WordPress at a glance
class is not described

WP_REST_Post_Meta_Fields{} WP 4.7.0

Core class used to manage meta values for posts via the REST API.

No Hooks.

Return

Nothing (null).

Usage

$WP_REST_Post_Meta_Fields = new WP_REST_Post_Meta_Fields();
// use class methods

Methods

  1. __construct( $post_type )
  2. get_meta_type()
  3. get_meta_subtype()
  4. get_rest_field_type()

Code of WP REST Post Meta Fields: wp-includes/rest-api/fields/class-wp-rest-post-meta-fields.php WP 5.2.2

<?php
class WP_REST_Post_Meta_Fields extends WP_REST_Meta_Fields {

	/**
	 * Post type to register fields for.
	 *
	 * @since 4.7.0
	 * @var string
	 */
	protected $post_type;

	/**
	 * Constructor.
	 *
	 * @since 4.7.0
	 *
	 * @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
	 *
	 * @return string The meta type.
	 */
	protected function get_meta_type() {
		return 'post';
	}

	/**
	 * Retrieves the object meta subtype.
	 *
	 * @since 4.9.8
	 *
	 * @return string Subtype for the meta type, or empty string if no specific subtype.
	 */
	protected function get_meta_subtype() {
		return $this->post_type;
	}

	/**
	 * Retrieves the type for register_rest_field().
	 *
	 * @since 4.7.0
	 *
	 * @see register_rest_field()
	 *
	 * @return string The REST field type.
	 */
	public function get_rest_field_type() {
		return $this->post_type;
	}
}