WordPress at a glance
function is not described

get_post_meta_by_id() WP 2.1.0

Get post meta data by meta ID.

No Hooks.

Return

Object/true/false.

Usage

get_post_meta_by_id( $mid );
$mid(int) (required)

Code of get post meta by id: wp-admin/includes/post.php VER 5.1.1

<?php
function get_post_meta_by_id( $mid ) {
	return get_metadata_by_mid( 'post', $mid );
}