<?php
/**
* Pre-transform that changes deprecated bgcolor attribute to CSS.
*/
class HTMLPurifier_AttrTransform_BgColor extends HTMLPurifier_AttrTransform
{
/**
* @param array $attr
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function transform($attr, $config, $context)
{
if (!isset($attr['bgcolor'])) {
return $attr;
}
$bgcolor = $this->confiscateAttr($attr, 'bgcolor');
// some validation should happen here
$this->prependCSS($attr, "background-color:$bgcolor;");
return $attr;
}
}
// vim: et sw=4 sts=4