public static function updateFrequency($oldTags, $newTags)
{
$oldTags = \Helpers\TextHelper::string2array($oldTags);
$newTags = \Helpers\TextHelper::string2array($newTags);
self::addTags(array_values(array_diff($newTags, $oldTags)));
self::removeTags(array_values(array_diff($oldTags, $newTags)));
}
/**
* @return array a list of links that point to the post list filtered by every tag of this post
*/
public function getTagLinks()
{
$links = array();
foreach (\Helpers\TextHelper::string2array($this->tags) as $tag) {
$links[] = \Phalcon\Tag::linkTo('posts/index?tags=' . $tag, $tag);
}
return $links;
}
