ihor / cachalot
Cache a lot in a proper way (APC, XCache, Memcached, Redis, Couchbase)
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Requires
- php: >=5.3.0
Requires (Dev)
- phpunit/phpunit: ~5.0
README
Cachalot (cache a lot) is an easy to use caching library. It supposed to do the only one thing - return cached callback result.
Installation
Define the following requirement in your composer.json file:
"require": {
"ihor/cachalot": "2.3"
}
Usage
// With Cachalot cache you can easily cache results of different types of functions $cache = new \Cachalot\ArrayCache(); // built-in functions $length = $cache->getCached('strlen', ['hello world']); // user defined functions $unique = $cache->getCached('uniqueValues', [[1, 2, 3, 1, 2, 3]]); // static methods $result = $cache->getCached(['Calculator', 'subtract'], [1, 2]); // instance methods $square = $cache->getCached([new Calculator(), 'square'], [5]); // anonymous functions $reason = $cache->getCached($getErrorReason, [], \Cachalot\Cache::ONE_DAY, 'error-reason'); // callable objects $trimed = $cache->getCached(new Trimmer(), [' hello world ']);
Reference
Cache API
getCached($callback, array $args = array(), $expireIn = 0, $suffix = null, $useSuffixAsKey = false)
Returns cached $callback result
$callback
is the function (callable) which results we want to be cached
$args
are the arguments passed to the $callback
$expireIn
sets cache TTL in seconds
$suffix
is needed to avoid collisions when callback is an anonymous function
$useSuffixAsKey
when true cache suffix will be used as a cache key
$length = $cache->getCached('strlen', ['hello world']);
To have possibility to use Cachalot as a regular caching library when needed it contains classic cache methods
contains($key)
Returns true if cache contains entry with given key
if ($cache->contains('lastVisit')) { echo 'This is not the first visit'; }
get($key)
Returns cached value by key or false if there is no cache entry for the given key
if ($lastVisitDate = $cache->get('lastVisit')) { echo sprintf('Last visit was at %s', $lastVisitDate); }
set($key, $value, $expireIn = 0)
Caches value by key. When $expireIn = 0
the value is cached forever
$cache->set('lastVisit', time());
delete($key)
Deletes cache entry by key
$cache->delete('lastVisit');
clear()
Deletes all cache entries
$cache->clear();
Back-ends
Cachalot\ApcCache
Stores data in APC
$cache = new Cachalot\ApcCache();
Cachalot\XcacheCache
Stores data in Xcache
$cache = new Cachalot\XcacheCache();
Cachalot\MemcacheCache
Stores data in Memcached using Memcache PHP extension
$memcache = new \Memcache(); $memcache->connect('unix:///usr/local/var/run/memcached.sock', 0); $cache = new \Cachalot\MemcacheCache($memcache);
Cachalot\MemcachedCache
Stores data in Memcached using Memcached PHP extension
$memcached = new \Memcached(); $memcached->addServer('/usr/local/var/run/memcached.sock', 0); $cache = new \Cachalot\MemcachedCache($memcached);
Cachalot\RedisCache
Stores data in Redis
$redis = new \Redis(); $redis->connect('127.0.0.1'); $redis->select(1); $cache = new \Cachalot\RedisCache($redis);
Cachalot\CouchbaseCache
Stores data in Couchbase using Couchbase PHP SDK 1.x
$couchbase = new \Couchbase('127.0.0.1', '', '', 'default'); $cache = new \Cachalot\CouchbaseCache($couchbase);
Cachalot\Couchbase2Cache
Stores data in Couchbase using Couchbase PHP SDK 2.x
$cluster = new \CouchbaseCluster('couchbase://localhost'); $bucket = $cluster->openBucket('default'); $cache = new \Cachalot\Couchbase2Cache($bucket);
Cachalot\ArrayCache
Stores data in PHP array
$cache = new \Cachalot\ArrayCache();
Cachalot\BlackholeCache
Never stores any data
$cache = new \Cachalot\BlackholeCache();