... saying, “Hello, world” in no time.The basic method of PHP development is to build PHP code on top of web serversoftware like Apache or IIS. There is a “stack” of software that is generally used ... registered trademarks of O’Reilly Media, Inc. PHP: The Good Parts, the image of a Booted Racket-tail, and related trade dress aretrademarks of O’Reilly Media, Inc.Many of the designations used ... follows:define("name of constant", value of constant, [case insensitive])The case-sensitive parameter at the end of the definition is optional, and by default isfalse, meaning that the...