Get product stock quantity in magento

get_product_stock.php

<?php

$products = Mage::getModel('catalog/product')
     ->getCollection()
     //->addAttributeToSelect('*')
     ->addAttributeToSelect(array('name', 'thumbnail', 'weight' ,'price','description'))
     ->joinField('qty',
                 'cataloginventory/stock_item',
                 'qty',
                 'product_id=entity_id',
                 '{{table}}.stock_id=1',
                 'left');


foreach ($products as $product) {
  $p['products'][] = array(
        'id'        => $product->getId(),
        'sku'       => $product->getSku(),
        'name'      => $product->getName(),
    'description'   => $product->getDescription(),
      'weight'      => $product->getWeight(),
    'created at'    => $product->getCreatedAt(),
        'pirce'     => Mage::helper('core')->currency($product->getPrice(), true, false), //." ".$currencyCode,

     //get qty
     'qty'          => $product->getQty(),
     );
 }