initial commit

lib/symfony/helper/CacheHelper.php

@@ -0,0 +1,88 @@
+<?php
+
+/*
+ * This file is part of the symfony package.
+ * (c) 2004-2006 Fabien Potencier <fabien.potencier@symfony-project.com>
+ * 
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * CacheHelper.
+ *
+ * @package    symfony
+ * @subpackage helper
+ * @author     Fabien Potencier <fabien.potencier@symfony-project.com>
+ * @version    SVN: $Id: CacheHelper.php 5085 2007-09-14 20:09:53Z fabien $
+ */
+
+/* Usage
+
+<?php if (!cache('name')): ?>
+
+... HTML ...
+
+  <?php cache_save() ?>
+<?php endif; ?>
+
+*/
+function cache($name, $lifeTime = 86400)
+{
+  $context = sfContext::getInstance();
+
+  if (!sfConfig::get('sf_cache'))
+  {
+    return null;
+  }
+
+  $request = $context->getRequest();
+  $cache   = $context->getViewCacheManager();
+
+  if (!is_null($request->getAttribute('started', null, 'symfony/action/sfAction/cache')))
+  {
+    throw new sfCacheException('Cache already started');
+  }
+
+  $data = $cache->start($name, $lifeTime);
+
+  if ($data === null)
+  {
+    $request->setAttribute('started', 1, 'symfony/action/sfAction/cache');
+    $request->setAttribute('current_name', $name, 'symfony/action/sfAction/cache');
+
+    return 0;
+  }
+  else
+  {
+    echo $data;
+
+    return 1;
+  }
+}
+
+function cache_save()
+{
+  $context = sfContext::getInstance();
+
+  if (!sfConfig::get('sf_cache'))
+  {
+    return null;
+  }
+
+  $request = $context->getRequest();
+
+  if (is_null($request->getAttribute('started', null, 'symfony/action/sfAction/cache')))
+  {
+    throw new sfCacheException('Cache not started');
+  }
+
+  $name = $request->getAttribute('current_name', '', 'symfony/action/sfAction/cache');
+
+  $data = $context->getViewCacheManager()->stop($name);
+
+  $request->setAttribute('started', null, 'symfony/action/sfAction/cache');
+  $request->setAttribute('current_name', null, 'symfony/action/sfAction/cache');
+
+  echo $data;
+}