Webmozart\KeyValueStore\Api\KeyValueStore::getMultiple PHP Method

    public function getMultiple(array $keys, $default = null);

 private function loadAllBindings()
 {
     $keysToFetch = array();
     foreach ($this->keysByTypeName as $key) {
         if (!isset($this->bindingsByKey[$key])) {
             $keysToFetch[] = 'b:' . $key;
         }
     }
     $fetchedBindings = $this->store->getMultiple($keysToFetch);
     foreach ($fetchedBindings as $key => $bindingsForKey) {
         $this->bindingsByKey[$key] = $bindingsForKey ?: array();
         $this->initializeBindings($this->bindingsByKey[$key]);
     }
 }