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<?php /** * This variable parser uses PHP's internal code engine. Because it does * this, it can represent all inputs; however, it is dangerous and cannot * be used by users. */ class HTMLPurifier_VarParser_Native extends HTMLPurifier_VarParser { /** * @param mixed $var * @param int $type * @param bool $allow_null * @return null|string */ protected function parseImplementation($var, $type, $allow_null) { return $this->evalExpression($var); } /** * @param string $expr * @return mixed * @throws HTMLPurifier_VarParserException */ protected function evalExpression($expr) { $var = null; $result = eval("\$var = $expr;"); if ($result === false) { throw new HTMLPurifier_VarParserException("Fatal error in evaluated code"); } return $var; } } // vim: et sw=4 sts=4