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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 |
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31 |
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32 | /** |
33 | * Perform other actions when comment cookies are set. |
34 | * |
35 | * @since 3.4.0 |
36 | * |
37 | * @param WP_Comment $comment Comment object. |
38 | * @param WP_User $user User object. The user may not exist. |
39 | */ |
40 | do_action( 'set_comment_cookies', $comment, $user ); |
41 |
|
42 | $location = empty( $_POST['redirect_to'] ) ? get_comment_link( $comment ) : $_POST['redirect_to'] . '#comment-' . $comment->comment_ID; |
43 |
|
44 | /** |
45 | * Filter the location URI to send the commenter after posting. |
46 | * |
47 | * @since 2.0.5 |
48 | * |
49 | * @param string $location The 'redirect_to' URI sent via $_POST. |