blockspare / freemius / includes / class-fs-user-lock.php

class-fs-user-lock.php in BlockSpare – Gutenberg Blocks for News, Magazine, Blog & Business Websites 3.1.1, at freemius/includes/class-fs-user-lock.php

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1	<?php
2	/**
3	* @package Freemius
4	* @copyright Copyright (c) 2015, Freemius, Inc.
5	* @license https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License Version 3
6	* @since 2.1.0
7	*/
8
9	if ( ! defined( 'ABSPATH' ) ) {
10	exit;
11	}
12
13	require_once WP_FS__DIR_INCLUDES . '/class-fs-lock.php';
14
15	/**
16	* Class FS_User_Lock
17	*/
18	class FS_User_Lock {
19	/**
20	* @var FS_Lock
21	*/
22	private $_lock;
23
24	#--------------------------------------------------------------------------------
25	#region Singleton
26	#--------------------------------------------------------------------------------
27
28	/**
29	* @var FS_User_Lock
30	*/
31	private static $_instance;
32
33	/**
34	* @author Vova Feldman (@svovaf)
35	* @since 2.1.0
36	*
37	* @return FS_User_Lock
38	*/
39	static function instance() {
40	if ( ! isset( self::$_instance ) ) {
41	self::$_instance = new self();
42	}
43
44	return self::$_instance;
45	}
46
47	#endregion
48
49	private function __construct() {
50	$current_user_id = Freemius::get_current_wp_user_id();
51
52	$this->_lock = new FS_Lock( "locked_{$current_user_id}" );
53	}
54
55	/**
56	* Try to acquire lock. If the lock is already set or is being acquired by another locker, don't do anything.
57	*
58	* @author Vova Feldman (@svovaf)
59	* @since 2.1.0
60	*
61	* @param int $expiration
62	*
63	* @return bool TRUE if successfully acquired lock.
64	*/
65	function try_lock( $expiration = 0 ) {
66	return $this->_lock->try_lock( $expiration );
67	}
68
69	/**
70	* Acquire lock regardless if it's already acquired by another locker or not.
71	*
72	* @author Vova Feldman (@svovaf)
73	* @since 2.1.0
74	*
75	* @param int $expiration
76	*/
77	function lock( $expiration = 0 ) {
78	$this->_lock->lock( $expiration );
79	}
80
81	/**
82	* Unlock the lock.
83	*
84	* @author Vova Feldman (@svovaf)
85	* @since 2.1.0
86	*/
87	function unlock() {
88	$this->_lock->unlock();
89	}
90	}