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Member "serendipity/bundled-libs/voku/simple-cache/src/voku/cache/AdapterApcu.php" (20 Nov 2022, 3308 Bytes) of package /linux/www/serendipity-2.4.0.zip:

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    1 <?php
    2 
    3 declare(strict_types=1);
    4 
    5 namespace voku\cache;
    6 
    7 /**
    8  * AdapterApcu: a APCu-Cache adapter
    9  *
   10  * @see http://php.net/manual/de/book.apcu.php
   11  */
   12 class AdapterApcu implements iAdapter
   13 {
   14     /**
   15      * @var bool
   16      */
   17     public $installed = false;
   18 
   19     /**
   20      * @var bool
   21      */
   22     public $debug = false;
   23 
   24     /**
   25      * __construct()
   26      */
   27     public function __construct()
   28     {
   29         if (
   30             \PHP_SAPI !== 'cli'
   31             &&
   32             \function_exists('apcu_store') === true
   33             &&
   34             \ini_get('apc.enabled')
   35         ) {
   36             $this->installed = true;
   37         }
   38 
   39         if (
   40             \PHP_SAPI === 'cli'
   41             &&
   42             \function_exists('apcu_store') === true
   43             &&
   44             \ini_get('apc.enable_cli')
   45         ) {
   46             \ini_set('apc.use_request_time', '0');
   47 
   48             $this->installed = true;
   49         }
   50     }
   51 
   52     /**
   53      * Check if apcu-cache exists.
   54      *
   55      * WARNING: we only keep this method for compatibly-reasons
   56      *          -> use ->exists($key)
   57      *
   58      * @param string $key
   59      *
   60      * @return bool
   61      *
   62      * @deprecated
   63      */
   64     public function apcu_cache_exists($key): bool
   65     {
   66         return $this->exists($key);
   67     }
   68 
   69     /**
   70      * Clears the APCu cache by type.
   71      *
   72      * @param string $type <p>WARNING: is not used in APCu only valid for APC</p>
   73      *
   74      * @return bool
   75      *
   76      * @internal
   77      */
   78     public function cacheClear(string $type): bool
   79     {
   80         return (bool) \apcu_clear_cache();
   81     }
   82 
   83     /**
   84      * Retrieves cached information from APCu's data store
   85      *
   86      * @param bool $limited    - If $limited is TRUE, the return value will exclude the individual list of cache
   87      *                         entries. This is useful when trying to optimize calls for statistics gathering
   88      *
   89      * @return array
   90      *               <p>Array of cached data (and meta-data) or empty array on failure.</p>
   91      */
   92     public function cacheInfo(bool $limited = false): array
   93     {
   94         /** @var array|false $return */
   95         $return = \apcu_cache_info($limited);
   96 
   97         if ($return === false) {
   98             return [];
   99         }
  100 
  101         return $return;
  102     }
  103 
  104     /**
  105      * {@inheritdoc}
  106      */
  107     public function exists(string $key): bool
  108     {
  109         return (bool) \apcu_exists($key);
  110     }
  111 
  112     /**
  113      * {@inheritdoc}
  114      */
  115     public function get(string $key)
  116     {
  117         if ($this->exists($key)) {
  118             return \apcu_fetch($key);
  119         }
  120 
  121         return null;
  122     }
  123 
  124     /**
  125      * {@inheritdoc}
  126      */
  127     public function installed(): bool
  128     {
  129         return $this->installed;
  130     }
  131 
  132     /**
  133      * {@inheritdoc}
  134      */
  135     public function remove(string $key): bool
  136     {
  137         return (bool) \apcu_delete($key);
  138     }
  139 
  140     /**
  141      * {@inheritdoc}
  142      */
  143     public function removeAll(): bool
  144     {
  145         return (bool) ($this->cacheClear('system') && $this->cacheClear('user'));
  146     }
  147 
  148     /**
  149      * {@inheritdoc}
  150      */
  151     public function set(string $key, $value): bool
  152     {
  153         return (bool) \apcu_store($key, $value);
  154     }
  155 
  156     /**
  157      * {@inheritdoc}
  158      */
  159     public function setExpired(string $key, $data, int $ttl = 0): bool
  160     {
  161         return (bool) \apcu_store($key, $data, $ttl);
  162     }
  163 }