(PECL memcached >= 0.1.0)
Memcached::get — Retrieve an item
public Memcached::get ( string $key [, callable $cache_cb [, int $$flags ]] ) : mixed
Memcached::get() returns the item that was previously stored under the key
. If the item is found and the flags
is given Memcached::GET_EXTENDED
, it will also return the CAS token value for the item. See Memcached::cas() for how to use CAS tokens. Read-through caching callback may be specified via cache_cb
parameter.
key
The key of the item to retrieve.
cache_cb
Read-through caching callback or null
.
flags
Flags to control the returned result. When Memcached::GET_EXTENDED
is given, the function will also return the CAS token.
Returns the value stored in the cache or false
otherwise. If the flags
is set to Memcached::GET_EXTENDED
, an array containing the value and the CAS token is returned instead of only the value. The Memcached::getResultCode() will return Memcached::RES_NOTFOUND
if the key does not exist.
Version | Description |
---|---|
PECL memcached 3.0.0 | The &cas_token parameter was removed. Instead flags was added and when it is given the value of Memcached::GET_EXTENDED it will ensure the CAS token to be fetched. |
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https://www.php.net/manual/en/memcached.get.php