elementor / vendor_prefixed / twig / src / Cache / ChainCache.php

ChainCache.php in Elementor Website Builder – more than just a page builder 3.28.0-dev2, at vendor_prefixed/twig/src/Cache/ChainCache.php

70 lines 1.9 KB

Raw Download Zip

1	<?php
2
3	/*
4	* This file is part of Twig.
5	*
6	* (c) Fabien Potencier
7	*
8	* For the full copyright and license information, please view the LICENSE
9	* file that was distributed with this source code.
10	*/
11	namespace ElementorDeps\Twig\Cache;
12
13	/**
14	* Chains several caches together.
15	*
16	* Cached items are fetched from the first cache having them in its data store.
17	* They are saved and deleted in all adapters at once.
18	*
19	* @author Quentin Devos <quentin@devos.pm>
20	*/
21	final class ChainCache implements CacheInterface
22	{
23	private $caches;
24	/**
25	* @param iterable<CacheInterface> $caches The ordered list of caches used to store and fetch cached items
26	*/
27	public function __construct(iterable $caches)
28	{
29	$this->caches = $caches;
30	}
31	public function generateKey(string $name, string $className) : string
32	{
33	return $className . '#' . $name;
34	}
35	public function write(string $key, string $content) : void
36	{
37	$splitKey = $this->splitKey($key);
38	foreach ($this->caches as $cache) {
39	$cache->write($cache->generateKey(...$splitKey), $content);
40	}
41	}
42	public function load(string $key) : void
43	{
44	[$name, $className] = $this->splitKey($key);
45	foreach ($this->caches as $cache) {
46	$cache->load($cache->generateKey($name, $className));
47	if (\class_exists($className, \false)) {
48	break;
49	}
50	}
51	}
52	public function getTimestamp(string $key) : int
53	{
54	$splitKey = $this->splitKey($key);
55	foreach ($this->caches as $cache) {
56	if (0 < ($timestamp = $cache->getTimestamp($cache->generateKey(...$splitKey)))) {
57	return $timestamp;
58	}
59	}
60	return 0;
61	}
62	/**
63	* @return string[]
64	*/
65	private function splitKey(string $key) : array
66	{
67	return \array_reverse(\explode('#', $key, 2));
68	}
69	}
70