public function offsetGet($offset) {
		return isset($this->fields[$offset]) ? $this->fields[$offset] : null;
	}
public function offsetGet($offset) {
		return isset($this->fields[$offset]) ? $this->fields[$offset] : null;
	}
public function offsetGet ( $ offset ) { return isset ( $ this -> fields [ $ offset ] ) ? $ this -> fields [ $ offset ] : null ; }
Array get implementation.
@param  string $offset
@return mixed
Array get implementation .