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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 |
|---|---|
| 1891 | |
| 1892 | /** |
| 1893 | * Filters whether to send the site moderator email notifications, overriding the site setting. |
| 1894 | * |
| 1895 | * @since 4.4.0 |
| 1896 | * |
| 1897 | * @param bool $maybe_notify Whether to notify blog moderator. |
| 1898 | * @param int $comment_id The ID of the comment for the notification. |
| 1899 | */ |
| 1900 | $maybe_notify = apply_filters( 'notify_moderator', $maybe_notify, $comment_id ); |
| 1901 | |
| 1902 | if ( ! $maybe_notify ) { |
| 1903 | return true; |
| 1904 | } |
| 1905 | |
| 1906 | $comment = get_comment( $comment_id ); |
| 1907 | $post = get_post( $comment->comment_post_ID ); |
| 1908 | $user = get_userdata( $post->post_author ); |
| 1909 | // Send to the administration and to the post author if the author can modify the comment. |