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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 |
|---|---|
| 140 | |
| 141 | /** |
| 142 | * Perform other actions when comment cookies are set. |
| 143 | * |
| 144 | * @since 3.4.0 |
| 145 | * |
| 146 | * @param object $comment Comment object. |
| 147 | * @param WP_User $user User object. The user may not exist. |
| 148 | */ |
| 149 | do_action( 'set_comment_cookies', $comment, $user ); |
| 150 | |
| 151 | $location = empty($_POST['redirect_to']) ? get_comment_link($comment_id) : $_POST['redirect_to'] . '#comment-' . $comment_id; |
| 152 | |
| 153 | /** |
| 154 | * Filter the location URI to send the commenter after posting. |
| 155 | * |
| 156 | * @since 2.0.5 |
| 157 | * |
| 158 | * @param string $location The 'redirect_to' URI sent via $_POST. |