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The Document Object

Here we will discuss the document object for Prismic when using the PHP development kit.

Before Reading

This article assumes that you have queried your API and saved the document object in a variable named $document.

An example response

Let's start by taking a look at the Document Object returned when querying the API. Here is a simple example of a document that contains a couple of fields.

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  • php (sdk v3 or earlier)
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{
  "id": "WKxlPCUEEIZ10AHU",
  "uid": "example-page",
  "type": "page",
  "href": "https://your-repo-name.prismic.io/api/v2/documents/search...",
  "tags": [],
  "first_publication_date": "2017-01-13T11:45:21.000Z",
  "last_publication_date": "2017-02-21T16:05:19.000Z",
  "slugs": [
    "example-page"
  ],
  "linked_documents": [],
  "lang": "en-us",
  "alternate_languages": [
  {
    "id": "WZcAEyoAACcA0LHi",
    "uid": "example-page-french",
    "type": "page",
    "lang": "fr-fr"
  }
  ],
  "data": {
    "title": [
    {
      "type": "heading1",
      "text": "Example Page",
      "spans": []
    }
    ],
    "date": "2017-01-13"
  }
}
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Object(
  [results] => Array(
    [0] => Object(
      [id] => WKxlPCUAAIZ10EHU,
      [uid] => example-page,
      [type] => page,
      [href] => https://your-repo-name.prismic.io/api/documents/search?ref=WKxlPyUEEAdz...,
      [tags] => Array(),
      [slugs] => Array(
        [0] => example-page
      ),
      [data] => Object(
        [id] => WKxlPCUAAIZ10EHU,
        [uid] => example-page,
        [type] => page,
        [href] => https://your-repo-name.prismic.io/api/documents/search?ref=WKxlPyUEEAdz...,
        [tags] => Array(),
        [first_publication_date] => 2017-01-13T11:45:21+0000,
        [last_publication_date] => 2017-02-21T16:05:19+0000,
        [slugs] => Array(
          [0] => example-page
        ),
        [linked_documents] => Array(),
        [lang] => en-us,
        [alternate_languages] => Array(
          [0] => Object(
            [id] => WZcAEyoAACcA0LHi,
            [uid] => example-page-french,
            [type] => page,
            [lang] => fr-fr,
          ),
        ),
        [data] => Object(
          [page] => Object(
            [title] => Object(
              [type] => StructuredText,
              [value] => Array(
                [0] => Object(
                  [type] => heading1,
                  [text] => Example Page,
                  [spans] => Array(),
                ),
              ),
            ),
            [date] => Object(
              [type] => Date,
              [value] => 2017-01-13,
            ),
          ),
        ),
      ),
      [fragments] => Array(
        [page.title] => Object(
          [blocks] => Array(
            [0] => Object(
              [level] => 1,
              [text] => Example Page,
              [spans] => Array(),
              [label] => ,
            ),
          ),
        ),
        [page.date] => Object(
          [value] => 2017-01-13,
        ),
      ),
    ),
  ),
)

Accessing Document Fields

Here is how to access each document field.

ID

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$document->id
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$document->getId()


UID

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$document->uid
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$document->getUid()


Type

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$document->type
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$document->getType()


API Url

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$document->href
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$document->getHref()


Tags

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$document->tags
// returns an array
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$document->getTags()
// returns an array


First Publication Date

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$document->first_publication_date
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$document->getFirstPublicationDate()->format('Y-m-d')
// Outputs as: "2018-02-21"


Last Publication Date

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$document->last_publication_date
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$document->getLastPublicationDate()->format('Y-m-d')
// Outputs as: "2018-02-21"


Language

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$document->lang
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$document->getLang()


Alternate Language Versions

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$document->alternate_languages
// returns an array
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$document->getAlternateLanguages()
// returns an array

You can read more about this in the Multi-language Templating page.


Document Content

To retrieve the content fields from the document you must specify the API ID of the field. Here is an example that retrieves a Date field's content from the document. Here the Date field has the API ID of date.

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$document->data->date
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// Assuming the document is of the type 'page'
$document->getDate('page.date')->asText()

Refer to the specific templating documentation for each field to learn how to add content fields to your pages.

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