Class Doctrine\ORM\Cache\CacheKey

`abstract`

Defines entity / collection / query key to be stored in the cache region. Allows multiple roles to be stored in the same cache region.

Methods
`public`	`__construct(?string $hash = null)` Overriden by `Doctrine\ORM\Cache\TimestampCacheKey::__construct()` `Doctrine\ORM\Cache\QueryCacheKey::__construct()` `Doctrine\ORM\Cache\EntityCacheKey::__construct()` `Doctrine\ORM\Cache\CollectionCacheKey::__construct()`	#

Properties
`public`	`string`	`$hash`	#