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vichan/inc/lib/htmlpurifier-4.5.0/library/HTMLPurifier/VarParser/Native.php

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2014-09-24 01:25:04 +02:00
<?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
{
protected function parseImplementation($var, $type, $allow_null) {
return $this->evalExpression($var);
}
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