screen_name = $screen_name; } } } /** * Retrieve the stored Twitter screen name * * @since 1.0.0 * * @return string Twitter screen name or empty string if none set */ public function getScreenName() { return $this->screen_name ?: ''; } /** * Return the follow intent URL * * @since 1.0.0 * * @return string Follow intent URL or empty string if no valid screen name */ public function __toString() { return $this->getIntentURL(); } /** * Follow intent URL * * @since 1.0.0 * * @return string Follow intent URL or empty string if no valid screen name */ public function getIntentURL() { if (! $this->screen_name) { return ''; } return static::INTENT_URL . '?' . http_build_query(array( 'screen_name' => $this->screen_name ), '', '&', PHP_QUERY_RFC3986); } }