View file File name : article-author-presenter.php Content :<?php namespace Yoast\WP\SEO\Presenters\Open_Graph; use Yoast\WP\SEO\Presentations\Indexable_Presentation; use Yoast\WP\SEO\Presenters\Abstract_Indexable_Tag_Presenter; /** * Presenter class for the Open Graph article author. */ class Article_Author_Presenter extends Abstract_Indexable_Tag_Presenter { /** * The tag key name. * * @var string */ protected $key = 'article:author'; /** * The tag format including placeholders. * * @var string */ protected $tag_format = self::META_PROPERTY_CONTENT; /** * Run the article author's Facebook URL through the `wpseo_opengraph_author_facebook` filter. * * @return string The filtered article author's Facebook URL. */ public function get() { /** * Filter: 'wpseo_opengraph_author_facebook' - Allow developers to filter the article author's Facebook URL. * * @param bool|string $article_author The article author's Facebook URL, return false to disable. * @param Indexable_Presentation $presentation The presentation of an indexable. */ return \trim( \apply_filters( 'wpseo_opengraph_author_facebook', $this->presentation->open_graph_article_author, $this->presentation ) ); } }