Edit File: wp-postratings.cls.php
<?php /** * The Third Party integration with the WP-PostRatings plugin. * * @since 1.1.1 */ namespace LiteSpeed\Thirdparty; defined( 'WPINC' ) || exit; class WP_PostRatings { /** * Detects if plugin is installed. * * @since 1.1.1 * @access public */ public static function detect() { if ( defined( 'WP_POSTRATINGS_VERSION' ) ) { add_action( 'rate_post', __CLASS__ . '::flush', 10, 3 ); } } /** * Purges the cache * * @since 1.1.1 * @access public */ public static function flush( $uid, $post_id, $post_ratings_score ) { do_action( 'litespeed_purge_post', $post_id ); } }