1. class
  2. Doctrine
  3. \
  4. Common
  5. \
  6. Cache
  7. \
  8. ArrayCache

ArrayCache

class ArrayCache extends CacheProvider (View source)

Array cache driver.

Constants

DOCTRINE_NAMESPACE_CACHEKEY

Methods

void
setNamespace(string $namespace)

Sets the namespace to prefix all cache ids with.

from CacheProvider
string
getNamespace()

Retrieves the namespace that prefixes all cache ids.

from CacheProvider
mixed
fetch(string $id)

Fetches an entry from the cache.

from CacheProvider
mixed[]
fetchMultiple(array $keys)

Returns an associative array of values for keys is found in cache.

from CacheProvider
bool
contains(string $id)

Tests if an entry exists in the cache.

from CacheProvider
bool
save(string $id, mixed $data, int $lifeTime = 0)

Puts data into the cache.

from CacheProvider
bool
delete(string $id)

Deletes a cache entry.

from CacheProvider
array|null
getStats()

Retrieves cached information from the data store.

from CacheProvider
bool
flushAll()

Flushes all cache entries, globally.

from CacheProvider
bool
deleteAll()

Deletes all cache entries in the current cache namespace.

from CacheProvider
array
doFetchMultiple(array $keys)

Default implementation of doFetchMultiple. Each driver that supports multi-get should owerwrite it.

from CacheProvider
mixed|false
doFetch(string $id)

Fetches an entry from the cache.

bool
doContains(string $id)

Tests if an entry exists in the cache.

bool
doSave(string $id, string $data, int $lifeTime = 0)

Puts data into the cache.

bool
doDelete(string $id)

Deletes a cache entry.

bool
doFlush()

Flushes all cache entries.

array|null
doGetStats()

Retrieves cached information from the data store.

Details

in CacheProvider at line 57
void setNamespace(string $namespace)

Sets the namespace to prefix all cache ids with.

Parameters

string $namespace

Return Value

void

in CacheProvider at line 68
string getNamespace()

Retrieves the namespace that prefixes all cache ids.

Return Value

string

in CacheProvider at line 76
mixed fetch(string $id)

Fetches an entry from the cache.

Parameters

string $id The id of the cache entry to fetch.

Return Value

mixed The cached data or FALSE, if no cache entry exists for the given id.

in CacheProvider at line 84
mixed[] fetchMultiple(array $keys)

Returns an associative array of values for keys is found in cache.

Parameters

array $keys Array of keys to retrieve from cache

Return Value

mixed[] Array of retrieved values, indexed by the specified keys. Values that couldn't be retrieved are not contained in this array.

in CacheProvider at line 109
bool contains(string $id)

Tests if an entry exists in the cache.

Parameters

string $id The cache id of the entry to check for.

Return Value

bool TRUE if a cache entry exists for the given cache id, FALSE otherwise.

in CacheProvider at line 117
bool save(string $id, mixed $data, int $lifeTime = 0)

Puts data into the cache.

If a cache entry with the given id already exists, its data will be replaced.

Parameters

string $id The cache id.
mixed $data The cache entry/data.
int $lifeTime The lifetime in number of seconds for this cache entry. If zero (the default), the entry never expires (although it may be deleted from the cache to make place for other entries).

Return Value

bool TRUE if the entry was successfully stored in the cache, FALSE otherwise.

in CacheProvider at line 125
bool delete(string $id)

Deletes a cache entry.

Parameters

string $id The cache id.

Return Value

bool TRUE if the cache entry was successfully deleted, FALSE otherwise. Deleting a non-existing entry is considered successful.

in CacheProvider at line 133
array|null getStats()

Retrieves cached information from the data store.

The server's statistics array has the following values:

  • hits Number of keys that have been requested and found present.

  • misses Number of items that have been requested and not found.

  • uptime Time that the server is running.

  • memory_usage Memory used by this server to store items.

  • memory_available Memory allowed to use for storage.

Return Value

array|null An associative array with server's statistics if available, NULL otherwise.

in CacheProvider at line 141
bool flushAll()

Flushes all cache entries, globally.

Return Value

bool TRUE if the cache entries were successfully flushed, FALSE otherwise.

in CacheProvider at line 149
bool deleteAll()

Deletes all cache entries in the current cache namespace.

Return Value

bool TRUE if the cache entries were successfully deleted, FALSE otherwise.

in CacheProvider at line 210
protected array doFetchMultiple(array $keys)

Default implementation of doFetchMultiple. Each driver that supports multi-get should owerwrite it.

Parameters

array $keys Array of keys to retrieve from cache

Return Value

array Array of values retrieved for the given keys.

at line 43
protected mixed|false doFetch(string $id)

Fetches an entry from the cache.

Parameters

string $id The id of the cache entry to fetch.

Return Value

mixed|false The cached data or FALSE, if no cache entry exists for the given id.

at line 51
protected bool doContains(string $id)

Tests if an entry exists in the cache.

Parameters

string $id The cache id of the entry to check for.

Return Value

bool TRUE if a cache entry exists for the given cache id, FALSE otherwise.

at line 60
protected bool doSave(string $id, string $data, int $lifeTime = 0)

Puts data into the cache.

Parameters

string $id The cache id.
string $data The cache entry/data.
int $lifeTime The lifetime. If != 0, sets a specific lifetime for this cache entry (0 => infinite lifeTime).

Return Value

bool TRUE if the entry was successfully stored in the cache, FALSE otherwise.

at line 70
protected bool doDelete(string $id)

Deletes a cache entry.

Parameters

string $id The cache id.

Return Value

bool TRUE if the cache entry was successfully deleted, FALSE otherwise.

at line 80
protected bool doFlush()

Flushes all cache entries.

Return Value

bool TRUE if the cache entries were successfully flushed, FALSE otherwise.

at line 90
protected array|null doGetStats()

Retrieves cached information from the data store.

Return Value

array|null An associative array with server's statistics if available, NULL otherwise.