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 = $attr['bgcolor'];
  16         unset($attr['bgcolor']);
  17         // some validation should happen here
  18
  19         $attr['style'] = isset($attr['style']) ? $attr['style'] : '';
  20         $attr['style'] = "background-color:$bgcolor;" . $attr['style'];
  21
  22         return $attr;
  23
  24     }
  25
  26 }
  27
  28 ?>