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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Genkgo\Cache\Adapter;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Genkgo\Cache\CacheAdapterInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Genkgo\Cache\SerializerInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Predis\ClientInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Class PredisAdapter  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package Genkgo\Cache\Adapter  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class PredisAdapter implements CacheAdapterInterface  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var ClientInterface  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $client;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var SerializerInterface  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $serializer;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var int|null  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $ttl;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param ClientInterface $client  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param SerializerInterface $serializer  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param null $ttl  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function __construct(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ClientInterface $client,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        SerializerInterface $serializer,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $ttl = null  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->client = $client;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->serializer = $serializer;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->ttl = $ttl;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Gets a cache entry  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * returning null if not in cache  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param $key  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return null|mixed  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function get($key)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        return $this->serializer->deserialize($this->client->get($key));  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Sets a cache entry  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param $key  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param $value  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function set($key, $value)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($this->ttl === null) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->client->set($key, $this->serializer->serialize($value));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->client->set($key, $this->serializer->serialize($value), 'ex', $this->ttl);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Deletes a cache entry  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param $key  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function delete($key)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (strpos($key, '*') !== false) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->deleteGlob($key);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->client->del([$key]);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private function deleteGlob ($pattern) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $keys = $this->client->keys($pattern);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $options = $this->client->getOptions();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (isset($options->prefix)) { | 
            
                            
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                            $length = strlen($options->prefix->getPrefix());  | 
            
                            
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                            $keys = array_map(function ($key) use ($length) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                return substr($key, $length);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }, $keys);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (count($keys) === 0) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->client->del($keys);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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If you access a property on an interface, you most likely code against a concrete implementation of the interface.
Available Fixes
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Changing the type hint: