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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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136 |
|
137 | /** |
138 | * Perform other actions when comment cookies are set. |
139 | * |
140 | * @since 3.4.0 |
141 | * |
142 | * @param object $comment Comment object. |
143 | * @param WP_User $user User object. The user may not exist. |
144 | */ |
145 | do_action( 'set_comment_cookies', $comment, $user ); |
146 |
|
147 | $location = empty($_POST['redirect_to']) ? get_comment_link($comment_id) : $_POST['redirect_to'] . '#comment-' . $comment_id; |
148 |
|
149 | /** |
150 | * Filter the location URI to send the commenter after posting. |
151 | * |
152 | * @since 2.0.5 |
153 | * |
154 | * @param string $location The 'redirect_to' URI sent via $_POST. |