PHP code example of vectorface / cache

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

vectorface / cache example snippets

use Vectorface\Cache\PHPCache;

// PHPCache is a trivial array-backed cache.
$cache = new PHPCache();
$cache->get("foo"); // null, because we just created this cache.
$cache->get("foo", "dflt"); // "dflt"; same as above, but with our own default
$cache->set("foo", "bar"); // returns true if set. This cache always succeeds.
$cache->get("foo"); // "bar", because we just set it.

use Vectorface\Cache\APCCache;
use Vectorface\Cache\PHPCache;
use Vectorface\Cache\TempFileCache;

// Memcache and SQL-based caches also work, but aren't as good as examples.
$caches = [new APCCache(), new PHPCache(), new TempFileCache()];
foreach ($caches as $cache) {
    // Look ma! Same interface!
    $cache->set('foo', 'bar');
    $cache->get('foo');
}

use Vectorface\Cache\APCCache;
use Vectorface\Cache\AtomicCounter;

$cache = new APCCache();
assert($cache instanceof AtomicCounter);

// Can increment and decrement by key, defaults to steps of 1
assert($cache->increment("counter") === 1);
assert($cache->increment("counter") === 2);
assert($cache->decrement("counter") === 1);

// Can step by arbitrary amounts
assert($cache->increment("counter", 5) === 6);
assert($cache->decrement("counter", 2) === 4);

use Vectorface\Cache\APCCache;
use Vectorface\Cache\MCCache;
use Vectorface\Cache\TempFileCache;
use Vectorface\Cache\TieredCache;

$memcache = new Memcache();
$memcache->addServer("127.0.0.1");
$cache = new TieredCache([
    new APCCache(),
    new MCCache($memcache),
    new TempFileCache(),
]);

$cache->get("foo"); // Tries all caches in sequence until one succeeds. Fails if none succeed.
$cache->set("foo", "bar"); // Sets a value in all caches.
$cache->get("foo"); // Tries all caches in sequence. The fastest should succeed and return quickly.

use Psr\SimpleCache\CacheInterface;
use Vectorface\Cache\PHPCache;
use Vectorface\Cache\SimpleCacheAdapter;

$psr16Cache = new SimpleCacheAdapter(new PHPCache());

assert($psr16Cache instanceof CacheInterface);