Zend Cache Functions

zend_[shm|disk]_cache_store

boolean zend_shm_cache_store(string [namespace::]key, mixed var [, int ttl])

boolean zend_disk_cache_store(string [namespace::]key, mixed var [, int ttl])

• Description: store var identified by key into the cache. If a namespace is provided, the key is stored under that namespace. (Identical keys can exist under different namespaces)

• Return Value: FALSE when stored failed, TRUE otherwise

• Parameters:
  key - the data's key. Possibly prefixed with namespace
  var - can be any PHP object that can be serialized.
  ttl - time to live in seconds. ZendCache keeps the objects in the cache as long as the TTL is no expired, once expired it will be removed from the cache

zend_[shm|disk]_cache_fetch

mixed zend_shm_cache_fetch(string [namespace::]key)

mixed zend_disk_cache_fetch(string [namespace::]key)

• Description: fetch data from the cache. The key can be prefixed with a namespace to indicate searching within this namespace only. If no namespace is provided, ZendCache searches for the key in the global namespace

• Return Value: NULL when no data matching the key is found, else it returns the stored data

• Parameters:
  key - the data's key. Possibly prefixed with namespace

zend_[shm|disk]_cache_delete

boolean zend_disk_cache_delete( string [namespace::]key )

boolean zend_shm_cache_delete( string [namespace::]key )

• Description: find and delete an entry from the cache, using a key to identify it. The key can be prefixed with a namespace to indicate deleting a key from within that namespace only. If no namespace is provided, ZendCache searches for the key in the global namespace

• Return Value: TRUE on success, FALSE otherwise

• Parameters:
  key - the data's key. Possibly prefixed with namespace

zend_[shm|disk]_cache_clear

bool zend_disk_cache_clear([string namespace])

bool zend_shm_cache_clear([string namespace])

• Description: delete all entries from the cache, from all namespace. If 'namespace' is provided, delete all entries from that namespace only

• Return Value: TRUE on success, FALSE otherwise

• Parameters:
  namespace - [optional] namespace to delete