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编辑当前文件:/home/qrafawbu/www/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform/Background.php
<?php /** * Pre-transform that changes proprietary background attribute to CSS. */ class HTMLPurifier_AttrTransform_Background 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['background'])) { return $attr; } $background = $this->confiscateAttr($attr, 'background'); // some validation should happen here $this->prependCSS($attr, "background-image:url($background);"); return $attr; } } // vim: et sw=4 sts=4