/**
* Generates an array with terms and hits
*
* @return Tags as array with terms and hits
*/
protected function getFrequentSearchTerms()
{
$terms = array();
// Use configuration as cache identifier
$identifier = 'frequentSearchesTags_' . md5(serialize($this->configuration['search.']['frequentSearches.']));
if ($this->cacheInstance->has($identifier)) {
$terms = $this->cacheInstance->get($identifier);
} else {
$terms = $this->getFrequentSearchTermsFromStatistics();
if ($this->configuration['search.']['frequentSearches.']['sortBy'] == 'hits') {
arsort($terms);
} else {
ksort($terms);
}
$lifetime = NULL;
if (isset($this->configuration['search.']['frequentSearches.']['cacheLifetime'])) {
$lifetime = intval($this->configuration['search.']['frequentSearches.']['cacheLifetime']);
}
$this->cacheInstance->set($identifier, $terms, array(), $lifetime);
}
return $terms;
}
