/**
* Recursive helper for _getMergedArray.
*/
function &_getMergedPhraseResults(&$conference, &$phrase, $type, $publishedFrom, $publishedTo, $resultsPerKeyword, $resultCacheHours)
{
if (isset($phrase['+'])) {
$mergedResults =& PaperSearch::_getMergedKeywordResults($conference, $phrase, $type, $publishedFrom, $publishedTo, $resultsPerKeyword, $resultCacheHours);
return $mergedResults;
}
$mergedResults = array();
$paperSearchDao =& DAORegistry::getDAO('PaperSearchDAO');
$results =& $paperSearchDao->getPhraseResults($conference, $phrase, $publishedFrom, $publishedTo, $type, $resultsPerKeyword, $resultCacheHours);
while (!$results->eof()) {
$result =& $results->next();
$paperId = $result['paper_id'];
if (!isset($mergedResults[$paperId])) {
$mergedResults[$paperId] = $result['count'];
} else {
$mergedResults[$paperId] += $result['count'];
}
}
return $mergedResults;
}