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Source View: akismet_delete_commentmeta_interval

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Line Code
561           }
562
563           if ( apply_filters( 'akismet_optimize_table', ( mt_rand(1, 5000) == 11), $wpdb->comments ) ) // lucky number
564                $wpdb->query("OPTIMIZE TABLE {$wpdb->comments}");
565      }
566
567      public static function delete_old_comments_meta() {
568           global $wpdb;
569
570           $interval = apply_filters( 'akismet_delete_commentmeta_interval', 15 );
571
572           # enforce a minimum of 1 day
573           $interval = absint( $interval );
574           if ( $interval < 1 )
575                $interval = 1;
576
577           // akismet_as_submitted meta values are large, so expire them
578           // after $interval days regardless of the comment status
579           while ( $comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT m.comment_id FROM {$wpdb->commentmeta} as m INNER JOIN {$wpdb->comments} as c USING(comment_id) WHERE m.meta_key = 'akismet_as_submitted' AND DATE_SUB(NOW(), INTERVAL %d DAY) > c.comment_date_gmt LIMIT 10000", $interval ) ) ) {