get_noptin_subscriber_opened_campaigns( int $subscriber_id )

Retrieves all the campaigns a given subscriber has opened

Parameters Parameters


(int) (Required) Subscriber ID.

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Return Return

(int[]) Array of opened campaigns.

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Source Source

File: includes/subscriber.php

function get_noptin_subscriber_opened_campaigns( $subscriber_id ) {

	$opened_campaigns = get_noptin_subscriber_meta( $subscriber_id, '_opened_campaigns', true );
	if ( empty( $opened_campaigns ) ) {
		$opened_campaigns = array();
	return array_map( 'intval', noptin_parse_list( $opened_campaigns ) );


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