PHPCheckstyle Code

<?php
/**
 * This file is an exemple of PHP fiel with all variables used.
 * Test a false positive.
 */
class Used {

	/**
	 * TOTO
	 * @var Integer
	 */
	var $toto = null;

	/**
	 * @return String
	 */
	function testUnused() {

		$a = 2;
		$result = $a + $this->toto;

		return $result;

	}

}