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Source View: akismet_delete_commentmeta_interval

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Line Code
295           }
296
297           if ( apply_filters( 'akismet_optimize_table', ( mt_rand(1, 5000) == 11), $wpdb->comments ) ) // lucky number
298                $wpdb->query("OPTIMIZE TABLE {$wpdb->comments}");
299      }
300
301      public static function delete_old_comments_meta() {
302           global $wpdb;
303
304           $interval = apply_filters( 'akismet_delete_commentmeta_interval', 15 );
305
306           # enfore a minimum of 1 day
307           $interval = absint( $interval );
308           if ( $interval < 1 )
309                $interval = 1;
310
311           // akismet_as_submitted meta values are large, so expire them
312           // after $interval days regardless of the comment status
313           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 ) ) ) {