protected function detectChunk($text)
{
$ngrams = $this->sort->sort($this->parser->get($text));
$total = min($this->config->maxNGram(), count($ngrams));
foreach ($this->data as $lang => $data) {
$distance[] = array('lang' => $lang, 'score' => $this->distance->distance($data, $ngrams, $total));
}
usort($distance, function ($a, $b) {
return $a['score'] > $b['score'] ? -1 : 1;
});
if ($distance[0]['score'] - $distance[1]['score'] <= $this->threshold) {
/** First and second language candidates are similar, we return the
whole structure */
return $distance;
}
/* we found a candidate which is at least 2% better than the second
candidate */
return $distance[0]['lang'];
}
/**
* @param string $text
* @param string[] $languages
* @return array[] [ [ 'lang' => <string>, 'score' => <float> ], ... ]
*/
protected function detectChunk($text, $languages = null)
{
$ngrams = $this->sort->sort($this->parser->get($text));
$total = min($this->config->maxNGram(), count($ngrams));
foreach ($this->data as $lang => $data) {
if ($languages && !in_array($lang, $languages)) {
continue;
}
$distance[] = array('lang' => $lang, 'score' => $this->distance->distance($data, $ngrams, $total));
}
usort($distance, function ($a, $b) {
return $a['score'] > $b['score'] ? -1 : 1;
});
return $distance;
}
