52 lines
735 B
PHP
52 lines
735 B
PHP
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<?php
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/**
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* Abstract singleton class.
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*
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* @package WooCommerce/Rest_Api
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*/
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namespace WooCommerce\Rest_Api;
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defined( 'ABSPATH' ) || exit;
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/**
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* Singleton trait.
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*/
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trait Singleton {
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/**
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* The single instance of the class.
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*
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* @var object
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*/
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protected static $instance = null;
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/**
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* Constructor
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*
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* @return void
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*/
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protected function __construct() {}
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/**
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* Get class instance.
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*
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* @return object Instance.
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*/
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final public static function instance() {
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if ( null === static::$instance ) {
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static::$instance = new static();
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}
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return static::$instance;
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}
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/**
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* Prevent cloning.
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*/
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private function __clone() {}
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/**
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* Prevent unserializing.
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*/
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private function __wakeup() {}
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}
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