api_key = $api_key; parent::__construct( $this->base_url ); } /** * Prepares Header for Request * * @since 2.2 * @version 1.0 */ private function get_headers() { return array( 'Content-Type' => 'application/json', 'Accept' => 'application/json', ); } /** * Sends Email using PostMark email end point * * @param $api_key * @since 2.2 * @version 1.0 */ public function send( $content ) { $content = json_encode( $content ); return $this->request( 'POST', '/messages/send.json', $this->get_headers(), $content, $this->email_sent_code ); } }