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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 |
|---|---|
| 351 | if ( $comment_approved == 1) |
| 352 | wp_update_comment_count($comment_post_ID); |
| 353 | |
| 354 | return $id; |
| 355 | } |
| 356 | |
| 357 | |
| 358 | function wp_filter_comment($commentdata) { |
| 359 | $commentdata['user_id'] = apply_filters('pre_user_id', $commentdata['user_ID']); |
| 360 | $commentdata['comment_agent'] = apply_filters('pre_comment_user_agent', $commentdata['comment_agent']); |
| 361 | $commentdata['comment_author'] = apply_filters('pre_comment_author_name', $commentdata['comment_author']); |
| 362 | $commentdata['comment_content'] = apply_filters('pre_comment_content', $commentdata['comment_content']); |
| 363 | $commentdata['comment_author_IP'] = apply_filters('pre_comment_user_ip', $commentdata['comment_author_IP']); |
| 364 | $commentdata['comment_author_url'] = apply_filters('pre_comment_author_url', $commentdata['comment_author_url']); |
| 365 | $commentdata['comment_author_email'] = apply_filters('pre_comment_author_email', $commentdata['comment_author_email']); |
| 366 | $commentdata['filtered'] = true; |
| 367 | return $commentdata; |
| 368 | } |
| 369 | |