Adds bread crumb link support for events and venues in The Events Calendar

bread crumbs for events and venues

// Check if page is direct child
function is_child( $page_id ) {
	global $post;
	if( is_page() && ($post->post_parent != '') ) {
		return true;
	} else {
		return false;
	}
}

// Breadcrumb Logic
function tribe_breadcrumbs() {
	global $post;

	$separator = " » ";
	
	echo '<div class="tribe-breadcrumbs">';
	echo '<a href="' . get_option('home') . '">' . bloginfo( 'name' ) . '</a>';

	if( tribe_is_month() && !is_tax() ) { // The Main Calendar Page
		echo $separator;
		echo 'The Events Calendar';
	} elseif( tribe_is_month() && is_tax() ) { // Calendar Category Pages
		global $wp_query;
		
		$term_slug = $wp_query->query_vars['tribe_events_cat'];
		$term = get_term_by('slug', $term_slug, 'tribe_events_cat');
		get_term( $term_id, 'tribe_events_cat' );
		$name = $term->name;
		echo $separator;
		echo '<a href="'.tribe_get_events_link().'">Events</a>';
		echo $separator;
		echo $name;
	} elseif( tribe_is_event() && !tribe_is_day() && !is_single() ) { // The Main Events List
		echo $separator;
		echo 'Events List';
	} elseif( tribe_is_event() && is_single() ) { // Single Events
		echo $separator;
		echo '<a href="'.tribe_get_events_link().'">Events</a>';
		echo $separator;
		the_title();
	} elseif( tribe_is_day() ) { // Single Event Days
		global $wp_query;

		echo $separator;
		echo '<a href="'.tribe_get_events_link().'">Events</a>';
		echo $separator;
		echo 'Events on: ' . date('F j, Y', strtotime( $wp_query->query_vars['eventDate']) );
	} elseif( tribe_is_venue() ) { // Single Venues
		echo $separator;
		echo '<a href="'.tribe_get_events_link().'">Events</a>';
		echo $separator;
		the_title();
	} elseif ( is_category() || is_single() ) {
		echo $separator;
		the_category(' &bull; ');

		if ( is_single() ) {
			echo ' '.$separator.' ';
			the_title();
		}
	} elseif ( is_page() ) {
		if( is_child(get_the_ID()) ) {
			echo $separator;
			echo '<a href="' . get_permalink( $post->post_parent ) . '">' . get_the_title( $post->post_parent ) . '</a>';
			echo $separator;
			echo the_title();
		} else {
			echo $separator;
			echo the_title();
		}
	} elseif (is_search()) {
		echo $separator.'Search Results for... ';
		echo '"<em>';
		echo the_search_query();
		echo '</em>"';
	}
	echo '</div>';
}