--- /dev/null
+<?php
+/**
+ * REST API: WP_REST_Post_Meta_Fields class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.7.0
+ */
+
+/**
+ * Core class used to manage meta values for posts via the REST API.
+ *
+ * @since 4.7.0
+ *
+ * @see WP_REST_Meta_Fields
+ */
+class WP_REST_Post_Meta_Fields extends WP_REST_Meta_Fields {
+
+ /**
+ * Post type to register fields for.
+ *
+ * @since 4.7.0
+ * @access protected
+ * @var string
+ */
+ protected $post_type;
+
+ /**
+ * Constructor.
+ *
+ * @since 4.7.0
+ * @access public
+ *
+ * @param string $post_type Post type to register fields for.
+ */
+ public function __construct( $post_type ) {
+ $this->post_type = $post_type;
+ }
+
+ /**
+ * Retrieves the object meta type.
+ *
+ * @since 4.7.0
+ * @access protected
+ *
+ * @return string The meta type.
+ */
+ protected function get_meta_type() {
+ return 'post';
+ }
+
+ /**
+ * Retrieves the type for register_rest_field().
+ *
+ * @since 4.7.0
+ * @access public
+ *
+ * @see register_rest_field()
+ *
+ * @return string The REST field type.
+ */
+ public function get_rest_field_type() {
+ return $this->post_type;
+ }
+}