code: public function content($decodeJson = false)
  	{
  		return $decodeJson && preg_match("~^application/json.*~", $this->lastResultType) && $this->lastResult ?
  		from_json($this->lastResult) :
  		$this->lastResult;
  	}
docs: Get curl response body
  
  @param bool $decodeJson if true and return type is json, decode content
  
  @return null|bool|string