With the Google Custom Search PHP SDK by Google, developers can interact the API to access search and customization features. It contains authentication with Api Key and authorization with OAuth 2.0. Examples demonstrate how to build the client object, build the service object, call an API, and handle the result.
Those worried about the longevity of their tweets have another reason to relax. The Social Archive, which also stores status messages for many StatusNet-powered sites, is entering the Twitter search game. It joins Topsy, Tweet Scan and Twitter's own search engine, which received a recent upgrade.