WPCOM_JSON_API_Endpoint::parse_types PHP Method

    function parse_types($text)
    {
        if (!preg_match('#^\\(([^)]+)\\)#', ltrim($text), $matches)) {
            return 'none';
        }
        $types = explode('|', strtolower($matches[1]));
        $return = array();
        foreach ($types as $type) {
            foreach (array(':' => 'children', '>' => 'subtype', '=' => 'default') as $operator => $meaning) {
                if (false !== strpos($type, $operator)) {
                    $item = explode($operator, $type, 2);
                    $return[] = array('type' => $item[0], $meaning => $item[1]);
                    continue 2;
                }
            }
            $return[] = compact('type');
        }
        return $return;
    }