PHP code example of noizu-labs / fragmented-keys

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

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

    

noizu-labs / fragmented-keys example snippets

  $GlobalGreetingTag = new Tag\Standard("Global.Greeting", "global");
  $UserUserNameTag = new Tag\Standard("User.Username", $userId);
  $keyobj = new Key\Standard(
      "CacheDataThatInvalidatesWhenUserNamesAreChanged", 
      array($UserUserNameTag, $GlobalGreetingTag)
  );
  $cacheKey = $keyObj->getKeyStr(); 

  $UserUserNameTag = new Tag\Standard("User.Username", $userId);
  $UserUserNameTag->Increment(); 

  $GlobalGreetingTag->Increment(); 

$m = new \Memcached;
\NoizuLabs\FragmentedKeys\Configuration\setGlobalCacheHandler(new \NoizuLabs\FragmentedKeys\CacheHandler\Memcached($m));
\NoizuLabs\FragmentedKeys\Configuration\setGlobalPrefix("MyApp");

//you may override the handler per tag by calling 
$tag->setCacheHandler($alternativeHandler); 

//or by including a handler in you constructor. 
$tag = new Tag\Standard("Users", 1234, null, CacheHandler\Apc());

$apcHandler = \NoizuLabs\FragmentedKeys\CacheHandler\Apc();
$inMemoryHandler = \NoizuLabs\FragmentedKeys\CacheHandler\Memory();
$memcachedHandler = \NoizuLabs\FragmentedKeys\CacheHandler\Memcached(new Memcached());
$memcacheHandler = \NoizuLabs\FragmentedKeys\CacheHandler\Memcache(new Memcache());

    //=================================================
    // Config stuff you only need to do this once
    //=================================================
    /* Somewhere in you bootstrap or wherever you instiatiate a KeyRing or KeyRing derived Class */
    $cacheHandlers = array(
        'memcache' => new \NoizuLabs\FragmentedKeys\CacheHandler\Memcached($this->container['memcache']),
        'memory' => new \NoizuLabs\FragmentedKeys\CacheHandler\Memory()
        );
    $globalOptions = array(
      'type' => 'standard'  
    );
    $tagOptions = array(
        'universe' => array('type' => 'constant', 'version' => 5)
    );
    $ring = new FragmentedKeys\KeyRing($globalOptions,  $tagOptions, 'memcache', $cacheHandlers);

    /* define you keys */
    $ring->DefineKey("Users", array('universe', array('tag' => 'planet' , 'cacheHandler' => 'memory', 'version' => null, 'type'=>'standard'), 'city'));


    //==============================================
    // Need to check for some cached data? Generating you key now takes one line instead of 5;
    //===============================================
    $users = $ring->getUsersKeyObj('MilkyWay', 'Earth', 'Chicago')->getKeyStr();
    $users = $memcache->get($userKey);
    if(!users) {
          $users = query("select * from users where universe='MilkyWay' AND planet='Earth' AND 'city' => 'Chicago'");
          $memcache->set($userKey, $users);
    }
    
    /* Invalidate them */
    $universeTag = new Tag\Standard('universe', 'MilkyWay'); 
    $universeTag->increment(); 


    //===============================
    // Old Method
    //===============================
    $universeTag = new Tag\Constant("universe", "MilkyWay",5);
    $worldTag = new Tag\Standard("planet", "Earth");
    $cityTag = new Tag\Standard("city", "Chicago", null, new FragmentedKeys\CacheHandler\Memory());
    $key = new Key\Standard("Users", array($universeTag, $worldTag, $cityTag); 
    $userKey = $key->getKeyStr();
    $users = $memcache->get($userKey);
    if(!users) {
          $users = query("select * from users where universe='MilkyWay' AND planet='Earth' AND 'city' => 'Chicago'");
          $memcache->set($userKey, $users);
    }
    
    /* Invalidate them */
    $universeTag->increment(); 

class MyGames extends NoizuLabs\FragmentedKeys\KeyRing {
    public getGameDescriptionKeyObj($gameId) {
         /* Define Key in the usual manner  */

         /* . . . */

         $gameSiteId = $this->pimpleContainer['gameSite']; 
         $userId = $this->getUserId(); 
         return $this->getKeyObj("GameDescription", array( $gameId, $gameSiteId, $userId, ... etc.));
    }
}

// Now your cache code looks simple
$gameDescCacheKey = $ring->getGameDescriptionKeyObj($gameId)->getKeyStr();