/** @public-command-method */
public function updateFrequency($oldTags, $newTags)
{
$oldTags = ArrayHelper::string2array($oldTags);
$newTags = ArrayHelper::string2array($newTags);
/*
array_values() returns all the values from the array and indexes the array numerically.
input: array("size" => "XL", "color" => "gold");
output: Array ( [0] => XL , [1] => gold)
*/
$this->addTags(array_values(array_diff($newTags, $oldTags)));
$this->removeTags(array_values(array_diff($oldTags, $newTags)));
}
public function getTags()
{
$tag_arr = ArrayHelper::string2array($this->tag);
$processed = str_replace(Illust::uniqueTagPrefix, '', $tag_arr);
return $processed;
}
public function getFirstImgSrc()
{
$tag_arr = ArrayHelper::string2array($this->thumbnail_src);
if (count($tag_arr) > 0) {
return $tag_arr[0];
} else {
return null;
}
}
