public static function getInstance()
{
if (!self::$instance instanceof self) {
self::$instance = new self();
}
return self::$instance;
}
static function summarize($text, $limit = null)
{
$text = SeoPurifier::purify($text);
$summary = '';
foreach (self::$_split_tags as $tag) {
if ($i = strpos($text, $tag)) {
$summary = substr($text, 0, $i);
break;
}
}
$length = $limit && $limit < self::$_maxlen ? $limit : self::$_maxlen;
$summary = $summary && $limit ? self::truncate(strip_tags($summary), $limit) : ($text ? self::truncate(strip_tags($text), $length) : '');
return $summary;
}
