Phase 5: Content and SEO - Yoast SEO, Schema.org markup, Open Graph, favicon support, XML sitemap

wp-content/plugins/wordpress-seo/src/helpers/schema/article-helper.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Yoast\WP\SEO\Helpers\Schema;
+
+/**
+ * Class Article_Helper.
+ */
+class Article_Helper {
+
+	/**
+	 * Determines whether a given post type should have Article schema.
+	 *
+	 * @param string|null $post_type Post type to check.
+	 *
+	 * @return bool True if it has Article schema, false if not.
+	 */
+	public function is_article_post_type( $post_type = null ) {
+		if ( $post_type === null ) {
+			$post_type = \get_post_type();
+		}
+
+		return $this->is_author_supported( $post_type );
+	}
+
+	/**
+	 * Checks whether author is supported for the passed object sub type.
+	 *
+	 * @param string $object_sub_type The sub type of the object to check author support for.
+	 *
+	 * @return bool True if author is supported for the passed object sub type.
+	 */
+	public function is_author_supported( $object_sub_type ) {
+		return \post_type_supports( $object_sub_type, 'author' );
+	}
+}