src/Listify.php
protected function getBottomPositionValue($exclude = null)
    {
        $item = $this->getBottomItem($exclude);

        if ( ! $item) return null;

        return $item->getListifyPosition();
    }
protected function getBottomPositionValue($exclude = null)
    {
        $item = $this->getBottomItem($exclude);

        if ( ! $item) return null;

        return $item->getListifyPosition();
    }
protected function getBottomPositionValue ( $ exclude = null ) { $ item = $ this -> getBottomItem ( $ exclude ) ; if ( ! $ item ) return null ; return $ item -> getListifyPosition ( ) ; }
Returns the value of the bottom position.

@param null|Model|Listify $exclude   a model whose value to exclude in determining the position
@return integer|null
Returns the value of the bottom position .