TYPO3 FLOW increase integer viewhelper

FLOW increase integer VH

<?php
namespace Vendor\Package\ViewHelpers\Numbers;

/*                                                                        *
 * This script belongs to the TYPO3 Flow package "Vendor.Package".        *
 *                                                                        *
 *                                                                        */

use TYPO3\Flow\Annotations as Flow;
 
/**
 * This ViewHelper increases an integer value by a set amount.
 */
class IntegerIncreaseViewHelper extends \TYPO3\Fluid\Core\ViewHelper\AbstractViewHelper {
	
	/**
	 * Returns the increased number.
	 *
	 * @param integer $integer The integer to change.
	 * @param integer $by The amount to increase the integer by.
	 * @return integer The increased integer.
	 */
	public function render($integer, $by = 1) {
		$integer	= intval($integer);
		$by		= intval($by);
		
		return $integer + $by;
	}
}
?>