<?PHP

/**
 * Function for sanitizing contents for prospective XML contents.
 *
 * @param string $transform Input string.
 *
 * @return string
 */
function transform(string $transform):string {
    $transform = str_replace(chr(14), "", $transform);
    $transform = str_replace('&quot;', '"', $transform);
    $transform = str_replace('&', '&amp;', $transform);
    $transform = str_replace('"', '&quot;', $transform);
    $transform = str_replace('</br>', ' ', $transform);
    $transform = str_replace('<br />', ' ', $transform);
    $transform = str_replace('&rsquo;', '\'', $transform);
    $transform = str_replace(chr(11), ' ', $transform);

    $transform = str_replace('<', '&lt;', $transform);
    $transform = str_replace('>', '&gt;', $transform);
    $transform = str_replace('´', '&apos;', $transform);
    $transform = str_replace('&sbquo', '\'', $transform);
    $transform = str_replace('&lsquo', '\'', $transform);
    $transform = str_replace(chr(96), '\'', $transform);
    $transform = str_replace(chr(130), '\'', $transform);
    $transform = str_replace(chr(145), '\'', $transform);
    $transform = str_replace(chr(146), '\'', $transform);
    return $transform;

}

/**
 * Function for sanitizing contents for prospective XML contents.
 *
 * @param string $tagify Input string.
 *
 * @return string
 */
function tagify(string $tagify):string {
    $tagify = str_replace(' ', '_', $tagify);
    $tagify = str_replace('/', '_', $tagify);
    $tagify = str_replace(',', '_', $tagify);
    $tagify = str_replace('__', '_', $tagify);
    $tagify = str_replace('Ä', 'ae', $tagify);
    $tagify = str_replace('ä', 'ae', $tagify);
    $tagify = str_replace('Ö', 'oe', $tagify);
    $tagify = str_replace('ö', 'oe', $tagify);
    $tagify = str_replace('Ü', 'ue', $tagify);
    $tagify = str_replace('ü', 'ue', $tagify);
    $tagify = str_replace('ß', 'ss', $tagify);
    $tagify = str_replace(chr(41), '', $tagify);
    $tagify = str_replace(chr(40), '', $tagify);
    return $tagify;

}