/usr/share/php/HTMLPurifier.func.php is in php-htmlpurifier 4.6.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | <?php
/**
 * @file
 * Defines a function wrapper for HTML Purifier for quick use.
 * @note ''HTMLPurifier()'' is NOT the same as ''new HTMLPurifier()''
 */
/**
 * Purify HTML.
 * @param string $html String HTML to purify
 * @param mixed $config Configuration to use, can be any value accepted by
 *        HTMLPurifier_Config::create()
 * @return string
 */
function HTMLPurifier($html, $config = null)
{
    static $purifier = false;
    if (!$purifier) {
        $purifier = new HTMLPurifier();
    }
    return $purifier->purify($html, $config);
}
// vim: et sw=4 sts=4
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