments Array of comments for post_id. * @param array $post_id Post ID showing. * @return array empty array / function learndash_remove_comments( $comments = array(), $post_id = 0 ) { if ( ! empty( $post_id ) ) { $post_type = get_post_type( $post_id ); if ( ( ! empty( $post_type ) ) && ( in_array( $post_type, learndash_get_post_types( 'course' ) ) ) ) { $post_type_object = get_post_type_object( $post_type ); if ( ( $post_type_object ) && ( is_a( $post_type_object, 'WP_Post_Type' ) ) ) { if ( true !== learndash_post_type_supports_comments( $post_type ) ) { $comments = array(); } else { $_post = get_post( $post_id ); if ( ( $_post ) && ( is_a( $_post, 'WP_Post' ) ) && ( 'open' === $_post->comment_status ) ) { if ( ( in_array( $_post->post_type, learndash_get_post_types( 'course_steps' ) ) ) && ( 'ld30' === LearnDash_Theme_Register::get_active_theme_key() ) && ( 'yes' === LearnDash_Settings_Section::get_section_setting( 'LearnDash_Settings_Theme_LD30', 'focus_mode_enabled' ) ) ) { $focus_mode_comments = apply_filters( 'learndash_focus_mode_comments', 'closed', $_post ); if ( 'closed' === $focus_mode_comments ) { $comments = array(); } } } else { $comments = array(); } } } } } return $comments; } /* * Ensure comments are open for assignments * * @since 2.1.0 * * @param bool $open Whether the current post is open for comments. * @param int\|obj $post_id The post ID or WP_Post object. * @return int\|obj $post_id The post ID or WP_Post object. / function learndash_comments_open( $open, $post_id = 0 ) { if ( ! empty( $post_id ) ) { $post_type = get_post_type( $post_id ); if ( ( ! empty( $post_type ) ) && ( in_array( $post_type, learndash_get_post_types( 'course' ) ) ) ) { $post_type_object = get_post_type_object( $post_type ); if ( ( $post_type_object ) && ( is_a( $post_type_object, 'WP_Post_Type' ) ) ) { if ( true === learndash_post_type_supports_comments( $post_type ) ) { $open = true; $_post = get_post( $post_id ); if ( ( $_post ) && ( is_a( $_post, 'WP_Post' ) ) && ( 'open' === $_post->comment_status ) ) { if ( ( in_array( $_post->post_type, learndash_get_post_types( 'course_steps' ) ) ) && ( 'ld30' === LearnDash_Theme_Register::get_active_theme_key() ) && ( 'yes' === LearnDash_Settings_Section::get_section_setting( 'LearnDash_Settings_Theme_LD30', 'focus_mode_enabled' ) ) ) { if ( $open === true ) { $focus_mode_comments = 'open'; } else { $focus_mode_comments = 'closed'; } $focus_mode_comments = apply_filters( 'learndash_focus_mode_comments', $focus_mode_comments, $_post ); if ( 'closed' === $focus_mode_comments ) { $open = false; } } } else { $open = false; } } else { $open = false; } } } } return $open; } add_action( 'wp', function() { add_filter( 'comments_array', 'learndash_remove_comments', 1, 2 ); add_filter( 'comments_open', 'learndash_comments_open', 10, 2 ); }); if ( ! function_exists( 'ld_debug' ) ) { /* * Log debug messages to file * * @param int\|str\|arr\|obj\|bool $msg data to log / function ld_debug( $msg ) { } } /* * Convert seconds to time * * @since 2.1.0 * * @param int $inputSeconds * @return string time output / function learndash_seconds_to_time( $inputSeconds ) { $secondsInAMinute = 60; $secondsInAnHour = 60 $secondsInAMinute; $secondsInADay = 24 * $secondsInAnHour; $return = ''; // extract days $days = floor( $inputSeconds / $secondsInADay ); $return .= empty( $days ) ? '' : $days.'day'; // extract hours $hourSeconds = $inputSeconds % $secondsInADay; $hours = floor( $hourSeconds / $secondsInAnHour ); $return .= ( empty( $hours ) && empty( $days ) )? '':' '.$hours.'hr'; // extract minutes $minuteSeconds = $hourSeconds % $secondsInAnHour; $minutes = floor( $minuteSeconds / $secondsInAMinute ); $return .= ( empty( $hours ) && empty( $days ) && empty( $minutes ) ) ? '' : ' '.$minutes.'min'; // extract the remaining seconds $remainingSeconds = $minuteSeconds % $secondsInAMinute; $seconds = ceil( $remainingSeconds ); $return .= ' '.$seconds.'sec'; return trim( $return ); } /** * Convert a timestamp to locally timezone adjusted output display * * @since 2.2.0 * * @param int $timestamp timestamp to display * @param string $display_format optional display format * @return string offset adjusted displayed date/time / function learndash_adjust_date_time_display($timestamp = 0, $display_format = '' ) { $date_time_display = ''; if ($timestamp != 0) { if ( empty( $display_format ) ) { $display_format = apply_filters('learndash_date_time_formats', get_option('date_format') .' '. get_option('time_format')); } // First we convert the timestamp to local Y-m-d H:i:s format $date_time_display = get_date_from_gmt( date('Y-m-d H:i:s', $timestamp), 'Y-m-d H:i:s' ); // Then we take that value and reconvert it to a timestamp and call date_i18n to translate the month, date name etc. $date_time_display = date_i18n( $display_format, strtotime( $date_time_display ) ); } return $date_time_display; } function learndash_get_timestamp_from_date_string( $date_string = '', $adjust_to_gmt = true ) { $value_timestamp = 0; if ( !empty( $date_string ) ) { $value_timestamp = strtotime( $date_string ); if ( ( !empty( $value_timestamp ) ) && ( $adjust_to_gmt ) ) { $value_ymd = get_gmt_from_date( date( 'Y-m-d H:i:s', $value_timestamp ), 'Y-m-d H:i:s' ); if ( !empty( $value_ymd ) ) { $value_timestamp = strtotime($value_ymd); } else { $value_timestamp = 0; } } } return $value_timestamp; } /* * Check if server is on Microsoft IIS * * @since 2.1.0 * * @return bool / function learndash_on_iis() { $sSoftware = strtolower( $_SERVER['SERVER_SOFTWARE'] ); if ( strpos( $sSoftware, 'microsoft-iis' ) !== false ) { return true; } else { return false; } } /* * Helper function to print_r() in preformatted text * * @since 2.1.0 * * @param string $msg / function ldp( $msg ) { echo '<pre>'; print_r( $msg ); echo '</pre>'; } /* * Utility function to traverse multidimensional array and apply user function * * @since 2.1.2 * * @param function $func callable user defined or system function. This * should be 'esc_attr', or some similar function. * @param array $arr This is the array to traverse and cleanup. * * @return array $arr cleaned array / function array_map_r( $func, $arr) { foreach( $arr as $key => $value ) { if (is_array( $value ) ) { $arr[ $key ] = array_map_r( $func, $value ); } else if (is_array($func)) { $arr[ $key ] = call_user_func_array($func, $value); } else { $arr[ $key ] = call_user_func( $func, $value ); } } return $arr; } function learndash_format_course_points( $points, $decimals = 1 ) { $points = preg_replace("/[^0-9.]/", '', $points ); $points = round( floatval( $points ), apply_filters( 'learndash_course_points_format_round', $decimals ) ); return floatval( $points ); } /* * Utility function to accept a file path and swap it out for a URL * This function is used in combination with get_template() to take * a local file system path and filename and replace the beginning part * matching ABSPATH with the home URL. * * @since 2.4.2 * * @param string $filepath The file path and filename * * @return string $$fileurl The URL to the template file / function learndash_template_url_from_path( $filepath = '' ) { if ( !empty( $filepath ) ) { // Ensure we are handling Windows separators. $WP_CONTENT_DIR_tmp = str_replace('\\', '/', WP_CONTENT_DIR ); $filepath = str_replace('\\', '/', $filepath ); $filepath = str_replace( $WP_CONTENT_DIR_tmp, WP_CONTENT_URL, $filepath ); $filepath = str_replace( array('https://', 'http://' ), array('//', '//' ), $filepath ); } return $filepath; } /* * Normally Course, Lesson, Topic and Quiz settings are stored into a single postmeta array. This * function runs after after that save and will save the array elements into individual postmeta * fields. * @param $course_id int required post_meta course_id * @param $settings array array of settings to be stored * * @return none * * @since 2.4.3 / function learndash_convert_settings_to_single( $post_id = 0, $settings = array(), $prefix = '' ) { return; // Disabled for now. if ( ( !empty( $post_id ) ) && ( !empty( $settings ) ) && ( is_array( $settings ) ) ) { foreach( $settings as $setting_key => $setting_value ) { if ( ( !empty( $prefix ) ) && ( !empty( $setting_key ) ) ) { $setting_key = str_replace( $prefix.'_', '', $setting_key ); } if ( ( is_array( $setting_value ) ) && ( empty( $setting_value ) ) ) { $setting_value = ''; } update_post_meta( $post_id, $setting_key, $setting_value ); } // Create a queryable marker so we know this settings has been converted. update_post_meta( $post_id, '_settings_to_single', true ); } } function learndash_check_convert_settings_to_single( $post_id = 0, $prefix = '' ) { return; // Disabled for now. if ( !empty( $post_id ) ) { if ( !get_post_meta( $post_id, '_settings_to_single', true ) ) { $settings = get_post_meta( $post_id, '_'. $prefix, true ); learndash_convert_settings_to_single( $post_id, $settings, $prefix ); } } } // Used when saving a single setting. This will then trigger an update to the array setting function learndash_update_post_meta( $meta_id = 0, $object_id = '', $meta_key = '', $meta_value = '' ) { static $in_process = false; if ( $in_process === true ) return; $object_post_type = get_post_type( $object_id ); if ( $object_post_type === 'sfwd-courses' ) { if ( $meta_key === '_sfwd-courses' ) { if ( isset( $meta_value['sfwd-courses_course_access_list'] ) ) { //remove_action( 'update_post_meta', 'learndash_update_post_meta' ); $in_process = true; update_post_meta( $object_id, 'course_access_list', $meta_value['sfwd-courses_course_access_list'] ); $in_process = false; //add_action( 'update_post_meta', 'learndash_update_post_meta' ); } } else if ( in_array( $meta_key, array( 'course_access_list' ) ) ) { $settings = get_post_meta( $object_id, '_'. $object_post_type, true ); $settings['sfwd-courses_'. $meta_key] = $meta_value; //remove_action( 'update_post_meta', 'learndash_update_post_meta' ); $in_process = true; update_post_meta( $object_id, '_'. $object_post_type, $settings ); $in_process = false; //add_action( 'update_post_meta', 'learndash_update_post_meta' ); } } } add_action( 'update_post_meta', 'learndash_update_post_meta', 20, 4 ); /* * Used for the Support panel to get the MySQL priveleges for the DB_USER defined in the wp-config * * @since 2.4.7 * * @returns array of grants / function learndash_get_db_user_grants() { global $wpdb; $grants = array(); if ( ( defined( 'DB_USER' ) ) && ( defined( 'DB_HOST' ) ) && ( DB_HOST === 'localhost' ) ) { $grants_sql_str = "SHOW GRANTS FOR '". DB_USER ."'@'". DB_HOST ."';"; $level = ob_get_level(); ob_start(); $grants_results = $wpdb->query($grants_sql_str); if ( !empty( $grants_results ) ) { foreach( $wpdb->last_result as $result_object ) { foreach( $result_object as $result_key => $result_string ) { preg_match('/GRANT (.?) ON /', $result_string, $result_perms); if ( ( isset( $result_perms[1] ) ) && ( !empty( $result_perms[1] ) ) ) { $perms = explode(',', $result_perms[1] ); $perms = array_map( 'trim', $perms ); $grants = array_merge( $grants, $perms ); } } } } $contents = learndash_ob_get_clean( $level ); if ( !empty( $grants ) ) { $grants = array_unique( $grants ); } } return $grants; } /** * Utility function to recursively remove a directory. * * @since 1.0.3 * @see * * @param $dir directory path to remove * @return none / function learndash_recursive_rmdir( $dir = '' ) { if ( ( !empty( $dir ) ) && ( is_dir( $dir ) ) ) { $objects = scandir($dir); foreach ($objects as $object) { if ($object != "." && $object != "..") { if (filetype($dir."/".$object) == "dir") learndash_recursive_rmdir($dir."/".$object); else unlink($dir."/".$object); } } reset($objects); rmdir($dir); } } /* * Utility function to parse and validate the Assignment upload extensions allowed. * This utility function will trim, convert to lowercase and rmeove '.', ans unique * * @since 2.5 * @see * * @param $exts array of extensions: zip, doc, pdf * @return $exts array or corrected values. / function learndash_validate_extensions( $exts = array() ) { if ( ( is_string( $exts ) ) && ( !empty( $exts ) ) ) { $exts = explode(',', $exts ); $exts = array_map( 'trim', $exts ); $exts = array_map( function( $ext ){ return str_replace('.', '', $ext ); }, $exts ); } return $exts; } /* * Utility function to check string for valid JSON. / function learndash_is_valid_JSON( $string ) { $json = json_decode( $string ); return (is_object($json) && json_last_error() == JSON_ERROR_NONE) ? true : false; } /* * Controls the output of the Feeds (RSS2 etc) for the various custom post types * used within LearnDash. By default the only feed should be for Courses (sfwd-courses). * All other post types are disabled by default. * * @since 2.6.0 * @param object $query WP_Query instance. / function learndash_pre_posts_feeds( $query ) { if ( ( ! is_admin() ) && ( $query->is_main_query() ) && ( true === $query->is_feed ) ) { $feed_post_type = get_query_var( 'post_type' ); if ( ! empty( $feed_post_type ) ) { if ( true !== learndash_post_type_supports_feed( $feed_post_type ) ) { $query->set( 'post__in', array(0) ); } } } } add_action( 'pre_get_posts', 'learndash_pre_posts_feeds' ); function learndash_post_type_supports_feed( $feed_post_type = '' ) { if ( ( ! empty( $feed_post_type ) ) && ( in_array( $feed_post_type, LDLMS_Post_Types::get_post_types() ) ) ) { $feed_post_type_object = get_post_type_object( $feed_post_type ); if ( ( $feed_post_type_object ) && ( is_a( $feed_post_type_object, 'WP_Post_Type' ) ) ) { // Default for LD Post types is false; $cpt_has_feed = false; $class_key = array( learndash_get_post_type_slug( 'course' ) => 'LearnDash_Settings_Courses_CPT', learndash_get_post_type_slug( 'lesson' ) => 'LearnDash_Settings_Lessons_CPT', learndash_get_post_type_slug( 'topic' ) => 'LearnDash_Settings_Topics_CPT', learndash_get_post_type_slug( 'quiz' ) => 'LearnDash_Settings_Quizzes_CPT', ); $has_archive = false; $has_feed = false; if ( isset( $class_key[ $feed_post_type ] ) ) { $has_archive = LearnDash_Settings_Section::get_section_setting( $class_key[ $feed_post_type ], 'has_archive' ); $has_feed = LearnDash_Settings_Section::get_section_setting( $class_key[ $feed_post_type ], 'has_feed' ); if ( ( 'yes' === $has_archive ) && ( 'yes' === $has_feed ) ) { $cpt_has_feed = true; } } /* * Allow filtering if the site want to show feeds for the custom post type. * * @siince 2.6.0 * @param boolean false default value per post type has_archive setting. * @param string $feed_post_type Post Type slug. * @param object $feed_post_type_object WP_Post_Type instance. * @return true to show feed. False to not show feed. / $cpt_has_feed = apply_filters( 'learndash_post_type_feed', $cpt_has_feed, $feed_post_type, $feed_post_type_object ); } } else { // For aNY non-LD post type is return true to let them pass thru. $cpt_has_feed = true; } return $cpt_has_feed; } function learndash_post_type_supports_comments( $feed_post_type = '' ) { if ( ( ! empty( $feed_post_type ) ) && ( in_array( $feed_post_type, learndash_get_post_types( 'course' ) ) ) ) { $feed_post_type_object = get_post_type_object( $feed_post_type ); if ( ( $feed_post_type_object ) && ( is_a( $feed_post_type_object, 'WP_Post_Type' ) ) ) { // Default for LD Post types is false; $cpt_has_comments = false; $class_key = array( learndash_get_post_type_slug( 'course' ) => 'LearnDash_Settings_Courses_CPT', learndash_get_post_type_slug( 'lesson' ) => 'LearnDash_Settings_Lessons_CPT', learndash_get_post_type_slug( 'topic' ) => 'LearnDash_Settings_Topics_CPT', learndash_get_post_type_slug( 'quiz' ) => 'LearnDash_Settings_Quizzes_CPT', ); if ( isset( $class_key[ $feed_post_type ] ) ) { $supports = LearnDash_Settings_Section::get_section_setting( $class_key[ $feed_post_type ], 'supports' ); if ( ( ! empty( $supports ) ) && ( in_array( 'comments', $supports ) ) ) { $cpt_has_comments = true; } } /* * Allow filtering if the site want to show feeds for the custom post type. * * @siince 2.6.0 * @param boolean false default value per post type has_archive setting. * @param string $feed_post_type Post Type slug. * @param object $feed_post_type_object WP_Post_Type instance. * @return true to show feed. False to not show feed. / $cpt_has_comments = apply_filters( 'learndash_post_comments', $cpt_has_comments, $feed_post_type, $feed_post_type_object ); return $cpt_has_comments; } } } /* * Manage Post update message for legacy editor screen * * @since 2.6.4 * @param array $pst_messaged Array of post messages by post_type. * @return array $post_messages. / function learndash_post_updated_messages( $post_messages = array() ) { global $pagenow, $post_ID, $post_type, $post_type_object, $post; if ( ( $post_type ) && ( in_array( $post_type, LDLMS_Post_Types::get_post_types() ) ) && ( ! isset( $post_messages[ $post_type ] ) ) ) { $preview_post_link_html = ''; $scheduled_post_link_html = ''; $view_post_link_html = ''; $viewable = is_post_type_viewable( $post_type_object ); if ( $viewable ) { $preview_url = get_preview_post_link( $post ); $permalink = learndash_get_step_permalink( $post_ID ); // Preview post link. $preview_post_link_html = sprintf( ' <a target="_blank" href="%1$s">%2$s</a>', esc_url( $preview_url ), __( 'Preview' ) ); // Scheduled post preview link. $scheduled_post_link_html = sprintf( ' <a target="_blank" href="%1$s">%2$s</a>', esc_url( $permalink ), __( 'Preview' ) ); // View post link. $view_post_link_html = sprintf( ' <a href="%1$s">%2$s</a>', esc_url( $permalink ), __( 'View' ) ); } / translators: Publish box date format, see https://secure.php.net/date / $scheduled_date = date_i18n( __( 'M j, Y @ H:i', 'default' ), strtotime( $post->post_date ) ); $post_messages[ $post_type ] = array( 0 => '', // Unused. Messages start at index 1. 1 => sprintf( _x( '%s updated.', 'placeholder: Post Type Singlular Label', 'learndash' ), $post_type_object->labels->singular_name ) . $view_post_link_html, 2 => __( 'Custom field updated.', 'learndash' ), 3 => __( 'Custom field deleted.', 'learndash' ), 4 => sprintf( _x( '%s updated.', 'placeholder: Post Type Singlular Label', 'learndash' ), $post_type_object->labels->singular_name ), / translators: %s: date and time of the revision / 5 => isset($_GET['revision']) ? sprintf( _x( '%1$s restored to revision from %2$s.', 'placeholder: Post Type Singular Label, Revision Title', 'learndash' ), $post_type_object->labels->singular_name, wp_post_revision_title( (int) $_GET['revision'], false ) ) : false, 6 => sprintf( _x( '%s published.', 'placeholder: Post Type Singlular Label', 'learndash' ), $post_type_object->labels->singular_name ) . $view_post_link_html, 7 => sprintf( _x( '%s saved.', 'placeholder: Post Type Singlular Label', 'learndash' ), $post_type_object->labels->singular_name ), 8 => sprintf( _x( '%s submitted.', 'placeholder: Post Type Singlular Label', 'learndash' ), $post_type_object->labels->singular_name ) . $preview_post_link_html, 9 => sprintf( _x( '%1$s scheduled for: %2$s.', 'placeholder: Post Type Singlular Label, scheduled date', 'learndash' ), $post_type_object->labels->singular_name, '<strong>' . $scheduled_date . '</strong>' ) . $scheduled_post_link_html, 10 => sprintf( _x( '%s draft updated.', 'placeholder: Post Type Singlular Label', 'learndash' ), $post_type_object->labels->singular_name ) . $preview_post_link_html, ); } // Always return $post_messages; return $post_messages; } add_filter( 'post_updated_messages', 'learndash_post_updated_messages' ); /* * Retreive the number of posts by post_type. * * @ince 3.0 * @param string $post_type Post Typ slug to count. * @return int Number of posts by type. / function learndash_get_total_post_count( $post_type = '' ) { $count_total = 0; if ( ( $post_type ) && ( in_array( $post_type, LDLMS_Post_Types::get_post_types() ) ) ) { $post_counts = wp_count_posts( $post_type ); // Convert to array. $post_counts = json_decode( json_encode( $post_counts ), true ); /* * We only count the post status shown in the admin * @since 3.0.4 / $show_in_admin_post_stati = get_post_stati( array( 'show_in_admin_status_list' => true ) ); $show_in_admin_post_stati = apply_filters( 'learndash_admin_post_stati', $show_in_admin_post_stati, $post_type, $post_counts ); if ( ! empty( $show_in_admin_post_stati ) ) { foreach( $show_in_admin_post_stati as $post_status ) { if ( isset( $post_counts[ $post_status ] ) ) { $count_total += absint( $post_counts[ $post_status ] ); } } } } return $count_total; } /* * Check the post_type is not empty * * @param array $query_args WP_Query query args array. / function learndash_check_query_post_type( $query_args = array() ) { $total_post_count = 0; if ( ( isset( $query_args['post_type'] ) ) && ( ! empty( $query_args['post_type'] ) ) ) { if ( is_string( $query_args['post_type'] ) ) { $total_post_count += learndash_get_total_post_count( $query_args['post_type'] ); } elseif ( is_array( $query_args['post_type'] ) ) { foreach( $query_args['post_type'] as $post_type ) { $total_post_count += learndash_get_total_post_count( $query_args['post_type'] ); } } } return $total_post_count; } /* * convert the stored lesson timer value from the postmeta settings into number of total seconds. / function learndash_convert_lesson_time_time( $timer_time = 0 ) { if ( ! empty( $timer_time ) ) { $time_sections = explode( ' ', $timer_time ); $h = $m = $s = 0; foreach ( $time_sections as $k => $v ) { $value = trim( $v ); if ( strpos( $value, 'h' ) ) { $h = intVal( $value ); } elseif ( strpos( $value, 'm' ) ) { $m = intVal( $value ); } elseif ( strpos( $value, 's' ) ) { $s = intVal( $value ); } } $time = ( $h 60 * 60 ) + ( $m * 60 ) + $s; if ( $time != 0 ) { $timer_time = absint( $time ); } } return $timer_time; } /** * Utility function to update the comment_status foeld for all posts of <post_type. * * @since 3.0 * @param string $post_type Post Type to change. * @param string $comment_status New comment status. Allowed values 'open' or 'closed'. / function learndash_update_posts_comment_status( $post_type = '', $comment_status = false ) { global $learndash_question_types; if ( ! empty( $post_type ) ) { $ld_post_types = learndash_get_post_types(); if ( in_array( $post_type, $ld_post_types ) ) { if ( in_array( $comment_status, array( 'open', 'closed' ) ) ) { if ( apply_filters( 'learndash_update_posts_comment_status', true, $post_type, $comment_status ) ) { global $wpdb; $wpdb->query( $wpdb->prepare( 'UPDATE wp_posts SET comment_status = %s WHERE post_type = %s', $comment_status, $post_type ) ); } } } } } /* * Utility function to load minified version of CSS/JS assets. * * @since 3.0.3 / function leardash_min_asset() { return ( ( defined( 'LEARNDASH_SCRIPT_DEBUG' ) && ( LEARNDASH_SCRIPT_DEBUG === true ) ) ? '' : '.min' ); } /* * Utility function to load minified version of CSS/JS builder assets. * * @since 3.0.3 / function leardash_min_builder_asset() { return ( ( defined( 'LEARNDASH_BUILDER_DEBUG' ) && ( LEARNDASH_BUILDER_DEBUG === true ) ) ? '' : '.min' ); } /* * Builds a recursive listing of files from a given base path name. * * @since 3.0.3 * @param string $base Top-level directory of tree to scan. * @return array Array of files found. / function learndash_scandir_recursive( $base = '' ) { if ( ( ! $base ) \|\| ( ! strlen( $base ) ) ) { return array(); } if ( ! file_exists( $base ) ) { return array(); } $data = array_diff( scandir( $base ), array( '.', '..' ) ); $subs = array(); foreach ( $data as $key => $value ) { if ( is_dir($base . '/' . $value) ) { unset($data[$key]); $subs[] = learndash_scandir_recursive($base . '/' . $value); } elseif ( is_file($base . '/' . $value) ) { $data[$key] = $base . '/' . $value; } } if ( count( $subs ) ) { foreach ( $subs as $sub ) { $data = array_merge($data, $sub); } } return $data; } /* * Filter to prevent Custom Fields metabox from showing/saving LD keys. * * @since 3.0.4 * @param boolean $protected Boolean default to false. * @param string $meta_key Meta Key to check. * @param string $meta_type Will be 'post' for post meta. * @return boolean true if protected, false if not. / function learndash_is_protected_meta( $protected = false, $meta_key = '', $meta_type = '' ) { if ( ( 'post' === $meta_type ) && ( ! empty( $meta_key ) ) && ( '_' !== $meta_key[0] ) ) { // Try and determine the post type used. global $typenow; $post_type = $typenow; if ( empty( $post_type ) ) { if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) { if ( ( isset( $_POST['action'] ) ) && ( 'add-meta' === $_POST['action'] ) ) { if ( ( isset( $_POST['post_id'] ) ) && ( ! empty( $_POST['post_id'] ) ) ) { $post_id = absint( $_POST['post_id'] ); $post_type = get_post_type( $post_id ); } } } } // If post type is not empty and onf othe LD types. if ( ( ! empty( $post_type ) ) && ( in_array( $post_type, learndash_get_post_types() ) ) ) { $protected_meta_keys = array( 'course_id', 'lesson_id', 'course_price_billing_p3', 'course_price_billing_t3', 'course_sections', 'ld_course_steps', 'course_access_list', 'quiz_pro_id', 'ld_course_steps_dirty', 'ld_auto_enroll_group_courses', 'question_pro_id', 'course_points', 'ld_quiz_questions', 'ld_quiz_questions_dirty', 'learndash_certificate_options', 'question_id', 'ld_essay_grading_response', 'question_points', 'question_type', 'question_pro_id', 'question_pro_category' ); if ( ( in_array( $meta_key, $protected_meta_keys ) ) ) { $protected = true; } else if ( 'ld_course_' === substr( $meta_key, 0, strlen( 'ld_course_' ) ) ) { $protected = true; } else if ( 'quiz_pro_id_' === substr( $meta_key, 0, strlen( 'quiz_pro_id_' ) ) ) { $protected = true; } else if ( 'quiz_pro_primary_' === substr( $meta_key, 0, strlen( 'quiz_pro_primary_' ) ) ) { $protected = true; } else if ( 'learndash_group_enrolled_' === substr( $meta_key, 0, strlen( 'learndash_group_enrolled_' ) ) ) { $protected = true; } else if ( 'learndash_group_users_' === substr( $meta_key, 0, strlen( 'learndash_group_users_' ) ) ) { $protected = true; } } } return $protected; } add_filter( 'is_protected_meta', 'learndash_is_protected_meta', 30, 3 ); /* * Filter the menus being displayed to show the login/logout. * Look for items where the 'url' is '#login'. * @since 3.0.7 * @param array $menu_items From WP Menu items to be displayed. * @param array $menu_args From WP Menu args related to the menu set to be displayed. * @return array $menu_items / function learndash_login_menu_items( $menu_items, $menu_args = array() ) { foreach ( $menu_items as $menu_key => &$menu_item ) { /* * Check the properties we need exist and not empty. We shouldn't need to do this * since the array of menu items comes from WP. See LEARNDASH-3812. / if ( ( ! isset( $menu_item->url ) ) \|\| ( empty( $menu_item->url ) ) \|\| ( ! isset( $menu_item->classes ) ) \|\| ( ! is_array( $menu_item->classes ) ) \|\| ( empty( $menu_item->classes ) ) ) { continue; } if ( ( strpos( $menu_item->url, '#login' ) !== false ) && ( in_array( 'ld-button', $menu_item->classes ) ) ) { /* * Allow externals to override processing of menu_item. * * @since 3.0.7 * @var boolean Process this menu item. True. * @var object $menu_item WP_Post object for menu item. * @var array $menu_args Args array related to menu being processed / displayed. * @return boolean. If true is not returned the menu item will not be processed for LD login modal. / if ( apply_filters( 'learndash_login_menu_item_process', true, $menu_item, $menu_args ) ) { if ( ( empty( $menu_item->post_content ) ) \|\| ( strpos( $menu_item->post_content, '[learndash_login' ) === false ) ) { $shortcode = '[learndash_login return="atts"]'; } else { $shortcode = str_replace( '[learndash_login', '[learndash_login return="atts" ', $menu_item->post_content ); } $menu_item->post_content = ''; $menu_item->description = ''; $active_template_key = LearnDash_Theme_Register::get_active_theme_key(); $login_mode_enabled = LearnDash_Settings_Section::get_section_setting( 'LearnDash_Settings_Theme_LD30', 'login_mode_enabled' ); if ( ( 'ld30' === $active_template_key ) && ( 'yes' === $login_mode_enabled ) ) { $shortcode_return = do_shortcode( $shortcode ); $shortcode_atts = maybe_unserialize( $shortcode_return ); learndash_load_login_modal_html(); } else { // If here we are not using the LD30 templates. So the handling of the menu item is simple link to WP login/logout. $shortcode = str_replace( array( '[learndash_login', ']'), '', $shortcode); $atts = shortcode_parse_atts( $shortcode ); $shortcode_atts = array(); if ( is_user_logged_in() ) { if ( ( isset( $atts['logout_url'] ) ) && ( ! empty( $atts['logout_url'] ) ) ) { $shortcode_atts['url'] = $atts['logout_url']; } else { $shortcode_atts['url'] = wp_logout_url( get_permalink() ); } if ( ( isset( $atts['logout_label'] ) ) && ( ! empty( $atts['logout_label'] ) ) ) { $shortcode_atts['title'] = $atts['logout_label']; } else { $shortcode_atts['title'] = __( 'Logout', 'learndash' ); } } else { if ( ( isset( $atts['login_url'] ) ) && ( ! empty( $atts['login_url'] ) ) ) { $shortcode_atts['url'] = $atts['login_url']; } else { $shortcode_atts['url'] = wp_login_url( get_permalink() ); } if ( ( isset( $atts['login_label'] ) ) && ( ! empty( $atts['login_label'] ) ) ) { $shortcode_atts['title'] = $atts['login_label']; } else { $shortcode_atts['title'] = __( 'Login', 'learndash' ); } } } /* * Allow externals to override menu_item attributes before they are applied. * * @since 2.0.7 * @var array $shortcode_atts Shortcode array containing url, label, etc. * @var object $menu_item WP_Post object for menu item. * @var array $menu_args Args array related to menu being processed / displayed. * @return object $menu_item. / $shortcode_atts = apply_filters( 'learndash_login_menu_item_atts', $shortcode_atts, $menu_item, $menu_args ); if ( ( isset( $shortcode_atts['url'] ) ) && ( ! empty( $shortcode_atts['url'] ) ) ) { $menu_item->url = $shortcode_atts['url']; } if ( ( isset( $shortcode_atts['label'] ) ) && ( ! empty( $shortcode_atts['label'] ) ) ) { $menu_item->title = $shortcode_atts['label']; } /* * Allow externals to override final menu_item. * * @since 2.0.7 * @var object $menu_item WP_Post object for menu item. * @var array $menu_args Args array related to menu being processed / displayed. * @return object $menu_item. / $menu_item = apply_filters( 'learndash_login_menu_item', $menu_item, $menu_args ); } } } return $menu_items; } add_filter( 'wp_nav_menu_objects', 'learndash_login_menu_items', 30, 2 ); global $learndash_login_model_html; $learndash_login_model_html = false; /* * Wrapper function to include the modal login in the footer of the HTML. / function learndash_load_login_modal_html() { global $learndash_login_model_html; // Check that we are running the LD30 theme and login mode enabled. $active_template_key = LearnDash_Theme_Register::get_active_theme_key(); $login_mode_enabled = LearnDash_Settings_Section::get_section_setting( 'LearnDash_Settings_Theme_LD30', 'login_mode_enabled' ); if ( ( 'ld30' === $active_template_key ) && ( 'yes' === $login_mode_enabled ) ) { // Don't need to load the HTML if the user is already logged in. if ( ( ! is_user_logged_in() ) && ( function_exists( 'learndash_get_template_part' ) ) ) { if ( false === $learndash_login_model_html ) { $learndash_login_model_html = learndash_get_template_part( 'modules/login-modal.php', array(), false ); if ( false !== $learndash_login_model_html ) { add_action( 'wp_footer', function() { global $learndash_login_model_html; if ( ( isset( $learndash_login_model_html ) ) && ( ! empty( $learndash_login_model_html ) ) ) { echo '<div class="learndash-wrapper learndash-wrapper-login-modal ld-modal-closed">' . $learndash_login_model_html . '</div>'; } }); } } } } } /* * Add custom classes to body * @since 3.1 * @param array $classes Array of current body classes. * @return array $classes. / function learndash_body_classes( $classes = array() ) { if ( in_array( get_post_type(), learndash_get_post_types(), true ) ) { $custom_classes = array(); $custom_classes[] = 'learndash-cpt'; $custom_classes[] = 'learndash-cpt-' . get_post_type(); if ( true === apply_filters( 'learndash_responsive_video', true, get_post_type(), get_the_ID() ) ) { $custom_classes[] = 'learndash-embed-responsive'; } $custom_classes = apply_filters( 'learndash_body_classes', $custom_classes, get_post_type(), get_the_ID() ); if ( ( ! empty( $custom_classes ) ) && ( is_array( $custom_classes ) ) ) { $classes = array_merge( $classes, $custom_classes ); $classes = array_unique( $classes ); } } return $classes; } add_filter( 'body_class', 'learndash_body_classes', 100, 1 ); /* * Utility function to recalcuate the length of string vars within serialized data. * taken from http://lea.verou.me/2011/02/convert-php-serialized-data-to-unicode/ * * @since 3.1 * @param string $serialized_text Serialized text. * @return striing serialized text. */ function learndash_recount_serialized_bytes( $serialized_text = '' ) { if ( ! empty( $serialized_text ) ) { mb_internal_encoding("UTF-8"); mb_regex_encoding("UTF-8"); mb_ereg_search_init($serialized_text, 's:[0-9]+:"'); $offset = 0; while(preg_match('/s:([0-9]+):"/u', $serialized_text, $matches, PREG_OFFSET_CAPTURE, $offset) \|\| preg_match('/s:([0-9]+):"/u', $serialized_text, $matches, PREG_OFFSET_CAPTURE, ++$offset)) { $number = $matches[1][0]; $pos = $matches[1][1]; $digits = strlen("$number"); $pos_chars = mb_strlen(substr($serialized_text, 0, $pos)) + 2 + $digits; $str = mb_substr($serialized_text, $pos_chars, $number); $new_number = strlen($str); $new_digits = strlen($new_number); if($number != $new_number) { // Change stored number $serialized_text = substr_replace($serialized_text, $new_number, $pos, $digits); $pos += $new_digits - $digits; } $offset = $pos + 2 + $new_number; } } return $serialized_text; } function learndash_get_single_post( $post_type = '' ) { if ( ( ! empty( $post_type ) ) && ( in_array( $post_type, learndash_get_post_types() ) ) ) { $post_query_args = array( 'post_type' => $post_type, 'posts_per_page' => 1, 'post_status' => 'publish', 'fields' => 'ids', ); $post_query = new WP_Query( $post_query_args ); if ( ( is_a( $post_query, 'WP_Query' ) ) && ( property_exists( $post_query, 'posts' ) ) && ( ! empty( $post_query->posts ) ) ) { return $post_query->posts[0]; } } }

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