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28 lines
689 B
PHP
28 lines
689 B
PHP
<?php
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/**
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* Post-transform that copies lang's value to xml:lang (and vice-versa)
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* @note Theoretically speaking, this could be a pre-transform, but putting
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* post is more efficient.
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*/
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class HTMLPurifier_AttrTransform_Lang extends HTMLPurifier_AttrTransform
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{
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public function transform($attr, $config, $context) {
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$lang = isset($attr['lang']) ? $attr['lang'] : false;
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$xml_lang = isset($attr['xml:lang']) ? $attr['xml:lang'] : false;
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if ($lang !== false && $xml_lang === false) {
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$attr['xml:lang'] = $lang;
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} elseif ($xml_lang !== false) {
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$attr['lang'] = $xml_lang;
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}
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return $attr;
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}
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}
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