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php-cache's Introduction

Example PHP Cache

PSR-6 PSR-Cache

$pool = new CachePool(__DIR__ . '/../data/');

// notfound なアイテムが返る
$item = $pool->getItem('xxx');

// 値を設定(有効期限はデフォルト値)
$item->set(123);

// 有効期限を設定
$item->expiresAfter(300);

// 変更をバックエンドのストレージに反映
$this->commit();

// コミットせずに直ちに指定のアイテムだけストレージに反映
$this->save($item);

// ???
// デフォルトで即時反映される実装であえて遅延させたいとき?
$this->saveDeferred($item);

プールに対して set/add するのではないところがちょっとおもしろいかも? 実際に使うときは↓のようになるか。

$item = $pool->getItem('xxx');

if ($item->isHit() === false) {
    $row = $dao->fetchRow();
    $item->set($row);
}

return $item->get();

PSR-16 Simple Cache

よくある get/set なシンプルなキャッシュ。

$cache->set('simple', 123);
$val = $cache->set('simple');

$cache->delete('simple');

$cache->clear();

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