TYPO3 CMS  TYPO3_8-7
ApcuPreset.php
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1 <?php
3 
4 /*
5  * This file is part of the TYPO3 CMS project.
6  *
7  * It is free software; you can redistribute it and/or modify it under
8  * the terms of the GNU General Public License, either version 2
9  * of the License, or any later version.
10  *
11  * For the full copyright and license information, please read the
12  * LICENSE.txt file that was distributed with this source code.
13  *
14  * The TYPO3 project - inspiring people to share!
15  */
16 
18 
23 {
27  protected $name = 'Apcu';
28 
32  protected $priority = 90;
33 
37  protected $configurationValues = [
38  'SYS/caching/cacheConfigurations/extbase_object' => [
39  'frontend' => \TYPO3\CMS\Core\Cache\Frontend\VariableFrontend::class,
40  'backend' => \TYPO3\CMS\Core\Cache\Backend\ApcuBackend::class,
41  'options' => [
42  'defaultLifetime' => 0,
43  ],
44  'groups' => ['system']
45  ]
46  ];
47 
53  public function isAvailable()
54  {
55  $result = false;
56  if (extension_loaded('apcu')) {
57  $memoryInfo = @apcu_sma_info();
58  $availableMemory = $memoryInfo['avail_mem'];
59 
60  // If more than 5MB free
61  if ($availableMemory > (5 * 1024 * 1024)) {
62  $result = true;
63  }
64  }
65  return $result;
66  }
67 }