unregister_post_meta( string $post_type, string $meta_key )

Unregisters a meta key for posts.


Parameters

$post_type

(string) (Required) Post type the meta key is currently registered for. Pass an empty string if the meta key is registered across all existing post types.

$meta_key

(string) (Required) The meta key to unregister.


Return

(bool) True on success, false if the meta key was not previously registered.


Source

File: wp-includes/post.php

function unregister_post_meta( $post_type, $meta_key ) {
	return unregister_meta_key( 'post', $meta_key, $post_type );
}


Changelog

Changelog
Version Description
WP-4.9.8 Introduced.