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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )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.
| Line | Code |
|---|---|
| 1544 | * By default, comment authors aren't notified of their comments on their own |
| 1545 | * posts. This filter allows you to override that. |
| 1546 | * |
| 1547 | * @since 3.8.0 |
| 1548 | * |
| 1549 | * @param bool $notify Whether to notify the post author of their own comment. |
| 1550 | * Default false. |
| 1551 | * @param int $comment_id The comment ID. |
| 1552 | */ |
| 1553 | $notify_author = apply_filters( 'comment_notification_notify_author', false, $comment->comment_ID ); |
| 1554 | |
| 1555 | // The comment was left by the author. |
| 1556 | if ( $author && ! $notify_author && $comment->user_id == $post->post_author ) { |
| 1557 | unset( $emails[ $author->user_email ] ); |
| 1558 | } |
| 1559 | |
| 1560 | // The author moderated a comment on their own post. |
| 1561 | if ( $author && ! $notify_author && get_current_user_id() == $post->post_author ) { |
| 1562 | unset( $emails[ $author->user_email ] ); |