Source View: comment_notification_headers

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: apply_filters( "hook_name", "what_to_filter" ).

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
1503
1504      /**
1505       * Filter the comment notification email headers.
1506       *
1507       * @since 1.5.2
1508       *
1509       * @param string $message_headers Headers for the comment notification email.
1510       * @param int    $comment_id      Comment ID.
1511       */
1512      $message_headers = apply_filters( 'comment_notification_headers', $message_headers, $comment->comment_ID );
1513
1514      foreach ( $emails as $email ) {
1515           @wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers );
1516      }
1517
1518      return true;
1519 }
1520 endif;
1521