public function nested()
    {
        if ($this->nestedCache === null) {
            $this->nestedCache = static::toNested($this->array, $this->separator);
        }

        return $this->nestedCache;
    }
public function nested()
    {
        if ($this->nestedCache === null) {
            $this->nestedCache = static::toNested($this->array, $this->separator);
        }

        return $this->nestedCache;
    }
public function nested ( ) { if ( $ this -> nestedCache === null ) { $ this -> nestedCache = static :: toNested ( $ this -> array , $ this -> separator ) ; } return $ this -> nestedCache ; }
Returns the complete nested version of the source array.

@return array
Returns the complete nested version of the source array .