original_string: public function getCache()
      {
          if (null === $this->cache) {
              if (isset($this->options['cache']) && is_string($this->options['cache'])) {
                  $this->cache = $this->container->get($this->options['cache']);
              }
          }
          
          return $this->cache;
      }
code: public function getCache()
      {
          if (null === $this->cache) {
              if (isset($this->options['cache']) && is_string($this->options['cache'])) {
                  $this->cache = $this->container->get($this->options['cache']);
              }
          }
          
          return $this->cache;
      }
code_tokens: public function getCache ( ) { if ( null === $ this -> cache ) { if ( isset ( $ this -> options [ 'cache' ] ) && is_string ( $ this -> options [ 'cache' ] ) ) { $ this -> cache = $ this -> container -> get ( $ this -> options [ 'cache' ] ) ; } } return $ this -> cache ; }
docstring: Get Storage if define in config.
  
  @return \Zend\Cache\Storage\StorageInterface|null
docstring_tokens: Get Storage if define in config .