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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 |
|---|---|
| 167 | do_action( 'add_meta_boxes', 'comment', $comment ); |
| 168 | |
| 169 | /** |
| 170 | * Fires when comment-specific meta boxes are added. |
| 171 | * |
| 172 | * @since 3.0.0 |
| 173 | * |
| 174 | * @param object $comment Comment object. |
| 175 | */ |
| 176 | do_action( 'add_meta_boxes_comment', $comment ); |
| 177 | |
| 178 | do_meta_boxes(null, 'normal', $comment); |
| 179 | |
| 180 | $referer = wp_get_referer(); |
| 181 | ?> |
| 182 | </div> |
| 183 | |
| 184 | <input type="hidden" name="c" value="<?php echo esc_attr($comment->comment_ID) ?>" /> |
| 185 | <input type="hidden" name="p" value="<?php echo esc_attr($comment->comment_post_ID) ?>" /> |