notifier / libraries / action-scheduler / classes / ActionScheduler_Versions.php

ActionScheduler_Versions.php in WANotifier for Forms and Actions 3.1.1, at libraries/action-scheduler/classes/ActionScheduler_Versions.php

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1	<?php
2
3	/**
4	* Class ActionScheduler_Versions
5	*/
6	class ActionScheduler_Versions {
7	/**
8	* ActionScheduler_Versions instance.
9	*
10	* @var ActionScheduler_Versions
11	*/
12	private static $instance = null;
13
14	/**
15	* Versions.
16	*
17	* @var array<string, callable>
18	*/
19	private $versions = array();
20
21	/**
22	* Registered sources.
23	*
24	* @var array<string, string>
25	*/
26	private $sources = array();
27
28	/**
29	* Register version's callback.
30	*
31	* @param string $version_string Action Scheduler version.
32	* @param callable $initialization_callback Callback to initialize the version.
33	*/
34	public function register( $version_string, $initialization_callback ) {
35	if ( isset( $this->versions[ $version_string ] ) ) {
36	return false;
37	}
38
39	// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_debug_backtrace
40	$backtrace = debug_backtrace( DEBUG_BACKTRACE_IGNORE_ARGS );
41	$source = $backtrace[0]['file'];
42
43	$this->versions[ $version_string ] = $initialization_callback;
44	$this->sources[ $source ] = $version_string;
45	return true;
46	}
47
48	/**
49	* Get all versions.
50	*/
51	public function get_versions() {
52	return $this->versions;
53	}
54
55	/**
56	* Get registered sources.
57	*
58	* Use with caution: this method is only available as of Action Scheduler's 3.9.1
59	* release and, owing to the way Action Scheduler is loaded, it's possible that the
60	* class definition used at runtime will belong to an earlier version.
61	*
62	* @since 3.9.1
63	*
64	* @return array<string, string>
65	*/
66	public function get_sources() {
67	return $this->sources;
68	}
69
70	/**
71	* Get latest version registered.
72	*/
73	public function latest_version() {
74	$keys = array_keys( $this->versions );
75	if ( empty( $keys ) ) {
76	return false;
77	}
78	uasort( $keys, 'version_compare' );
79	return end( $keys );
80	}
81
82	/**
83	* Get callback for latest registered version.
84	*/
85	public function latest_version_callback() {
86	$latest = $this->latest_version();
87
88	if ( empty( $latest ) \|\| ! isset( $this->versions[ $latest ] ) ) {
89	return '__return_null';
90	}
91
92	return $this->versions[ $latest ];
93	}
94
95	/**
96	* Get instance.
97	*
98	* @return ActionScheduler_Versions
99	* @codeCoverageIgnore
100	*/
101	public static function instance() {
102	if ( empty( self::$instance ) ) {
103	self::$instance = new self();
104	}
105	return self::$instance;
106	}
107
108	/**
109	* Initialize.
110	*
111	* @codeCoverageIgnore
112	*/
113	public static function initialize_latest_version() {
114	$self = self::instance();
115	call_user_func( $self->latest_version_callback() );
116	}
117
118	/**
119	* Returns information about the plugin or theme which contains the current active version
120	* of Action Scheduler.
121	*
122	* If this cannot be determined, or if Action Scheduler is being loaded via some other
123	* method, then it will return an empty array. Otherwise, if populated, the array will
124	* look like the following:
125	*
126	* [
127	* 'type' => 'plugin', # or 'theme'
128	* 'name' => 'Name',
129	* ]
130	*
131	* @deprecated 3.9.2 Use ActionScheduler_SystemInformation::active_source().
132	*
133	* @return array
134	*/
135	public function active_source(): array {
136	_deprecated_function( __METHOD__, '3.9.2', 'ActionScheduler_SystemInformation::active_source()' );
137	return ActionScheduler_SystemInformation::active_source();
138	}
139
140	/**
141	* Returns the directory path for the currently active installation of Action Scheduler.
142	*
143	* @deprecated 3.9.2 Use ActionScheduler_SystemInformation::active_source_path().
144	*
145	* @return string
146	*/
147	public function active_source_path(): string {
148	_deprecated_function( __METHOD__, '3.9.2', 'ActionScheduler_SystemInformation::active_source_path()' );
149	return ActionScheduler_SystemInformation::active_source_path();
150	}
151	}
152