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31 lines
856 B
31 lines
856 B
<?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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/** |
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* @param array $attr |
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* @param HTMLPurifier_Config $config |
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* @param HTMLPurifier_Context $context |
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* @return array |
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*/ |
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public function transform($attr, $config, $context) |
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{ |
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$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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// vim: et sw=4 sts=4
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