/**
* Listens to the 'view.cache.filter_content' event to decorate a chunk of HTML with cache information.
*
* Added info about linked tags
*
* @param sfEvent $event A sfEvent instance
* @param string $content The HTML content
*
* @return string The decorated HTML string
*/
public function decorateContentWithDebug(sfEvent $event, $content)
{
$updatedContent = parent::decorateContentWithDebug($event, $content);
if ($content === $updatedContent) {
return $content;
}
$cacheMetadata = new CacheMetadata($this->getCache()->get($this->generateCacheKey($event['uri'])));
if (null === $cacheMetadata->getData()) {
return $content;
}
$tags = $cacheMetadata->getTags();
ksort($tags, SORT_ASC);
$tagsCount = count($tags);
$tagsContent = sprintf('[cache tags] count: %d', $tagsCount);
if (0 != $tagsCount) {
$tagsContent .= ', tags:';
foreach ($tags as $name => $version) {
$tagsContent .= sprintf(' <span title="%s">%s</span>,', htmlspecialchars($version, ENT_QUOTES, sfConfig::get('sf_charset')), htmlspecialchars($name, ENT_QUOTES, sfConfig::get('sf_charset')));
}
$tagsContent = substr($tagsContent, 0, -1) . '.';
}
$textToReplace = ' <br /> ';
return str_replace($textToReplace, $tagsContent, $updatedContent);
}
