Issues on Returning a Product where `text` Does Not Exist

As an example scanning this url: https://www.bhphotovideo.com/c/product/1365551-REG/synology_ds418play_diskstation_4_bay.html with the Product API does not return the text field. Resulting in errors in attempting to process the response.

{
  "request": {
    "options": [
      "_=1513203180811",
      "callback=jQuery111107118896645815873_1513203180810",
      "format=jsonp"
    ],
    "pageUrl": "https://www.bhphotovideo.com/c/product/1365551-REG/synology_ds418play_diskstation_4_bay.html",
    "api": "product",
    "version": 3
  },
  "objects": [
    {
      "images": [
        {
          "xpath": "/html[1]/body[1]/div[1]/div[2]/div[2]/div[1]/div[3]/div[1]/div[1]/a[1]/img[1]",
          "naturalHeight": 500,
          "width": 392,
          "diffbotUri": "image|3|483071054",
          "title": "Synology DS418play Diskstation 4 Bay Nas",
          "url": "https://static.bhphoto.com/images/images500x500/synology_ds418play_diskstation_4_bay_1507130659000_1365551.jpg",
          "naturalWidth": 500,
          "primary": true,
          "height": 392
        }
      ],
      "offerPrice": "$429.99",
      "productId": "DS418PLAY",
      "diffbotUri": "product|3|-1255355555",
      "mpn": "DS418PLAY",
      "multipleProducts": true,
      "availability": true,
      "type": "product",
      "title": "Synology DS418play Diskstation 4 Bay Nas",
      "offerPriceDetails": {
        "symbol": "$",
        "amount": 429.99,
        "text": "$429.99"
      },
      "breadcrumb": [
        {
          "link": "https://www.bhphotovideo.com",
          "name": "Home"
        },
        {
          "link": "https://www.bhphotovideo.com/c/browse/Computers/ci/9581/N/4294542559",
          "name": "Computers"
        },
        {
          "link": "https://www.bhphotovideo.com/c/browse/Drives-Storage/ci/13216/N/4294542392",
          "name": "Drives & Storage"
        },
        {
          "link": "https://www.bhphotovideo.com/c/browse/Network-Attached-Storage-NAS-/ci/26927/N/3832759815",
          "name": "Network Attached Storage (NAS)"
        },
        {
          "link": "https://www.bhphotovideo.com/c/buy/NAS-Enclosures/ci/26903/N/3832759809",
          "name": "NAS Enclosures"
        },
        {
          "link": "https://www.bhphotovideo.com/c/product/1365551-REG/synology_ds418play_diskstation_4_bay.html",
          "name": "Synology DiskStation DS418play"
        },
        {
          "link": "https://www.bhphotovideo.com/c/product/1365551-REG/tzftqtxwebbdfaedfe.html",
          "name": "wyfeweadbyrxbefatwsewxtwwsdybwsyef"
        }
      ],
      "humanLanguage": "en",
      "pageUrl": "https://www.bhphotovideo.com/c/product/1365551-REG/synology_ds418play_diskstation_4_bay.html",
      "category": "Computers",
      "sku": "SYDS418PLAY",
      "brand": "Synology"
    }
  ],
  "url": "https://www.bhphotovideo.com/c/product/1365551-REG/synology_ds418play_diskstation_4_bay.html"
}

Swader / diffbot-php-client

Issues on Returning a Product where `text` Does Not Exist #61