public function post($path = null, $data = [], array $options = []) {
		return $this->send(__FUNCTION__, $path, $data, $options);
	}
public function post($path = null, $data = [], array $options = []) {
		return $this->send(__FUNCTION__, $path, $data, $options);
	}
public function post ( $ path = null , $ data = [ ] , array $ options = [ ] ) { return $ this -> send ( __FUNCTION__ , $ path , $ data , $ options ) ; }
Send POST request.

@param string $path
@param array $data
@param array $options
@return string
Send POST request .