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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 |
|---|---|
| 391 | return; |
| 392 | |
| 393 | $comma_comment_ids = implode( ', ', array_map('intval', $comment_ids) ); |
| 394 | |
| 395 | do_action( 'delete_comment', $comment_ids ); |
| 396 | $wpdb->query("DELETE FROM $wpdb->comments WHERE comment_id IN ( $comma_comment_ids )"); |
| 397 | $wpdb->query("DELETE FROM $wpdb->commentmeta WHERE comment_id IN ( $comma_comment_ids )"); |
| 398 | clean_comment_cache( $comment_ids ); |
| 399 | $n = mt_rand(1, 5000); |
| 400 | if ( apply_filters('akismet_optimize_table', ($n == 11)) ) // lucky number |
| 401 | $wpdb->query("OPTIMIZE TABLE $wpdb->comments"); |
| 402 | |
| 403 | } |
| 404 | |
| 405 | add_action('akismet_scheduled_delete', 'akismet_delete_old'); |
| 406 | |
| 407 | function akismet_check_db_comment( $id, $recheck_reason = 'recheck_queue' ) { |
| 408 | global $wpdb, $akismet_api_host, $akismet_api_port; |
| 409 | |