Функция закрытия незакрытых тегов в HTML

Код - пример #1

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/** * close all open xhtml tags at the end of the string * * @param string $html * @return string * @author Milian Wolff <mail@milianw.de> */ function closetags($html) { #put all opened tags into an array preg_match_all('#<([a-z]+)(?: .*)?(?<![/|/ ])>#iU', $html, $result); $openedtags = $result[1]; #put all closed tags into an array preg_match_all('#</([a-z]+)>#iU', $html, $result); $closedtags = $result[1]; $len_opened = count($openedtags); # all tags are closed if (count($closedtags) == $len_opened) { return $html; } $openedtags = array_reverse($openedtags); # close tags for ($i=0; $i < $len_opened; $i++) { if (!in_array($openedtags[$i], $closedtags)){ $html .= '</'.$openedtags[$i].'>'; } else { unset($closedtags[array_search($openedtags[$i], $closedtags)]); } } return $html; }