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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 |
|---|---|
| 1527 | |
| 1528 | /** |
| 1529 | * Fires immediately after a comment is inserted into the database. |
| 1530 | * |
| 1531 | * @since 2.8.0 |
| 1532 | * |
| 1533 | * @param int $id The comment ID. |
| 1534 | * @param WP_Comment $comment Comment object. |
| 1535 | */ |
| 1536 | do_action( 'wp_insert_comment', $id, $comment ); |
| 1537 | |
| 1538 | wp_cache_set( 'last_changed', microtime(), 'comment' ); |
| 1539 | |
| 1540 | return $id; |
| 1541 | } |
| 1542 | |
| 1543 | /** |
| 1544 | * Filters and sanitizes comment data. |
| 1545 | * |