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POCakePHP 2.1: Browser cache vs View cache
 

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    <p>I have a question about the way view caching and browser caching work together in CakePHP 2.1.</p> <p>I've just upgraded my app to CakePHP 2.1, and set up HTTP caching using the new <code>$this-&gt;response-&gt;modified</code> method (which works well):</p> <pre><code>class ArticlesController extends AppController { public function view($id) { $article = $this-&gt;Article-&gt;find( 'first', array('conditions' =&gt; array('Article.id' =&gt; $id)) ); $this-&gt;response-&gt;modified($article['Article']['modified']); $this-&gt;set(compact('article')); } } </code></pre> <p>I have also set up CakePHP view caching:</p> <pre><code>class ArticlesController extends AppController { public $cacheAction = array( 'view' =&gt; array('callbacks' =&gt; true, 'duration' =&gt; "1 week"), } } </code></pre> <p>Both work well when used independently. However, when both are enabled, the CakePHP view caching seems to override the browser caching (specifically, no <code>Last-Modified</code> header is sent when pages are served from the CakePHP view cache). This stops the browser from caching pages that are being served from CakePHP's view cache.</p> <p>Ideally, I would like the browser to cache pages even if they are being served from CakePHP's cache (i.e. I would like CakePHP to return a <code>Last-Modified</code> header, and respond to the browser's <code>If-Modified-Since</code> request header, regardless of whether CakePHP has is returning a cached copy of page or not).</p> <p>I'm just wondering whether this is expected behavior, whether I'm doing something wrong, or whether it's something that has not been considered (or is not thought to be important).</p>
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