zebrastribe

add_action( 'init', 'ld_add_custom_shortcode' );
 
function ld_add_custom_shortcode() {

	if( ???? ){
		
		function show_courses(){
			$content  = '<h3>Try these courses</h3>';
			$content .= do_shortcode( '[ld_course_list mycourses="not-enrolled"]');
			return $content;

zebrastribe

add_filter( 'wpseo_schema_person', 'example_change_person' );

function example_change_person( $data ) {

	$user_id = ??;

	// data
	$author_avatar = get_avatar_url('[email protected]');
	$data['name'] = "John Doe";
	$data['author']['name'] = "John Doe";