OgImage.php in Metatag 8
File
metatag_open_graph/src/Plugin/metatag/Tag/OgImage.phpView source
<?php
namespace Drupal\metatag_open_graph\Plugin\metatag\Tag;
use Drupal\metatag\Plugin\metatag\Tag\MetaPropertyBase;
/**
* Provides a plugin for the 'og:image' meta tag.
*
* @MetatagTag(
* id = "og_image",
* label = @Translation("Image"),
* description = @Translation("The URL of an image which should represent the content. The image must be at least 200 x 200 pixels in size; 600 x 316 pixels is a recommended minimum size, and for best results use an image least 1200 x 630 pixels in size. Supports PNG, JPEG and GIF formats. Should not be used if og:image:url is used. Note: if multiple images are added many services (e.g. Facebook) will default to the largest image, not specifically the first one."),
* name = "og:image",
* group = "open_graph",
* weight = 9,
* type = "image",
* secure = FALSE,
* multiple = TRUE,
* absolute_url = TRUE
* )
*/
class OgImage extends MetaPropertyBase {
}