register_post_meta

函数
register_post_meta ( $post_type, $meta_key, $args )
参数
  • (string) $post_type Post type to register a meta key for. Pass an empty string to register the meta key across all existing post types.
    Required:
  • (string) $meta_key The meta key to register.
    Required:
  • (array) $args Data used to describe the meta key when registered. See {@see} for a list of supported arguments.
    Required:
返回值
  • (bool) True if the meta key was successfully registered, false if not.
定义位置
相关方法
unregister_post_metaregister_metaregister_post_statusregister_post_typeregister_term_meta
引入
4.9.8
弃用
-

register_post_meta: 这个函数允许开发者为WordPress文章注册自定义元数据。注册的元数据可以用来存储关于一个文章的额外信息,如评级、标签和其他自定义字段。

为文章注册一个元密钥。

function register_post_meta( $post_type, $meta_key, array $args ) {
	$args['object_subtype'] = $post_type;

	return register_meta( 'post', $meta_key, $args );
}

常见问题

FAQs
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