public static function php_handler() {
		if ( ! isset( $_REQUEST['pum_dismiss_alert'] ) ) {
			return;
		}

		if ( ! wp_verify_nonce( $_REQUEST['nonce'], 'pum_alerts_action' ) ) {
			return;
		}

		$args = wp_parse_args( $_REQUEST, array(
			'code'              => '',
			'expires'           => '',
			'pum_dismiss_alert' => '',
		));

		self::action_handler( $args['code'], $args['pum_dismiss_alert'], $args['expires'] );
	}