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[tt-rss.git] / lib / htmlpurifier / library / HTMLPurifier / AttrTransform / Background.php
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1<?php
2
3/**
4 * Pre-transform that changes proprietary background attribute to CSS.
5 */
6class HTMLPurifier_AttrTransform_Background extends HTMLPurifier_AttrTransform {
7
8 public function transform($attr, $config, $context) {
9
10 if (!isset($attr['background'])) return $attr;
11
12 $background = $this->confiscateAttr($attr, 'background');
13 // some validation should happen here
14
15 $this->prependCSS($attr, "background-image:url($background);");
16
17 return $attr;
18
19 }
20
21}
22
23// vim: et sw=4 sts=4