File: /home/s/t/u/studionolh/www/wp-content/plugins/wordpress-seo/src/generators/schema/main-image.php
<?php
namespace Yoast\WP\SEO\Generators\Schema;
use Yoast\WP\SEO\Config\Schema_IDs;
/**
* Returns ImageObject schema data.
*/
class Main_Image extends Abstract_Schema_Piece {
/**
* Determines whether or not a piece should be added to the graph.
*
* @return bool
*/
public function is_needed() {
return true;
}
/**
* Adds a main image for the current URL to the schema if there is one.
*
* This can be either the featured image or the first image in the content of the page.
*
* @return false|array Image Schema.
*/
public function generate() {
$image_id = $this->context->canonical . Schema_IDs::PRIMARY_IMAGE_HASH;
// The featured image.
if ( $this->context->main_image_id ) {
$generated_schema = $this->helpers->schema->image->generate_from_attachment_id( $image_id, $this->context->main_image_id );
$this->context->main_image_url = $generated_schema['url'];
return $generated_schema;
}
// The first image in the content.
if ( $this->context->main_image_url ) {
return $this->helpers->schema->image->generate_from_url( $image_id, $this->context->main_image_url );
}
return false;
}
}