/**
* Check whether a session variable is set in an application context
*
* @param string $index
* @return boolean
*/
public function has($index)
{
if (!$this->is_started) {
$this->start();
}
$name = $this->getName($index);
if (isset($this->_data[$name])) {
return true;
}
return $this->cache->exists($name);
}
/**
* Prints the HTML for CSS resources.
*
* @param string $collectionName the name of the collection
*
* @return string
**/
public function outputCss($collectionName = self::DEFAULT_COLLECTION_CSS)
{
$remote = $this->_config->application->assets->get('remote');
$collection = $this->collection($collectionName);
if (!$remote && $collection->getJoin()) {
$local = $this->_config->application->assets->get('local');
$lifetime = $this->_config->application->assets->get('lifetime', 0);
$filepath = $local . self::GENERATED_STORAGE_PATH . ($filename = $filename = $this->getCollectionFileName($collection, self::FILENAME_PATTERN_CSS));
$collection->setTargetPath($filepath)->setTargetUri($filepath);
if ($this->_cache->exists($filename)) {
return Tag::stylesheetLink($collection->getTargetUri());
}
$res = parent::outputCss($collectionName);
$this->_cache->save($filename, true, $lifetime);
return $res;
}
return parent::outputCss($collectionName);
}
