Noptin_Ajax::delete_campaign()

	public function delete_campaign() {

		// Verify nonce.
		check_ajax_referer( 'noptin_admin_nonce' );

		if ( ! current_user_can( get_noptin_capability() ) || empty( $_GET['id'] ) ) {
			wp_die( -1, 403 );
		}

		if ( wp_delete_post( trim( $_GET['id'] ), true ) ) {
			exit;
		}

		wp_die( -1, 500 );
	}