/**
* Push a new entry onto the stack
*
* @param mixed $type
* @param mixed $value
* @param mixed $reference
*/
public function push($type, $value, $reference = null)
{
$this->stack[$this->count++] = array('type' => $type, 'value' => $value, 'reference' => $reference);
if ($type == 'Function') {
$localeFunction = PHPExcel_Calculation::localeFunc($value);
if ($localeFunction != $value) {
$this->stack[$this->count - 1]['localeValue'] = $localeFunction;
}
}
}
