| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | /* | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * This file is part of the Cache package. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * Copyright (c) Daniel González | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * For the full copyright and license information, please view the LICENSE | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * file that was distributed with this source code. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * @author Daniel González <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * @author Arnold Daniels <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | declare(strict_types=1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | namespace Desarrolla2\Cache; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | use Desarrolla2\Cache\AbstractCache; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | use Desarrolla2\Cache\Exception\UnexpectedValueException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | use Desarrolla2\Cache\Packer\PackerInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | use Desarrolla2\Cache\Packer\SerializePacker; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | use Predis\Client; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | use Predis\Response\ServerException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | use Predis\Response\Status; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | use Predis\Response\ErrorInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  * Predis cache adapter. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  * Errors are silently ignored but ServerExceptions are **not** caught. To PSR-16 compliant disable the `exception` | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  * option. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | class Predis extends AbstractCache | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |      * @var Client | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |     protected $predis; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |      * Class constructor | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |      * @see predis documentation about how know your configuration https://github.com/nrk/predis | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      * @param Client $client | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 | 198 |  |     public function __construct(Client $client) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 | 198 |  |         $this->predis = $client; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |      * Create the default packer for this cache implementation. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |      * @return PackerInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 | 81 |  |     protected static function createDefaultPacker(): PackerInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 | 81 |  |         return new SerializePacker(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      * Run a predis command. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |      * @param string $cmd | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |      * @param mixed ...$args | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |      * @return mixed|bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 | 198 |  |     protected function execCommand(string $cmd, ...$args) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 | 198 |  |         $command = $this->predis->createCommand($cmd, $args); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 | 198 |  |         $response = $this->predis->executeCommand($command); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 | 198 |  |         if ($response instanceof ErrorInterface) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |             return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 | 198 |  |         if ($response instanceof Status) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 | 198 |  |             return $response->getPayload() === 'OK'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 | 45 |  |         return $response; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |      * Set multiple (mset) with expire | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |      * @param array    $dictionary | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |      * @param int|null $ttlSeconds | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |      * @return bool | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 92 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 93 | 13 |  |     protected function msetExpire(array $dictionary, ?int $ttlSeconds): bool | 
            
                                                                        
                            
            
                                    
            
            
                | 94 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 95 | 13 |  |         if (empty($dictionary)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 96 |  |  |             return true; | 
            
                                                                        
                            
            
                                    
            
            
                | 97 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 98 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 99 | 13 |  |         if (!isset($ttlSeconds)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 100 | 12 |  |             return $this->execCommand('MSET', $dictionary); | 
            
                                                                        
                            
            
                                    
            
            
                | 101 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 102 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 103 | 1 |  |         $transaction = $this->predis->transaction(); | 
            
                                                                        
                            
            
                                    
            
            
                | 104 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 105 | 1 |  |         foreach ($dictionary as $key => $value) { | 
            
                                                                        
                            
            
                                    
            
            
                | 106 | 1 |  |             $transaction->set($key, $value, 'EX', $ttlSeconds); | 
            
                                                                        
                            
            
                                    
            
            
                | 107 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 108 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 109 |  |  |         try { | 
            
                                                                        
                            
            
                                    
            
            
                | 110 | 1 |  |             $responses = $transaction->execute(); | 
            
                                                                        
                            
            
                                    
            
            
                | 111 |  |  |         } catch (ServerException $e) { | 
            
                                                                        
                            
            
                                    
            
            
                | 112 |  |  |             return false; | 
            
                                                                        
                            
            
                                    
            
            
                | 113 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 114 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 115 | 1 |  |         $ok = array_reduce($responses, function($ok, $response) { | 
                            
                    |  |  |  | 
                                                                                        
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                | 116 | 1 |  |             return $ok && $response instanceof Status && $response->getPayload() === 'OK'; | 
            
                                                                        
                            
            
                                    
            
            
                | 117 |  |  |         }, true); | 
            
                                                                        
                            
            
                                    
            
            
                | 118 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 119 | 1 |  |         return $ok; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 | 52 |  |     public function get($key, $default = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 | 52 |  |         $id = $this->keyToId($key); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 | 34 |  |         $response = $this->execCommand('GET', $id); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 | 34 |  |         return !empty($response) ? $this->unpack($response) : $default; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 | 30 |  |     public function getMultiple($keys, $default = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 | 30 |  |         $idKeyPairs = $this->mapKeysToIds($keys); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 | 11 |  |         $ids = array_keys($idKeyPairs); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 | 11 |  |         $response = $this->execCommand('MGET', $ids); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 | 11 |  |         if ($response === false) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |             return false; | 
                            
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                | 146 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 | 11 |  |         $items = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 | 11 |  |         $packedItems = array_combine(array_values($idKeyPairs), $response); | 
                            
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                | 150 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 | 11 |  |         foreach ($packedItems as $key => $packed) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 | 11 |  |             $items[$key] = isset($packed) ? $this->unpack($packed) : $default; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 | 11 |  |         return $items; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 | 22 |  |     public function has($key) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 | 22 |  |         return $this->execCommand('EXISTS', $this->keyToId($key)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 | 58 |  |     public function set($key, $value, $ttl = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 | 58 |  |         $id = $this->keyToId($key); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 | 40 |  |         $packed = $this->pack($value); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 | 40 |  |         if (!is_string($packed)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |             throw new UnexpectedValueException("Packer must create a string for the data"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 | 40 |  |         $ttlSeconds = $this->ttlToSeconds($ttl); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 | 30 |  |         if (isset($ttlSeconds) && $ttlSeconds <= 0) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 | 1 |  |             return $this->execCommand('DEL', [$id]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 | 30 |  |         return !isset($ttlSeconds) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 | 29 |  |             ? $this->execCommand('SET', $id, $packed) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 | 30 |  |             : $this->execCommand('SETEX', $id, $ttlSeconds, $packed); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 | 42 |  |     public function setMultiple($values, $ttl = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 | 42 |  |         $this->assertIterable($values, 'values not iterable'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 | 41 |  |         $dictionary = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 | 41 |  |         foreach ($values as $key => $value) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 | 41 |  |             $id = $this->keyToId(is_int($key) ? (string)$key : $key); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 | 41 |  |             $packed = $this->pack($value); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 | 41 |  |             if (!is_string($packed)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |                 throw new UnexpectedValueException("Packer must create a string for the data"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 | 41 |  |             $dictionary[$id] = $packed; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 | 24 |  |         $ttlSeconds = $this->ttlToSeconds($ttl); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 | 14 |  |         if (isset($ttlSeconds) && $ttlSeconds <= 0) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 | 1 |  |             return $this->execCommand('DEL', array_keys($dictionary)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 | 13 |  |         return $this->msetExpire($dictionary, $ttlSeconds); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 | 20 |  |     public function delete($key) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 | 20 |  |         $id = $this->keyToId($key); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 | 2 |  |         return $this->execCommand('DEL', [$id]) !== false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 | 21 |  |     public function deleteMultiple($keys) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 | 21 |  |         $ids = array_keys($this->mapKeysToIds($keys)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 | 2 |  |         return empty($ids) || $this->execCommand('DEL', $ids) !== false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 | 198 |  |     public function clear() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 | 198 |  |         return $this->execCommand('FLUSHDB'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 245 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 246 |  |  |  |