woothemes / sensei

		$query = "SELECT comment_approved, COUNT( * ) AS total FROM {$wpdb->comments} WHERE comment_type = %s ";

        // Restrict to specific posts

		if ( isset( $args['post__in'] ) && !empty( $args['post__in'] ) && is_array( $args['post__in'] ) ) {

			$query .= ' AND comment_post_ID IN (' . implode( ',', array_map( 'absint', $args['post__in'] ) ) . ')';

		}

		elseif ( !empty( $args['post_id'] ) ) {

			$query .= $wpdb->prepare( ' AND comment_post_ID = %d', $args['post_id'] );

		}

		// Restrict to specific users

		if ( isset( $args['user_id'] ) && is_array( $args['user_id'] ) ) {

			$query .= ' AND user_id IN (' . implode( ',', array_map( 'absint', $args['user_id'] ) ) . ')';

			$query .= $wpdb->prepare( ' AND comment_post_ID = %d', $args['post_id'] );

		}

		// Restrict to specific users

		if ( isset( $args['user_id'] ) && is_array( $args['user_id'] ) ) {

			$query .= ' AND user_id IN (' . implode( ',', array_map( 'absint', $args['user_id'] ) ) . ')';

		}

		elseif ( !empty( $args['user_id'] ) ) {

			$query .= $wpdb->prepare( ' AND user_id = %d', $args['user_id'] );

		}

		$query .= ' GROUP BY comment_approved';

		$counts = wp_cache_get( $cache_key, 'counts' );