friendica/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Optional.php
Hypolite Petovan 799e60aa62 Replace existing autoloader with Composer-supplied
- Move Friendica namespace to `src`
- Move required `ezyang/htmlpurifier` to vendor
- Remove existing static autoloader
- Change boot.php reference to the autoloader
2017-03-31 23:02:38 -04:00

45 lines
1.2 KiB
PHP

<?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
{
/**
* @type bool
*/
public $allow_empty = true;
/**
* @type string
*/
public $type = 'optional';
/**
* @param array $children
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function validateChildren($children, $config, $context)
{
$result = parent::validateChildren($children, $config, $context);
// we assume that $children is not modified
if ($result === false) {
if (empty($children)) {
return true;
} elseif ($this->whitespace) {
return $children;
} else {
return array();
}
}
return $result;
}
}
// vim: et sw=4 sts=4