apply_filters( 'mcs_check_key', $return, $key ) → {int|false}
Filter payment key response. Can add checks against other posted data, e.g. email, etc.
Parameters:
| Name | Type | Description |
|---|---|---|
$return |
int | false | Number of events available or false. |
$key |
string | Key to check. |
Returns:
- Type
- int | false