$dom = new \DOMdocument();
$dom->loadHtml('<div style="display: none">
  <div class="goods_line 691433" data-type="goods_perfumery">
  <div class="w60 left align-center">
  691433</div>
  <div class="w300 left">
  <span class="goods_name">Туалетная вода Power Woman</span>
  </div>
  <div class="w150 left">2360.30 руб.</div>
  <div class="w150 left">
  <a class="button projectDetails" data-id="691433"  data-href="" href="javascript:void(0);">Посмотреть товар</a>
  </div>
  <div class="w150 right align-center">
  <a href="javascript:" data-id="691433" title="Добавить в корзину" class="tipsy_class bother_project"></a>
  </div>
  <div class="clear"></div><!-- /clear -->
  </div>
</div>
<div style="display: none">
  <div class="goods_line 691435" data-type="goods_perfumery">
  <div class="w60 left align-center">
  691435</div>
  <div class="w300 left">
  <span class="goods_name">Туалетная вода Be the Legend</span>
  </div>
  <div class="w150 left">3140 руб.</div>
  <div class="w150 left">
  <a class="button projectDetails" data-id="691435"  data-href="" href="javascript:void(0);">Посмотреть товар</a>
  </div>
  <div class="w150 right align-center">
  <a href="javascript:" data-id="691435" title="Добавить в корзину" class="tipsy_class bother_project"></a>
  </div>
  <div class="clear"></div><!-- /clear -->
  </div>
</div>
<div style="display: none">
  <div class="goods_line 30173" data-type="goods_perfumery">
  <div class="w60 left align-center">
  30173</div>
  <div class="w300 left">
  <span class="goods_name">Туалетная вода Eclat Homme</span>
  </div>
  <div class="w150 left">1999.90 руб.</div>
  <div class="w150 left">
  <a class="button projectDetails" data-id="30173"  data-href="" href="javascript:void(0);">Посмотреть товар</a>
  </div>
  <div class="w150 right align-center">
  <a href="javascript:" data-id="30173" title="Добавить в корзину" class="tipsy_class bother_project"></a>
  </div>
  <div class="clear"></div><!-- /clear -->
  </div>
</div>');
$xpath = new \DOMXpath($dom);
$divs = $xpath->query("//div[starts-with(@class, 'goods_line')]");
$prices = [];
foreach ($divs as $div) {
	$prices[$div->getAttribute('class')] = (float) $xpath->query("div[starts-with(@class, 'w150')]", $div)->item(0)->nodeValue;
}
arsort($prices, SORT_NUMERIC);
print_r(array_keys($prices));$arr = [
            8 => '',
            9 => '',
            10 => '',
            11 => '',
            12 => '12:30',
            13 => '',
            14 => '',
            15 => '',
            16 => '',
            17 => '',
            18 => '',
            19 => '',
            20 => '',
            21 => '',
            22 => '',
        ];
        $values = array_flip(array_filter($arr));
        $key = array_pop($values);
        $dt = \DateTime::createFromFormat('H:i', $arr[$key]);
        foreach ($arr as $k => $v) {
            if (empty($v)) {
                $v = clone $dt;
                if ($k < $key) {
                    $v->sub(new \DateInterval('PT' . (($key-$k) * 30) . 'M'));
                } else {
                    $v->add(new \DateInterval('PT' . (($k-$key) * 30) . 'M'));
                }
                $arr[$k] = $v->format('H:i');
            }
        }P.S. Так же возможна ситуация, что массив содержит два или три значения, и нужно заполнить ячейки между ними.
//если надо сперва сделать сортировку
usort($arr, function($a, $b) {
    return $a['sort'] === $b['sort'] ? 0 : ($a['sort'] < $b['sort'] ? -1 : 1);
});
$divisor  = 100;
$res = [];
foreach ($arr as $subArr) {
    $res[intdiv($subArr['sort'], $divisor)][] = $subArr;
}
//если php < 7, то меняем intdiv на floor и /class Object
{
    protected $di;
    public function __construct($di)
    {
        $this->di = $di;
    }
    public function __get(string $name)
    {
       if (property_exists($this->di, $name)) {
            return $this->di->$name;
        } else {
            throw new \Exception('бла бла');
        }
    }
    public function __call(string $name, array $arguments)
    {
        if (method_exists($this->di, $name)) {
            return $arguments ? $this->di->$name($arguments) : $this->di->$name();
        } else {
            throw new \Exception('бла бла');
        }
    }
}
class Name {
    public $x = 1;
    public function metod() {
        return 2;
    }
}
$object = new Object(new Name());
echo $object->x;
echo $object->metod();