add_noptin_subscriber_meta( int $subscriber_id, string $meta_key, mixed $meta_value, mixed $unique = false )
Adds subscriber meta field for a subscriber.
Parameters Parameters
- $subscriber_id
(int) (Required) Subscriber ID.
- $meta_key
(string) (Required) The meta key to update.
- $meta_value
(mixed) (Required) Metadata value. Must be serializable if non-scalar.
- $unique
(mixed) (Optional) Whether the same key should not be added.
Default value: false
Return Return
(int|false) Meta ID on success, false on failure.
Source Source
File: includes/subscriber.php
function add_noptin_subscriber_meta( $subscriber_id, $meta_key, $meta_value, $unique = false ) {
return add_metadata( 'noptin_subscriber', $subscriber_id, $meta_key, $meta_value, $unique );
}
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Changelog Changelog
| Version | Description |
|---|---|
| 1.0.5 | Introduced. |