/**
* 关键词分词
*
* @Author tianyunzi
* @DateTime 2015-10-16T10:38:46+0800
*
* @param [type] $keyword
* [description]
* @return array [description]
*/
public function splitKeywordHelper($keyword)
{
if (empty($keyword)) {
return array();
}
$url = $this->di['config']->base->split . "/wd/" . urlencode($keyword);
$num = 3;
while ($num) {
$res = Tools::curl($url, '', '', true, 5);
if ($res[0] == 200) {
$res[1] = str_replace("+", "", $res[1]);
$keywords = explode(" ", $res[1]);
$keywords = array_filter($keywords);
return $keywords;
}
$num--;
}
return array($keyword);
}
