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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace voku\cache;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * AdapterMemcache: Memcache-adapter  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package   voku\cache  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class AdapterMemcache implements iAdapter  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   * @var bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  public $installed = false;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   * @var \Memcache  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  private $memcache;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   * @var boolean  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  private $compressed = false;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   * __construct  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   * @param \Memcache|null $memcache  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  public function __construct($memcache = null)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             8                          | 
                
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                    if ($memcache instanceof \Memcache) { | 
            
                            
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                      $this->setMemcache($memcache);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   * @param \Memcache $memcache  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  public function setMemcache(\Memcache $memcache) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    $this->memcache = $memcache;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    $this->installed = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   * @inheritdoc  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  public function exists($key)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    return $this->get($key) !== false;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   * @inheritdoc  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                   */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                  public function get($key)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                  { | 
            
            
                                                                        
                            
            
                                    
            
            
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                    return $this->memcache->get($key);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                  }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   * @inheritdoc  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  public function installed()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    return $this->installed;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   * @inheritdoc  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  public function remove($key)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    return $this->memcache->delete($key);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   * @inheritdoc  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  public function removeAll()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    return $this->memcache->flush();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   * @inheritdoc  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  public function set($key, $value)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    return $this->memcache->set($key, $value, $this->getCompressedFlag());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   * @inheritdoc  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  public function setExpired($key, $value, $ttl)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             1                          | 
                
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                    if ($ttl > 2592000) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                      $ttl = 2592000;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    return $this->memcache->set($key, $value, $this->getCompressedFlag(), $ttl);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   * Get the compressed-flag from MemCache.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   * @return int 2 || 0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             3                          | 
                
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                  private function getCompressedFlag()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             3                          | 
                
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                    return $this->isCompressed() ? MEMCACHE_COMPRESSED : 0;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   * Check if compression from MemCache is active.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    120
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                   * @return boolean  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             3                          | 
                
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                  public function isCompressed()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             3                          | 
                
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                    return $this->compressed;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   * Activate the compression from MemCache.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   * @param mixed $value will be converted to boolean  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                   */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  public function setCompressed($value)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    $this->compressed = (bool)$value;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                  }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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This error could be the result of:
1. Missing dependencies
PHP Analyzer uses your
composer.jsonfile (if available) to determine the dependencies of your project and to determine all the available classes and functions. It expects thecomposer.jsonto be in the root folder of your repository.Are you sure this class is defined by one of your dependencies, or did you maybe not list a dependency in either the
requireorrequire-devsection?2. Missing use statement
PHP does not complain about undefined classes in
ìnstanceofchecks. For example, the following PHP code will work perfectly fine:If you have not tested against this specific condition, such errors might go unnoticed.