public function setDateBack( $backdate )
	{
		if ( $backdate === $this->getDateBack() ) { return; }

		$this->_checkDateFormat($backdate);

		if ( $backdate !== null ) {
			$backdate = (string) $backdate;
		}

		$this->_values['backdate'] = $backdate;
		$this->setModified();
	}
public function setDateBack( $backdate )
	{
		if ( $backdate === $this->getDateBack() ) { return; }

		$this->_checkDateFormat($backdate);

		if ( $backdate !== null ) {
			$backdate = (string) $backdate;
		}

		$this->_values['backdate'] = $backdate;
		$this->setModified();
	}
public function setDateBack ( $ backdate ) { if ( $ backdate === $ this -> getDateBack ( ) ) { return ; } $ this -> _checkDateFormat ( $ backdate ) ; if ( $ backdate !== null ) { $ backdate = ( string ) $ backdate ; } $ this -> _values [ 'backdate' ] = $ backdate ; $ this -> setModified ( ) ; }
Sets the product back in stock date.

@param string|null $backdate New back in stock date of the product
Sets the product back in stock date .