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https://github.com/ezyang/htmlpurifier.git
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23 lines
635 B
PHP
23 lines
635 B
PHP
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<?php
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/**
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* Implements special behavior for class attribute (normally NMTOKENS)
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*/
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class HTMLPurifier_AttrDef_HTML_Class extends HTMLPurifier_AttrDef_HTML_Nmtokens
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{
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protected function filter($tokens, $config, $context) {
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$allowed = $config->get('Attr.AllowedClasses');
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$forbidden = $config->get('Attr.ForbiddenClasses');
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$ret = array();
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foreach ($tokens as $token) {
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if (
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($allowed === null || isset($allowed[$token])) &&
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!isset($forbidden[$token])
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) {
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$ret[] = $token;
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}
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}
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return $ret;
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}
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}
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