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23 lines
546 B
PHP
23 lines
546 B
PHP
<?php
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/**
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* Pre-transform that changes proprietary background attribute to CSS.
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*/
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class HTMLPurifier_AttrTransform_Background extends HTMLPurifier_AttrTransform {
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public function transform($attr, $config, $context) {
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if (!isset($attr['background'])) return $attr;
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$background = $this->confiscateAttr($attr, 'background');
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// some validation should happen here
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$this->prependCSS($attr, "background-image:url($background);");
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return $attr;
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}
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}
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