joomla-framework / form

			// Use the first correct match in the given group.

			$groupNames = explode('.', $group);

			foreach ($fields as &$field)

			{

				// Get the group names as strings for ancestor fields elements.

				$attrs = $field->xpath('ancestor::fields[@name]/@name');

				$names = array_map('strval', $attrs ? $attrs : array());

				// If the field is in the exact group use it and break out of the loop.

				if ($names == (array) $groupNames)

				{

					$element = &$field;

					break;

				}

			}

		}

		else

		{

					{

						$groupNames = explode('.', $group);

						foreach ($tmp as $field)

						{

							// Get the names of the groups that the field is in.

							$attrs = $field->xpath('ancestor::fields[@name]/@name');

							$names = array_map('strval', $attrs ? $attrs : array());

							// If the field is in the specific group then add it to the return list.

							if ($names == (array) $groupNames)

							{

								$fields = array_merge($fields, array($field));

							}

						}

					}

				}

			}

					$children = $element->xpath('descendant::fields[@name="' . (string) $group[$i] . '"]');

					// For the found fields elements validate that they are in the correct groups.

					foreach ($children as $fields)

					{

						// Get the group names as strings for ancestor fields elements.

						$attrs = $fields->xpath('ancestor-or-self::fields[@name]/@name');

						$names = array_map('strval', $attrs ? $attrs : array());

						// If the group names for the fields element match the valid names at this

						// level add the fields element.

						if ($validNames == $names)

						{

							$tmp[] = $fields;

						}

					}

				}

			}