<?php require_once 'HTMLPurifier/ChildDef/Required.php'; /** * Definition that allows a set of elements, and allows no children. * @note This is a hack to reuse code from HTMLPurifier_ChildDef_Required, * really, one shouldn't inherit from the other. Only altered behavior * is to overload a returned false with an array. Thus, it will never * return false. */ class HTMLPurifier_ChildDef_Optional extends HTMLPurifier_ChildDef_Required { var $allow_empty = true; var $type = 'optional'; function validateChildren($tokens_of_children, $config, &$context) { $result = parent::validateChildren($tokens_of_children, $config, $context); if ($result === false) return array(); return $result; } } ?>