TYPO3 is the enterprise-level content management system for the Web. It is large, feature-rich and very flexible a lot of this flexibility comes through extensions written by the community. Extensions make it possible to use TYPO3 to drive any type of website, including e-commerce, blogs, social networks, catalogs, and many more. TYPO3 can be completely customized using extensions; however creating an extension can be a challenging task. This book describes TYPO3 extension creation as it should be done. It starts from an overview of the TYPO3 API and provides recommendations on when and how...