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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 |
|---|---|
| 2169 | $post_id = get_the_ID(); |
| 2170 | |
| 2171 | // Exit the function when comments for the post are closed. |
| 2172 | if ( ! comments_open( $post_id ) ) { |
| 2173 | /** |
| 2174 | * Fires after the comment form if comments are closed. |
| 2175 | * |
| 2176 | * @since 3.0.0 |
| 2177 | */ |
| 2178 | do_action( 'comment_form_comments_closed' ); |
| 2179 | |
| 2180 | return; |
| 2181 | } |
| 2182 | |
| 2183 | $commenter = wp_get_current_commenter(); |
| 2184 | $user = wp_get_current_user(); |
| 2185 | $user_identity = $user->exists() ? $user->display_name : ''; |
| 2186 | |
| 2187 | $args = wp_parse_args( $args ); |