function strip_defined_tags($str, $tags, $stripContent = false) {
$content = '';
if (!is_array($tags)) {
$tags = (strpos($str, '>') !== false ? explode('>', str_replace('<', '', $tags)) : array($tags));
if(end($tags) == '') array_pop($tags);
}
foreach($tags as $tag) {
if ($stripContent) {
$content = '(.+|\s[^>]*>)|)';
$str = preg_replace('#|\s[^>]*>)'.$content.'#is', '', $str);
}
return $str;
}

آدرس: