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postmeta_form_keys › WordPress过滤钩子

Since4.4.0
已弃用n/a
› apply_filters( 'postmeta_form_keys', null, $post )
参数: (2)
  • (array|null) $keys Pre-defined meta keys to be used in place of a postmeta query. Default null.
    Required: Yes
  • (WP_Post) $post The current post object.
    Required: Yes
定义在:
文档:

Filters values for the meta key dropdown in the Custom Fields meta box.

Returning a non-null value will effectively short-circuit and avoid a potentially expensive query against postmeta.



Related Functions: meta_form, get_meta_keys, delete_post_meta_by_key, _post_format_link, _post_format_request, get_post_custom_keys


Related Hooks: postmeta_form_limit, post_edit_form_tag, comment_form_fields, comment_form_defaults, comment_form_after

源码 

$keys = apply_filters( 'postmeta_form_keys', null, $post );