noptin_subscriber_meta_exists( int $subscriber_id, string $meta_key )

Determines if a meta field with the given key exists for the given noptin subscriber ID.

Parameters Parameters


(int) (Required) ID of the subscriber metadata is for.


(string) (Required) Metadata key.

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Source Source

File: includes/subscriber.php

function noptin_subscriber_meta_exists( $subscriber_id, $meta_key ) {
	return metadata_exists( 'noptin_subscriber', $subscriber_id, $meta_key );

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