jetpack / jetpack_vendor / automattic / jetpack-status / src / class-cache.php

class-cache.php in Jetpack – WP Security, Backup, Speed, & Growth 16.3-a.1, at jetpack_vendor/automattic/jetpack-status/src/class-cache.php

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1	<?php
2	/**
3	* A static in-process cache for blog data.
4	*
5	* @package automattic/jetpack-status
6	*/
7
8	namespace Automattic\Jetpack\Status;
9
10	/**
11	* A static in-process cache for blog data.
12	*
13	* For internal use only. Do not use this externally.
14	*/
15	class Cache {
16	/**
17	* Cached data;
18	*
19	* @var array[]
20	*/
21	private static $cache = array();
22
23	/**
24	* Get a value from the cache.
25	*
26	* @param string $key Key to fetch.
27	* @param mixed $default Default value to return if the key is not set.
28	* @return mixed Data.
29	*/
30	public static function get( $key, $default = null ) {
31	$blog_id = get_current_blog_id();
32	return isset( self::$cache[ $blog_id ] ) && array_key_exists( $key, self::$cache[ $blog_id ] ) ? self::$cache[ $blog_id ][ $key ] : $default;
33	}
34
35	/**
36	* Set a value in the cache.
37	*
38	* @param string $key Key to set.
39	* @param mixed $value Value to store.
40	*/
41	public static function set( $key, $value ) {
42	$blog_id = get_current_blog_id();
43	self::$cache[ $blog_id ][ $key ] = $value;
44	}
45
46	/**
47	* Clear the cache.
48	*
49	* This is intended for use in unit tests.
50	*/
51	public static function clear() {
52	self::$cache = array();
53	}
54	}
55