wpdatatables / lib / phpoffice / phpspreadsheet / src / PhpSpreadsheet / Collection / Memory / SimpleCache1.php

SimpleCache1.php in wpDataTables – WordPress Data Table, Dynamic Tables & Table Charts Plugin 6.5.1.7, at lib/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Collection/Memory/SimpleCache1.php

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1	<?php
2
3	namespace PhpOffice\PhpSpreadsheet\Collection\Memory;
4
5	use DateInterval;
6	use Psr\SimpleCache\CacheInterface;
7
8	/**
9	* This is the default implementation for in-memory cell collection.
10	*
11	* Alternatives implementation should leverage off-memory, non-volatile storage
12	* to reduce overall memory usage.
13	*/
14	class SimpleCache1 implements CacheInterface
15	{
16	/**
17	* @var array Cell Cache
18	*/
19	private $cache = [];
20
21	/**
22	* @return bool
23	*/
24	public function clear()
25	{
26	$this->cache = [];
27
28	return true;
29	}
30
31	/**
32	* @param string $key
33	*
34	* @return bool
35	*/
36	public function delete($key)
37	{
38	unset($this->cache[$key]);
39
40	return true;
41	}
42
43	/**
44	* @param iterable $keys
45	*
46	* @return bool
47	*/
48	public function deleteMultiple($keys)
49	{
50	foreach ($keys as $key) {
51	$this->delete($key);
52	}
53
54	return true;
55	}
56
57	/**
58	* @param string $key
59	* @param mixed $default
60	*
61	* @return mixed
62	*/
63	public function get($key, $default = null)
64	{
65	if ($this->has($key)) {
66	return $this->cache[$key];
67	}
68
69	return $default;
70	}
71
72	/**
73	* @param iterable $keys
74	* @param mixed $default
75	*
76	* @return iterable
77	*/
78	public function getMultiple($keys, $default = null)
79	{
80	$results = [];
81	foreach ($keys as $key) {
82	$results[$key] = $this->get($key, $default);
83	}
84
85	return $results;
86	}
87
88	/**
89	* @param string $key
90	*
91	* @return bool
92	*/
93	public function has($key)
94	{
95	return array_key_exists($key, $this->cache);
96	}
97
98	/**
99	* @param string $key
100	* @param mixed $value
101	* @param null\|DateInterval\|int $ttl
102	*
103	* @return bool
104	*/
105	public function set($key, $value, $ttl = null)
106	{
107	$this->cache[$key] = $value;
108
109	return true;
110	}
111
112	/**
113	* @param iterable $values
114	* @param null\|DateInterval\|int $ttl
115	*
116	* @return bool
117	*/
118	public function setMultiple($values, $ttl = null)
119	{
120	foreach ($values as $key => $value) {
121	$this->set($key, $value);
122	}
123
124	return true;
125	}
126	}
127