Phan\Language\UnionType::fromFullyQualifiedString PHP Method

    public static function fromFullyQualifiedString(string $fully_qualified_string) : UnionType
    {
        if ($fully_qualified_string === '') {
            return new UnionType();
        }
        return new UnionType(array_map(function (string $type_name) {
            return Type::fromFullyQualifiedString($type_name);
        }, explode('|', $fully_qualified_string)));
    }

 /**
  * @param array
  * A map from column name to value
  *
  * @return Model
  * An instance of the model derived from row data
  */
 public static function fromRow(array $row) : Clazz
 {
     $parent_fqsen = $row['parent_class_fqsen'] ? FullyQualifiedClassName::fromFullyQualifiedString($row['parent_class_fqsen']) : null;
     $interface_fqsen_list = array_map(function (string $fqsen_string) {
         return FullyQualifiedClassName::fromFullyQualifiedString($fqsen_string);
     }, array_filter(explode('|', $row['interface_fqsen_list'])));
     $trait_fqsen_list = array_map(function (string $fqsen_string) {
         return FullyQualifiedClassName::fromFullyQualifiedString($fqsen_string);
     }, array_filter(explode('|', $row['trait_fqsen_list'])));
     $clazz = new ClazzElement(unserialize(base64_decode($row['context'])), $row['name'], UnionType::fromFullyQualifiedString($row['type']), (int) $row['flags'], $parent_fqsen, $interface_fqsen_list, $trait_fqsen_list);
     return new Clazz($clazz);
 }