| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * Cache\Redis | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * Core\Cache Redis Driver. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * @package core | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * @author [email protected] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * @author [email protected] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * @version 1.0.1 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * @copyright Caffeina srl - 2014-2016 - http://caffeina.com | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | namespace Cache; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | class Redis implements Adapter { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |   protected $redis = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |   protected $options = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |     'scheme'      => 'tcp', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     'host'        => '127.0.0.1', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |     'port'        => 6379, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |     'timeout'     => 1, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |     'reconnect'   => 100, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     'prefix'      => '', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     'serialize'   => true, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     'database'    => 0, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     'exceptions'  => true, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |   ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |   public static function valid(){ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |   public function instance(){ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |     return $redis; | 
                            
                    |  |  |  | 
                                                                                        
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                | 39 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |   public function __construct($opt=[]){ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |      * Predis Docs: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      * https://github.com/nrk/predis | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |     $this->options = array_merge($this->options, $opt); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |     $this->redis   = new \Predis\Client($this->options['scheme'].'://'.$this->options['host'].':'.$this->options['port'].'/', [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |       'prefix'              => 'core:'.$this->options['prefix'], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |       'exceptions'          => $this->options['exceptions'], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |       'connection_timeout'  => $this->options['timeout'], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |       'database'            => $this->options['database'], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |     ]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |     $this->redis->select($this->options['database']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |   public function get($key){ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |     return unserialize($this->redis->get($key)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |   public function set($key,$value,$expire=0){ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     $expire = (int)$expire; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |     return $expire > 0 ? $this->redis->setex($key,$expire,serialize($value)) : $this->redis->set($key,serialize($value)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |   public function delete($key){ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |   	$this->redis->del($key); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |   public function exists($key){ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |     return $this->redis->exists($key); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |   public function flush(){ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |     return $this->redis->flushdb(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |   } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 76 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 77 |  |  |   public function inc($key,$value=1){ | 
            
                                                                        
                            
            
                                    
            
            
                | 78 |  |  |   	return $this->redis->incrby($key,$value); | 
            
                                                                        
                            
            
                                    
            
            
                | 79 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |   public function dec($key,$value=1){ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |     return $this->redis->decrby($key,$value); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |   } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 84 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 85 |  |  |  | 
            
                        
This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.