private function _intmath($val)
{
if (is_null($val)) {
return $val;
} elseif ('' . $val === '') {
return 0;
} elseif (is_numeric('' . $val)) {
return intVal('' . $val);
} elseif ($val instanceof Date) {
return intVal($val->format('U'));
}
require_once PATH_SYSTEM . '/vendors/EvalMath.php';
return EvalMath::getInstance()->e($val);
}
/**
* Returns the result of the formula passed in parameter 'formula'
*
* Expected Params:
* formula string A mathematical formula to calculate
*
* @return numeric result
*/
public function calc()
{
require_once PATH_SYSTEM . '/vendors/EvalMath.php';
return EvalMath::getInstance()->e($this->getParameter('formula'));
}
