magento 1 9 get all product

1//to overwrite limit but you need first to increase your memory limit
2
3 $collection = Mage::getModel('catalog/product')->getCollection()
4->addAttributeToSelect('*') // select all attributes
5->setPageSize(5000) // limit number of results returned
6->setCurPage(1); // set the offset (useful for pagination)
7
8// we iterate through the list of products to get attribute values
9foreach ($collection as $product) {
10  echo $product->getName(); //get name
11  echo (float) $product->getPrice(); //get price as cast to float
12  echo $product->getDescription(); //get description
13  echo $product->getShortDescription(); //get short description
14  echo $product->getTypeId(); //get product type
15  echo $product->getStatus(); //get product status
16
17  // getCategoryIds(); returns an array of category IDs associated with the product
18  foreach ($product->getCategoryIds() as $category_id) {
19      $category = Mage::getModel('catalog/category')->load($category_id);
20      echo $category->getName();
21      echo $category->getParentCategory()->getName(); // get parent of category
22  }
23  //gets the image url of the product
24  echo Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA).
25      'catalog/product'.$product->getImage();
26  echo $product->getSpecialPrice();
27  echo $product->getProductUrl();  //gets the product url
28  echo '<br />';
29}
30