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postmeta_form_keys › WordPress Filter Hooks
Since4.4.0
Deprecatedn/a
› apply_filters( 'postmeta_form_keys', null, $post )
Parameters: (2) |
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Defined at: |
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Codex: |
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