| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace League\Flysystem\Cached; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use League\Flysystem\AdapterInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use League\Flysystem\Config; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | class CachedAdapter implements AdapterInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |      * @var AdapterInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |     private $adapter; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |      * @var CacheInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |     private $cache; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |      * Constructor. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |      * @param AdapterInterface $adapter | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |      * @param CacheInterface   $cache | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 | 144 |  |     public function __construct(AdapterInterface $adapter, CacheInterface $cache) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 | 144 |  |         $this->adapter = $adapter; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 | 144 |  |         $this->cache = $cache; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 | 144 |  |         $this->cache->load(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 | 144 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |      * Get the underlying Adapter implementation. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      * @return AdapterInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 | 3 |  |     public function getAdapter() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 | 3 |  |         return $this->adapter; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |      | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      * Get the used Cache implementation. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      * @return CacheInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |     public function getCache() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |         return $this->cache; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 | 6 |  |     public function write($path, $contents, Config $config) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 | 6 |  |         $result = $this->adapter->write($path, $contents, $config); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 | 6 |  |         if ($result !== false) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 | 3 |  |             $this->cache->updateObject($path, $result + compact('path', 'contents'), true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 | 3 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 | 6 |  |         return $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 | 6 |  |     public function writeStream($path, $resource, Config $config) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 | 6 |  |         $result = $this->adapter->writeStream($path, $resource, $config); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 | 6 |  |         if ($result !== false) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 | 3 |  |             $contents = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 | 3 |  |             $this->cache->updateObject($path, $result + compact('path', 'contents'), true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 | 3 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 | 6 |  |         return $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 | 6 |  |     public function update($path, $contents, Config $config) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 | 6 |  |         $result = $this->adapter->update($path, $contents, $config); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 | 6 |  |         if ($result !== false) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 | 3 |  |             $this->cache->updateObject($path, $result + compact('path', 'contents'), true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 | 3 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 | 6 |  |         return $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 | 6 |  |     public function updateStream($path, $resource, Config $config) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 | 6 |  |         $result = $this->adapter->updateStream($path, $resource, $config); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 | 6 |  |         if ($result !== false) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 | 3 |  |             $contents = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 | 3 |  |             $this->cache->updateObject($path, $result + compact('path', 'contents'), true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 | 3 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 | 6 |  |         return $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 | 6 |  |     public function rename($path, $newPath) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 | 6 |  |         $result = $this->adapter->rename($path, $newPath); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 | 6 |  |         if ($result !== false) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 | 3 |  |             $this->cache->rename($path, $newPath); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 | 3 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 | 6 |  |         return $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 | 6 |  |     public function copy($path, $newpath) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 | 6 |  |         $result = $this->adapter->copy($path, $newpath); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 | 6 |  |         if ($result !== false) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 | 3 |  |             $this->cache->copy($path, $newpath); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 | 3 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 | 6 |  |         return $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 | 6 |  |     public function delete($path) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 | 6 |  |         $result = $this->adapter->delete($path); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 | 6 |  |         if ($result !== false) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 | 3 |  |             $this->cache->delete($path); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 | 3 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 | 6 |  |         return $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 | 6 |  |     public function deleteDir($dirname) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 | 6 |  |         $result = $this->adapter->deleteDir($dirname); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 | 6 |  |         if ($result !== false) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 | 3 |  |             $this->cache->deleteDir($dirname); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 | 3 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 | 6 |  |         return $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 | 6 |  |     public function createDir($dirname, Config $config) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 | 6 |  |         $result = $this->adapter->createDir($dirname, $config); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 | 6 |  |         if ($result !== false) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 | 3 |  |             $type = 'dir'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 | 3 |  |             $path = $dirname; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 | 3 |  |             $this->cache->updateObject($dirname, compact('path', 'type'), true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 | 3 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 | 6 |  |         return $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 | 6 |  |     public function setVisibility($path, $visibility) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 | 6 |  |         $result = $this->adapter->setVisibility($path, $visibility); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 | 6 |  |         if ($result !== false) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 | 3 |  |             $this->cache->updateObject($path, compact('path', 'visibility'), true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 | 3 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 | 6 |  |         return $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 | 12 |  |     public function has($path) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 | 12 |  |         $cacheHas = $this->cache->has($path); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 | 12 |  |         if ($cacheHas !== null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 | 6 |  |             return $cacheHas; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 | 6 |  |         $adapterResponse = $this->adapter->has($path); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 | 6 |  |         if (! $adapterResponse) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 | 3 |  |             $this->cache->storeMiss($path); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 | 3 |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 | 3 |  |             $cacheEntry = is_array($adapterResponse) ? $adapterResponse : compact('path'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 | 3 |  |             $this->cache->updateObject($path, $cacheEntry, true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 | 6 |  |         return $adapterResponse; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 | 9 |  |     public function read($path) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 | 9 |  |         return $this->callWithFallback('read', $path); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 | 3 |  |     public function readStream($path) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 | 3 |  |         return $this->adapter->readStream($path); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 | 9 |  |     public function listContents($directory = '', $recursive = false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 | 9 |  |         if ($this->cache->isComplete($directory, $recursive)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 | 3 |  |             return $this->cache->listContents($directory, $recursive); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 245 | 6 |  |         $result = $this->adapter->listContents($directory, $recursive); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 246 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 247 | 6 |  |         if ($result) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 | 3 |  |             $this->cache->storeContents($directory, $result, $recursive); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 249 | 3 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 250 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 251 | 6 |  |         return $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 252 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 253 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 254 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 255 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 256 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 257 | 9 |  |     public function getMetadata($path) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 258 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 259 | 9 |  |         return $this->callWithFallback('getMetadata', $path); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 260 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 261 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 262 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 263 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 264 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 265 | 9 |  |     public function getSize($path) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 266 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 267 | 9 |  |         return $this->callWithFallback('getSize', $path); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 268 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 269 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 270 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 271 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 272 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 273 | 9 |  |     public function getMimetype($path) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 274 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 275 | 9 |  |         return $this->callWithFallback('getMimetype', $path); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 276 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 277 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 278 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 279 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 280 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 281 | 9 |  |     public function getTimestamp($path) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 282 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 283 | 9 |  |         return $this->callWithFallback('getTimestamp', $path); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 284 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 285 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 286 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 287 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 288 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 289 | 9 |  |     public function getVisibility($path) | 
            
                                                                        
                            
            
                                    
            
            
                | 290 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 291 | 9 |  |         return $this->callWithFallback('getVisibility', $path); | 
            
                                                                        
                            
            
                                    
            
            
                | 292 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 293 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 294 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 295 |  |  |      * Call a method and cache the response. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 296 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 297 |  |  |      * @param string $method | 
            
                                                                                                            
                            
            
                                    
            
            
                | 298 |  |  |      * @param string $path | 
            
                                                                                                            
                            
            
                                    
            
            
                | 299 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 300 |  |  |      * @return mixed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 301 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 302 | 54 |  |     protected function callWithFallback($method, $path) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 303 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 304 | 54 |  |         $result = $this->cache->{$method}($path); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 305 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 306 | 54 |  |         if ($result !== false) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 307 | 18 |  |             return $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 308 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 309 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 310 | 36 |  |         $result = $this->adapter->{$method}($path); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 311 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 312 | 36 |  |         if ($result) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 313 | 18 |  |             $object = $result + compact('path'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 314 | 18 |  |             $this->cache->updateObject($path, $object, true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 315 | 18 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 316 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 317 | 36 |  |         return $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 318 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 319 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 320 |  |  |  | 
            
                        
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.