library/HTMLPurifier/AttrTransform/BgColor.php

   1 <?php
   2
   3 require_once 'HTMLPurifier/AttrTransform.php';
   4
   5 /**
   6  * Pre-transform that changes deprecated bgcolor attribute to CSS.
   7  */
   8 class HTMLPurifier_AttrTransform_BgColor
   9 extends HTMLPurifier_AttrTransform {
  10
  11     function transform($attr, $config, &$context) {
  12
  13         if (!isset($attr['bgcolor'])) return $attr;
  14
  15         $bgcolor = $this->confiscateAttr($attr, 'bgcolor');
  16         // some validation should happen here
  17
  18         $this->prependCSS($attr, "background-color:$bgcolor;");
  19
  20         return $attr;
  21
  22     }
  23
  24 }
  25