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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 |
|---|---|
| 264 | ) |
| 265 | return true; |
| 266 | } |
| 267 | return false; |
| 268 | } |
| 269 | |
| 270 | |
| 271 | function wp_delete_comment($comment_id) { |
| 272 | global $wpdb; |
| 273 | do_action('delete_comment', $comment_id); |
| 274 | |
| 275 | $comment = get_comment($comment_id); |
| 276 | |
| 277 | if ( ! $wpdb->query("DELETE FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1") ) |
| 278 | return false; |
| 279 | |
| 280 | $post_id = $comment->comment_post_ID; |
| 281 | if ( $post_id && $comment->comment_approved == 1 ) |
| 282 | wp_update_comment_count($post_id); |