This PHP tutorial book is a collection of notes and sample codes written by the author while he was learning PHP himself. It can be used as a tutorial guide for beginners or a reference book for experienced developers. Topics include PHP script file syntax; data types and iterals; variables, operations and expressions; flow control statements: ”if” and ”switch”; loop statements: ”while”, ”for”, and ”do … while”; function declaration, arguments, and return values; array and ordered maps; sending out emails; integrating with HTTP Web servers; accessing HTTP requests and responses; managing sessions and cookies; controlling HTTP response headers; accessing My SQL database server; accessing files and directories; using SOAP extension; managing non-ASCII characters; using classes and objects.