Admin Control Panel v2.0

✎ Editing: Optional.php ← Back

<?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

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