private function register($word)
{
$word = trim($word);
if (empty($word)) {
return;
}
$lower_word = strtolower($word);
$stem = HotWords::wordNormalize($lower_word);
// echo $word . " -> " . $stem . PHP_EOL;
if (!isset($this->word_stat[$stem])) {
$this->word_stat[$stem] = array('times' => 0, 'words' => array());
}
$this->word_stat[$stem]['times'] += 1;
$this->word_stat[$stem]['words'][$word] = $word;
}
public static function wordNormalize($anyword)
{
//String(String anyword)
$s = new HotWords();
// $s.add(anyword.toCharArray(), anyword.length());
$s->add($anyword);
$s->stem();
return $s->toString();
}
