singleton.php in Booktics – Appointment Booking Calendar for Service Businesses trunk, at utils/singleton.php
| 1 | <?php |
| 2 | |
| 3 | namespace Booktics\Utils; |
| 4 | |
| 5 | defined( 'ABSPATH' ) || exit; |
| 6 | |
| 7 | /** |
| 8 | * Singleton trait |
| 9 | * get instance |
| 10 | * |
| 11 | * @since 1.0.0 |
| 12 | */ |
| 13 | trait Singleton { |
| 14 | |
| 15 | private static $instance; |
| 16 | |
| 17 | public static function instance() { |
| 18 | if ( ! self::$instance ) { |
| 19 | self::$instance = new static(); |
| 20 | } |
| 21 | return self::$instance; |
| 22 | } |
| 23 | } |
| 24 |