// get post count of all "ticket" CPT posts
function bl_get_ticket_count() {
	$args = array(
		'post_type' => 'ticket',
		'posts_per_page' => -1,
		'fields' => 'ids'
	);

	$query = new WP_Query( $args );

	return $query->post_count;
}

// get post count of all "ticket" CPT posts that have a "ticket_status" (taxonomy) of "open" (term)
function bl_get_open_ticket_count() {
	$args = array(
		'post_type' => 'ticket',
		'posts_per_page' => -1,
		'fields' => 'ids',
		'tax_query' => array(
			array(
				'taxonomy' => 'ticket_status',
				'field' => 'slug',
				'terms' => 'open'
			)
		)
	);

	$query = new WP_Query( $args );

	return $query->post_count;
}

// get post count of all "ticket" CPT posts that have a "ticket_status" (taxonomy) of "closed" (term)
function bl_get_closed_ticket_count() {
	$args = array(
		'post_type' => 'ticket',
		'posts_per_page' => -1,
		'fields' => 'ids',
		'tax_query' => array(
			array(
				'taxonomy' => 'ticket_status',
				'field' => 'slug',
				'terms' => 'closed'
			)
		)
	);

	$query = new WP_Query( $args );

	return $query->post_count;
}