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Source View: akismet_delete_commentmeta_interval

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Line Code
351           }
352
353           if ( apply_filters( 'akismet_optimize_table', ( mt_rand(1, 5000) == 11), $wpdb->comments ) ) // lucky number
354                $wpdb->query("OPTIMIZE TABLE {$wpdb->comments}");
355      }
356
357      public static function delete_old_comments_meta() {
358           global $wpdb;
359
360           $interval = apply_filters( 'akismet_delete_commentmeta_interval', 15 );
361
362           # enfore a minimum of 1 day
363           $interval = absint( $interval );
364           if ( $interval < 1 )
365                $interval = 1;
366
367           // akismet_as_submitted meta values are large, so expire them
368           // after $interval days regardless of the comment status
369           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 ) ) ) {