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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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140 |
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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. |