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
1506
1507      /**
1508       * Filter the comment notification email headers.
1509       *
1510       * @since 1.5.2
1511       *
1512       * @param string $message_headers Headers for the comment notification email.
1513       * @param int    $comment_id      Comment ID.
1514       */
1515      $message_headers = apply_filters( 'comment_notification_headers', $message_headers, $comment_id );
1516
1517      foreach ( $emails as $email ) {
1518           @wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers );
1519      }
1520
1521      return true;
1522 }
1523 endif;
1524