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AttrTransform
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Lang.php
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<?php /** * Post-transform that copies lang's value to xml:lang (and vice-versa) * @note Theoretically speaking, this could be a pre-transform, but putting * post is more efficient. */ class HTMLPurifier_AttrTransform_Lang extends HTMLPurifier_AttrTransform { /** * @param array $attr * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return array */ public function transform($attr, $config, $context) { $lang = isset($attr['lang']) ? $attr['lang'] : false; $xml_lang = isset($attr['xml:lang']) ? $attr['xml:lang'] : false; if ($lang !== false && $xml_lang === false) { $attr['xml:lang'] = $lang; } elseif ($xml_lang !== false) { $attr['lang'] = $xml_lang; } return $attr; } } // vim: et sw=4 sts=4
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