src/Adapter/MemoryCacheItemPool.php
public function save(CacheItemInterface $item)
    {
        $item->setIsHit(true);
        
        $this->data[$item->getKey()] = $item;
        
        return true;
    }
public function save(CacheItemInterface $item)
    {
        $item->setIsHit(true);
        
        $this->data[$item->getKey()] = $item;
        
        return true;
    }
Persists a cache item immediately.

@param CacheItemInterface $item
The cache item to save.

@return bool True if the item was successfully persisted. False if there was an error.