woocommerce-pos / vendor_prefixed / phpfastcache / phpfastcache / lib / Phpfastcache / Drivers / Apcu / Driver.php

Driver.php in WCPOS – Point of Sale (POS) plugin for WooCommerce 1.9.16, at vendor_prefixed/phpfastcache/phpfastcache/lib/Phpfastcache/Drivers/Apcu/Driver.php

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1	<?php
2
3	/**
4	*
5	* This file is part of phpFastCache.
6	*
7	* @license MIT License (MIT)
8	*
9	* For full copyright and license information, please see the docs/CREDITS.txt file.
10	*
11	* @author Khoa Bui (khoaofgod) <khoaofgod@gmail.com> https://www.phpfastcache.com
12	* @author Georges.L (Geolim4) <contact@geolim4.com>
13	*
14	*/
15	declare (strict_types=1);
16	namespace WCPOS\Vendor\Phpfastcache\Drivers\Apcu;
17
18	use DateTime;
19	use WCPOS\Vendor\Phpfastcache\Cluster\AggregatablePoolInterface;
20	use WCPOS\Vendor\Phpfastcache\Core\Pool\DriverBaseTrait;
21	use WCPOS\Vendor\Phpfastcache\Core\Pool\ExtendedCacheItemPoolInterface;
22	use WCPOS\Vendor\Phpfastcache\Entities\DriverStatistic;
23	use WCPOS\Vendor\Phpfastcache\Exceptions\PhpfastcacheInvalidArgumentException;
24	use WCPOS\Vendor\Psr\Cache\CacheItemInterface;
25	/**
26	* Class Driver
27	* @package phpFastCache\Drivers
28	* @property Config $config Config object
29	* @method Config getConfig() Return the config object
30	*/
31	class Driver implements ExtendedCacheItemPoolInterface, AggregatablePoolInterface
32	{
33	use DriverBaseTrait;
34	/**
35	* @return bool
36	*/
37	public function driverCheck() : bool
38	{
39	return \extension_loaded('apcu') && \ini_get('apc.enabled');
40	}
41	/**
42	* @return DriverStatistic
43	*/
44	public function getStats() : DriverStatistic
45	{
46	$stats = (array) \apcu_cache_info();
47	$date = (new DateTime())->setTimestamp($stats['start_time']);
48	return (new DriverStatistic())->setData(\implode(', ', \array_keys($this->itemInstances)))->setInfo(\sprintf("The APCU cache is up since %s, and have %d item(s) in cache.\n For more information see RawData.", $date->format(\DATE_RFC2822), $stats['num_entries']))->setRawData($stats)->setSize((int) $stats['mem_size']);
49	}
50	/**
51	* @return bool
52	*/
53	protected function driverConnect() : bool
54	{
55	return \true;
56	}
57	/**
58	* @param CacheItemInterface $item
59	* @return bool
60	* @throws PhpfastcacheInvalidArgumentException
61	*/
62	protected function driverWrite(CacheItemInterface $item) : bool
63	{
64	/**
65	* Check for Cross-Driver type confusion
66	*/
67	if ($item instanceof Item) {
68	return (bool) \apcu_store($item->getKey(), $this->driverPreWrap($item), $item->getTtl());
69	}
70	throw new PhpfastcacheInvalidArgumentException('Cross-Driver type confusion detected');
71	}
72	/**
73	* @param CacheItemInterface $item
74	* @return null\|array
75	*/
76	protected function driverRead(CacheItemInterface $item)
77	{
78	$data = \apcu_fetch($item->getKey(), $success);
79	if ($success === \false) {
80	return null;
81	}
82	return $data;
83	}
84	/**
85	* @param CacheItemInterface $item
86	* @return bool
87	* @throws PhpfastcacheInvalidArgumentException
88	*/
89	protected function driverDelete(CacheItemInterface $item) : bool
90	{
91	/**
92	* Check for Cross-Driver type confusion
93	*/
94	if ($item instanceof Item) {
95	return (bool) \apcu_delete($item->getKey());
96	}
97	throw new PhpfastcacheInvalidArgumentException('Cross-Driver type confusion detected');
98	}
99	/********************
100	*
101	* PSR-6 Extended Methods
102	*
103	*******************/
104	/**
105	* @return bool
106	*/
107	protected function driverClear() : bool
108	{
109	return @\apcu_clear_cache();
110	}
111	}
112