public function first($value, $label = null)
	{
		$this->firstValue = array(
			'label' => $label === null ? $value : $label,
			'value' => $label === null ? '' : $value
		);

		return $this;
	}
public function first($value, $label = null)
	{
		$this->firstValue = array(
			'label' => $label === null ? $value : $label,
			'value' => $label === null ? '' : $value
		);

		return $this;
	}
public function first ( $ value , $ label = null ) { $ this -> firstValue = array ( 'label' => $ label === null ? $ value : $ label , 'value' => $ label === null ? '' : $ value ) ; return $ this ; }
Set first option
If label is not passed, value will equal to '', and label set be using value
@param string $value
@param string $label (optional)
@return $this
Set first option If label is not passed value will equal to and label set be using value