доп поле в категории товара - [VM2&3] Общие вопросы и ошибки

$desc = explode('<hr>', $this->category->category_description);

<div class="category_description">
<?php
//echo $this->category->category_description;
$desc = explode('<hr>', $this->category->category_description);
echo $desc[0];
?>
</div>

<div class="category_description">
<?php
echo $desc[1];
?>
</div>

if (!empty($desc[0])){
echo $desc[0]
}

if (!empty($desc[1])){
echo $desc[1]
}

<div class="category_description">
	<?php
	echo $this->category->category_description;
//	$desc = explode('<hr>', $this->category->category_description);
//    if (!empty($desc[0])){
//     echo $desc[0]
//          }
	?>
</div>
_____________________________________________________
<div class="category_description">
<?php
//if (!empty($desc[1])){
//echo $desc[1]
//}
?>
</div>

<div class="category_description">
  <?php
    if (!empty($this->category->category_description)) {
      $desc = explode('<hr>', $this->category->category_description);
      if (!empty($desc[0])){
        echo $desc[0];
      }
    }
  ?>
</div>

<div class="category_description">
<?php
if (!empty($desc[1])){
echo $desc[1]
}
?>
</div>

if (!empty($desc[1])){

if ( isset($desc[1]) && !empty($desc[1]) ){

<div class="category_description">
	<?php
	//echo $this->category->category_description;
  if (!empty($this->category->category_description)) {
      $desc = explode('|', $this->category->category_description);
      if (!empty($desc[2])){
        echo $desc[2];
      }
    }
	?>
</div>

<div class="category_description">
  <?php
    if (!empty($this->category->category_description)) {
      $desc = explode('|', $this->category->category_description);
      if (isset($desc[1]) && !empty($desc[1])){
        echo $desc[1];
      }
    }
  ?>
</div>