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Vendor netwerkstatt
Package silverstripe-opengraph-extension
Short Description Extends tractorcow/silverstripe-opengraph with better image handling (FocusPoint), Twitter cards, and Schema.org support.
License BSD-3-Clause

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Example code of netwerkstatt/silverstripe-opengraph-extension

Informations about the package silverstripe-opengraph-extension

Silverstripe OpenGraph Extension

Extends tractorcow/silverstripe-opengraph with advanced image handling, CMS previews, Elemental support, and Schema.org integration.

Features

Advanced Image Handling: Automatically resizes images to 1200x630px using FocusFill() (if jonom/silverstripe-focuspoint is installed) or Fill().
Watermark Support: Automatically applies watermarks if configured in SiteConfig (requires netwerkstatt/silverstripe-image-toolkit).
SiteConfig Integration: Adds global fields for a default Open Graph image and an optional watermark logo.
CMS Preview: Adds a real-time Social Media preview in the "OpenGraph" tab of the CMS, including warnings for missing content.
Elemental Support: Automatically generates og:description from Elemental blocks if the main content field is empty.
Twitter Cards: Automatically generates twitter:card (summary_large_image).
OG Dimensions: Includes og:image:width and og:image:height for faster preview generation on first share.
Schema.org (JSON-LD): Provides a framework for JSON-LD, with optional spatie/schema-org support.

Extensions

OpenGraphImageExtension

Adds a OGImageCustom field to pages for specific Open Graph images. It also provides the getOGImage() hook for the builder and the CMS preview.

Target: Page

SiteConfigOpenGraphExtension

Adds global settings for a default Open Graph image and a watermark logo (requires silverstripe-image-toolkit).

Target: SilverStripe\SiteConfig\SiteConfig

ElementalOpenGraphExtension

Provides an optimized getOGDescription() for pages using Silverstripe Elemental. It uses getElementsForSearch() to aggregate content from blocks.

Target: Classes with ElementalPageExtension

OpenGraphBuilderExtension

Extends the OpenGraphBuilder to include Twitter card types and image dimensions.

Target: TractorCow\OpenGraph\ObjectBuilders\OpenGraphBuilder

SchemaExtension

Injects JSON-LD into the page head.

Target: Page and ContentController

SiteTreeSchemaGraphExtension

Provides a default WebPage node for all SiteTree records using spatie/schema-org.

Target: SilverStripe\CMS\Model\SiteTree

Installation

With composer:

Configuration

The module is pre-configured to apply to all Page objects. You can customise the image dimensions in YAML:

Elemental Integration

If you want to explicitly enable Elemental support for a specific page type:

Schema.org Customization

The schema graph follows an extension-first provider/orchestrator pattern:

The module orchestrates graph creation in GraphSchemaBuilder.
Project code contributes nodes via dedicated extensions/providers.
No schema-specific methods are required in project base classes like Page or PageController.

Contributor hooks

updateSchemaGraphContributors(array &$contributors, SiteTree $page, SiteConfig $siteConfig)
updateSchemaGraphItems(array &$items, SiteTree $page, SiteConfig $siteConfig)
updateSchemaGraphNodes(array &$nodes, SiteTree $page, SiteConfig $siteConfig)

Safe project examples

Example 1: Add a project-specific provider (e.g. on SiteConfig):

Example 2: Collect block items via a dedicated page extension:

Example 3: Let each block/model provide its own node:

All versions of silverstripe-opengraph-extension with dependencies

PHP Build Version

Package Version

Version 0.3.1 Release 11. May 2026
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Requires php Version ^8.1
silverstripe/framework Version ^5 || ^6
tractorcow/silverstripe-opengraph Version ^6
netwerkstatt/silverstripe-image-toolkit Version ^1
spatie/schema-org Version ^4.0

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