apply_filters( 'ep_post_pre_meta_keys_db', $meta_keys ) → {null|array}
Short-circuits the process of getting distinct meta keys from the database.
Returning a non-null value will effectively short-circuit the function.
Parameters:
| Name | Type | Description |
|---|---|---|
$meta_keys |
null | Distinct meta keys array |
- Since:
- 4.4.0
- Source:
Returns:
Distinct meta keys array or null to keep default behavior
- Type
- null | array