register_action( 'wp_smush_post_cache_flush_required', array( $this, 'clear_post_lcp_changes' ) ); } public function should_run() { return parent::should_run() && function_exists( 'wpfc_clear_post_cache_by_id' ); } public function clear_post_lcp_changes( $post_id ) { if ( function_exists( 'wpfc_clear_post_cache_by_id' ) ) { wpfc_clear_post_cache_by_id( $post_id ); } } }