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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 |
|---|---|
| 36 | |
| 37 | /** |
| 38 | * Perform other actions when comment cookies are set. |
| 39 | * |
| 40 | * @since 3.4.0 |
| 41 | * |
| 42 | * @param WP_Comment $comment Comment object. |
| 43 | * @param WP_User $user User object. The user may not exist. |
| 44 | */ |
| 45 | do_action( 'set_comment_cookies', $comment, $user ); |
| 46 | |
| 47 | $location = empty( $_POST['redirect_to'] ) ? get_comment_link( $comment ) : $_POST['redirect_to'] . '#comment-' . $comment->comment_ID; |
| 48 | |
| 49 | /** |
| 50 | * Filters the location URI to send the commenter after posting. |
| 51 | * |
| 52 | * @since 2.0.5 |
| 53 | * |
| 54 | * @param string $location The 'redirect_to' URI sent via $_POST. |