apply_filters( ‘comment_notification_headers’, string $message_headers, string $comment_id )

In this article

Filters the comment notification email headers.

Parameters

$message_headersstring
Headers for the comment notification email.
$comment_idstring
Comment ID as a numeric string.

Source

$message_headers = apply_filters( 'comment_notification_headers', $message_headers, $comment->comment_ID );

Changelog

VersionDescription
1.5.2Introduced.

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