1. class
  2. Nette
  3. \
  4. Caching
  5. \
  6. Cache

Cache

class Cache extends Object implements ArrayAccess

Implements the cache for a application.

Constants

PRIORITY

dependency
EXPIRATION

dependency
EXPIRE

dependency
SLIDING

dependency
TAGS

dependency
FILES

dependency
ITEMS

dependency
CONSTS

dependency
CALLBACKS

dependency
ALL

dependency
internal NAMESPACE_SEPARATOR

Methods

__construct(IStorage $storage, $namespace = NULL)

No description

IStorage
getStorage()

Returns cache storage.

string
getNamespace()

Returns cache namespace.

Cache
derive($namespace)

Returns new nested cache object.

mixed|null
load($key, $fallback = NULL)

Reads the specified item from the cache or generate it.

mixed
save($key, $data, array $dependencies = NULL)

Writes item into the cache.

void
remove($key)

Removes item from the cache.

void
clean(array $conditions = NULL)

Removes items from the cache by conditions.

mixed
call($function)

Caches results of function/method calls.

Closure
wrap($function, array $dependencies = NULL)

Caches results of function/method calls.

OutputHelper|null
start($key)

Starts the output cache.

string
generateKey($key)

Generates internal cache key.

offsetSet($key, $data) deprecated

No description

offsetGet($key) deprecated

No description

offsetExists($key) deprecated

No description

offsetUnset($key) deprecated

No description

release() deprecated

No description

static bool
checkCallbacks($callbacks)

Checks CALLBACKS dependencies.

Details

at line 49
__construct(IStorage $storage, $namespace = NULL)

No description

Parameters

IStorage $storage
$namespace

at line 60
IStorage getStorage()

Returns cache storage.

Return Value

IStorage

at line 70
string getNamespace()

Returns cache namespace.

Return Value

string

at line 81
Cache derive($namespace)

Returns new nested cache object.

Parameters

$namespace

Return Value

Cache

at line 94
mixed|null load($key, $fallback = NULL)

Reads the specified item from the cache or generate it.

Parameters

$key
$fallback

Return Value

mixed|null

at line 123
mixed save($key, $data, array $dependencies = NULL)

Writes item into the cache.

Dependencies are:

  • Cache::PRIORITY => (int) priority
  • Cache::EXPIRATION => (timestamp) expiration
  • Cache::SLIDING => (bool) use sliding expiration?
  • Cache::TAGS => (array) tags
  • Cache::FILES => (array|string) file names
  • Cache::ITEMS => (array|string) cache items
  • Cache::CONSTS => (array|string) cache items

Parameters

$key
$data
array $dependencies

Return Value

mixed

value itself

Exceptions

InvalidArgumentException

at line 190
void remove($key)

Removes item from the cache.

Parameters

$key

Return Value

void

at line 204
void clean(array $conditions = NULL)

Removes items from the cache by conditions.

Conditions are:

  • Cache::PRIORITY => (int) priority
  • Cache::TAGS => (array) tags
  • Cache::ALL => TRUE

Parameters

array $conditions

Return Value

void

at line 216
mixed call($function)

Caches results of function/method calls.

Parameters

$function

Return Value

mixed

at line 234
Closure wrap($function, array $dependencies = NULL)

Caches results of function/method calls.

Parameters

$function
array $dependencies

Return Value

Closure

at line 256
OutputHelper|null start($key)

Starts the output cache.

Parameters

$key

Return Value

OutputHelper|null

at line 272
protected string generateKey($key)

Generates internal cache key.

Parameters

$key

Return Value

string

at line 284
offsetSet($key, $data) deprecated

deprecated

No description

Parameters

$key
$data

at line 293
offsetGet($key) deprecated

deprecated

No description

Parameters

$key

at line 307
offsetExists($key) deprecated

deprecated

No description

Parameters

$key

at line 317
offsetUnset($key) deprecated

deprecated

No description

Parameters

$key

at line 326
release() deprecated

deprecated

No description

at line 340
static bool checkCallbacks($callbacks)

Checks CALLBACKS dependencies.

Parameters

$callbacks

Return Value

bool