Shortcode to Display Course Categories

functions.php

function ld_display_course_categories ($atts) {

	$terms = get_the_terms( get_the_ID() , 'ld_course_category' ); 
	
	if (!$terms) {
		// No terms, so just quit.
		return false;
	}
	$categories= "";
	foreach ( $terms as $term ) {
		$categories .= ", " . "<a href='" . get_term_link($term) . "'>" . $term->name ."</a>";
	}
	
	return "<span class='ld-course-categories'>" . trim($categories, ",") . "</span>";
}

add_shortcode( 'ld_course_categories', 'ld_display_course_categories' );