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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 |
---|---|
2397 |
|
2398 | /** |
2399 | * Fires immediately after a comment is inserted into the database. |
2400 | * |
2401 | * @since 1.2.0 |
2402 | * |
2403 | * @param int $comment_ID The comment ID. |
2404 | * @param int $comment_approved 1 (true) if the comment is approved, 0 (false) if not. |
2405 | */ |
2406 | do_action( 'comment_post', $comment_ID, $commentdata['comment_approved'] ); |
2407 |
|
2408 | if ( 'spam' !== $commentdata['comment_approved'] ) { // If it's spam save it silently for later crunching |
2409 | if ( '0' == $commentdata['comment_approved'] ) { |
2410 | wp_notify_moderator( $comment_ID ); |
2411 | } |
2412 |
|
2413 | // wp_notify_postauthor() checks if notifying the author of their own comment. |
2414 | // By default, it won't, but filters can override this. |
2415 | if ( get_option( 'comments_notify' ) && $commentdata['comment_approved'] ) { |