src/ArrayHelpers.php
public function undot(array $dotNotationArray)
    {
        $array = [];
        foreach ($dotNotationArray as $key => $value) {
            $this->set($array, $key, $value);
        }

        return $array;
    }
public function undot(array $dotNotationArray)
    {
        $array = [];
        foreach ($dotNotationArray as $key => $value) {
            $this->set($array, $key, $value);
        }

        return $array;
    }
public function undot ( array $ dotNotationArray ) { $ array = [ ] ; foreach ( $ dotNotationArray as $ key => $ value ) { $ this -> set ( $ array , $ key , $ value ) ; } return $ array ; }
Expands a dot notation array into a full multi-dimensional array

@param array $dotNotationArray
@return array
Expands a dot notation array into a full multi - dimensional array