Серия 11: Создание структуры сайта, работа с типами меню

<div class="left_catalog_menu">
 <?
 $TOP_DEPTH = $arResult["SECTION"]["DEPTH_LEVEL"];
 $CURRENT_DEPTH = $TOP_DEPTH;

 foreach ($arResult["SECTIONS"] as $arSection):
 if ($CURRENT_DEPTH < $arSection["DEPTH_LEVEL"])
 echo "\n", str_repeat("\t", $arSection["DEPTH_LEVEL"] - $TOP_DEPTH), "<ul class=\"asc-menu\">";
 elseif ($CURRENT_DEPTH == $arSection["DEPTH_LEVEL"])
 echo "</li>";
 else {
 while ($CURRENT_DEPTH > $arSection["DEPTH_LEVEL"]) {
 echo "</li>";
 echo "\n", str_repeat("\t", $CURRENT_DEPTH - $TOP_DEPTH), "</ul>", "\n", str_repeat("\t", $CURRENT_DEPTH - $TOP_DEPTH - 1);
 $CURRENT_DEPTH--;
 }
 echo "\n", str_repeat("\t", $CURRENT_DEPTH - $TOP_DEPTH), "</li>";
 }

 echo "\n", str_repeat("\t", $arSection["DEPTH_LEVEL"] - $TOP_DEPTH);



 ?>

 <?
 if ($arSection["DEPTH_LEVEL"] == 2) { ?>
 <li class="level_1">


 <a href="<?= $arSection["SECTION_PAGE_URL"] ?>">
 <?if (strlen($arSection["PICTURE"]["SRC"])>0):?>
 <img src="<?=$arSection["PICTURE"]["SRC"]?>" width="30px"/>
 <?else:?>

 <?endif?>
 <strong><?= $arSection["NAME"] ?></strong>
 </a>
 <?
 }else{
 ?>
 <li class="level_2">

 <a href="<?= $arSection["SECTION_PAGE_URL"] ?>">
 <?= $arSection["NAME"] ?>
 </a>

 <?
 }
 $CURRENT_DEPTH = $arSection["DEPTH_LEVEL"];
 endforeach;

 while ($CURRENT_DEPTH > $TOP_DEPTH) {
 echo "</li>";
 echo "\n", str_repeat("\t", $CURRENT_DEPTH - $TOP_DEPTH), "</ul>", "\n", str_repeat("\t", $CURRENT_DEPTH - $TOP_DEPTH - 1);
 $CURRENT_DEPTH--;
 }
 ?>


</div>