Mine

<?	$eng       = "/\{\[while_menu\]\}(.*?)\{\[while_end_menu\]\}/";
	preg_match_all($eng,$content,$matches);

	$menu_before = $matches[1][0];
	$menu_now    = "";

	if (sizeof($paginas_edit) > 1) {
		while (list ($key, $value) = each ($paginas_edit)) {
			$temp_ = "";
			$temp_     = str_replace("{[caption_menu]}",$key,$menu_before);
			$menu_now .= str_replace("{[url_menu]}","../../index.php?page=".urlencode($key),$temp_);
		}
	} else {
			$menu_now = "";

	}

	$content = str_replace("{[while_menu]}".$matches[1][0]."{[while_end_menu]}",$menu_now,$content);	

?>