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<?php
/**
* LearnDash `[ld_topic_list]` shortcode processing.
*
* @since 2.1.0
*
* @package LearnDash\Shortcodes
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Builds the `[ld_topic_list]` shortcode output.
*
* @global boolean $learndash_shortcode_used
*
* @since 2.1.0
*
* @param array $attr {
* An array of shortcode attributes.
*
* Default empty array. {@see 'ld_course_list'}
* }.
* @param string $content The shortcode content. Default empty.
* @param string $shortcode_slug The shortcode slug. Default 'ld_topic_list'.
*
* @return string The `ld_topic_list` shortcode output.
*/
function ld_topic_list( $attr = array(), $content = '', $shortcode_slug = 'ld_topic_list' ) { // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedFunctionFound
global $learndash_shortcode_used;
$learndash_shortcode_used = true;
if ( ! is_array( $attr ) ) {
$attr = array();
}
$attr['post_type'] = learndash_get_post_type_slug( 'topic' );
$attr['mycourses'] = false;
$attr['status'] = false;
// If we have a course_id. Then we set the orderby to match the items within the course.
if ( ( isset( $attr['course_id'] ) ) && ( ! empty( $attr['course_id'] ) ) ) {
$attr['course_id'] = absint( $attr['course_id'] );
// Check post access.
if ( ! learndash_shortcode_can_current_user_access_post( $attr['course_id'] ) ) {
return '';
}
$course_steps = array();
if ( isset( $attr['lesson_id'] ) ) {
$attr['lesson_id'] = absint( $attr['lesson_id'] );
// Check post access.
if ( ! learndash_shortcode_can_current_user_access_post( $attr['lesson_id'] ) ) {
return '';
}
if ( ! empty( $attr['lesson_id'] ) ) {
$course_steps = learndash_get_topic_list( $attr['lesson_id'], $attr['course_id'] );
if ( ! empty( $course_steps ) ) {
$course_steps = wp_list_pluck( $course_steps, 'ID' );
}
} else {
$course_steps = learndash_course_get_steps_by_type( intval( $attr['course_id'] ), $attr['post_type'] );
}
} else {
$course_steps = learndash_course_get_steps_by_type( intval( $attr['course_id'] ), $attr['post_type'] );
}
if ( ! empty( $course_steps ) ) {
$attr['post__in'] = $course_steps;
}
if ( LearnDash_Settings_Section::get_section_setting( 'LearnDash_Settings_Courses_Builder', 'shared_steps' ) == 'yes' ) {
if ( ! isset( $attr['order'] ) ) {
$attr['order'] = 'ASC';
}
if ( ! isset( $attr['orderby'] ) ) {
$attr['orderby'] = 'post__in';
}
}
}
/** This filter is documented in includes/shortcodes/ld_course_resume.php */
$attr = apply_filters( 'learndash_shortcode_atts', $attr, $shortcode_slug );
return ld_course_list( $attr );
}
add_shortcode( 'ld_topic_list', 'ld_topic_list', 10, 3 );