ButterCMS PHP API Wrapper

This wrapper enables PHP developers to quickly and easily get up and running with ButterCMS. It is based of off the API documentation.

Requirements

PHP 5.3.0 and later.

Composer

You can install the bindings via Composer. Run the following command:

composer require buttercms/buttercms-php

To use the bindings, use Composer's autoload:

require_once('vendor/autoload.php');

Manual Installation

If you do not wish to use Composer, you can download the latest release. Then, to use the bindings, include the src/ButterCMS.php file.

require_once('/path/to/buttercms-php/src/ButterCMS.php');

Authentication

By default the ButterCMS client expects a valid authentication token for all READ operations. For instructions on how to obtain a valid READ authentication token see the API documentation.

Optionally, the ButterCMS client additionally accepts a valid authentication token for all WRITE operations. For instructions on how to obtain a valid WRITE authentication token see the API documentation.

use ButterCMS\ButterCMS;

$butterCms = new ButterCMS(
    '<auth_token>',
    '<write_auth_token>'    // Optional
);

Pages

For a list of params see the API documentation

use ButterCMS\ButterCMS;

$butterCms = new ButterCMS('<auth_token>', '<write_auth_token>');

// Create a Page
$writeApiStatus = $butterCms->createPage($params);

// Fetch a Page
$page = $butterCms->fetchPage('about', 'welcome-to-the-site');

// Update a Page
$pageData = json_decode(json_encode($page), true);
$pageData['title'] = 'New Page Title';
$writeApiStatus = $butterCms->updatePage('welcome-to-the-site', $pageData);

// These are equivalent
echo $page->getFields()['some-field'];
echo $page->getField('some-field');

$pagesResponse = $butterCms->fetchPages('news', ['breaking-news' => true]);
var_dump($pagesResponse->getMeta()['count']);
foreach ($pagesResponse->getPages() as $page) {
    echo $page->getSlug();
}
// Error Handling
try {
    $butterCms->fetchPage('about', 'non-existent-page');
} catch (GuzzleHttp\Exception\BadResponseException $e) {
    // Happens for any non-200 response from the API
    var_dump($e->getMessage());
} catch (\UnexpectedValueException $e) {
    // Happens if there is an issue parsing the JSON response
    var_dump($e->getMessage());
}

Collections

For a list of params and functionality see the API documentation

use ButterCMS\ButterCMS;

$butterCms = new ButterCMS('<auth_token>', '<write_auth_token>');

$writeApiStatus = $butterCms->createCollectionItem('collection_key', [
    'status' => 'published',
    'fields' => [
        [
          'field1_key': 'Field value',
          'field2_key': 'Field value',
        ]
    ]
]);

// Get list of specific collections
$collectionsResponse = $butterCms->fetchCollections(['collection_key'], ['locale' => 'en']);

// Get a collection from the list
$collection = $collectionsResponse->getCollection('collection_key');

// Get collection items
$items = $collection->getItems();

// Update a specific item
$item = $items[0];
$itemData = json_decode(json_encode($item), true);
$itemData['fields']['field1_key'] = 'New field value';
$writeApiStatus = $butterCms->updateCollectionItem($collection->getKey(), $item->getId(), $itemData);

// Delete a specific item
$deleteSuccess = $butterCms->deleteCollectionItem($collection->getKey(), $item->getId());

// Legacy - deprecated
$contentFields = $butterCms->fetchContentFields(['collection_key'], ['locale' => 'en']);

Blog Engine

For a list of params see the API documentation

use ButterCMS\ButterCMS;

$butterCms = new ButterCMS('<auth_token>', '<write_auth_token>');

// Posts
$result = $butterCms->fetchPosts(['page' => 1]);

$meta = $result->getMeta(); // Meta information like pagination
print_r($meta);

$posts = $result->getPosts(); // Get posts array off of result

$post = $posts[0]; // Get the first post
echo $post->getTitle(); // Access attributes using getXxxx() format.
echo $post->getSlug();

$author = $post->getAuthor(); // Access nested objects: Author, Tags, Categories like so
echo $author->getFirstName();
echo $author->getLastName();

// Loop through posts
foreach ($posts as $post) {
    echo $post->getTitle();
}

// Create a Post
$writeApiStatus = $butterCms->createPost($params);

// Query for one post
$response = $butterCms->fetchPost('post-slug');
$post = $response->getPost();
echo $post->getTitle();

// Update a Post
$postData = json_decode(json_encode($post), true);
$postData['title'] = 'New Post Title';
$writeApiStatus = $butterCms->updatePost('post-slug', $postData);

// Authors
$butterCms->fetchAuthor('author-slug');
$butterCms->fetchAuthors(['include' => 'recent_posts']);

// Categories
$butterCms->fetchCategory('category-slug');
$butterCms->fetchCategories(['include' => 'recent_posts']);

// Tags
$butterCms->fetchTag('tag-slug');
$butterCms->fetchTags();

// Feeds - returns a SimpleXMLElement object
$feed = $butterCms->fetchFeed('rss');

// Search
$butterCms->searchPosts('query', ['page' => 1]);

Other

View PHP Blog engine and Full CMS for other examples of using ButterCMS with PHP.

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