PHP 5/MySQL Programming- P64:computer programming has often been seen as a difficult and arcane skill. Programming languages are difficult and complicated, out of the typical person’s reach. However, the advent of the World Wide Web has changed that to some extent. It’s reasonably easy to build and post a Web page for the entire world to see. The language of the Web is reasonably simple, and numerous applications are available to assist in the preparation of static pages | the foreach loop s associative variant described in chapter 5 Better Arrays and String Handling allows access to the document s name value pairs. Each time through the loop the current tag is stored in name and its associated value is stored in value. This allows me to rapidly print all the data in the XML element according to whatever format I wish. Manipulating More-Complex XML with the simpleXML API The features demonstrated in the XMLdemo are enough for working with the extremely simple XML variant used in the XCMS system but you will want to work with more-complex XML files with multiple tags. As an example consider the following code which could be used in an XML-enabled form of the quiz program featured in chapter 6 Working with Files. xml version encoding utf-8 test problem type mc question What is your name question answerA Roger the Shrubber answerA answerB Galahad the pure answerB answerC Arthur King of the Britons answerC answerD Brave Sir Robin answerD correct C correct problem problem type mc question What is your quest question answerA I seek the holy grail answerA answerB I m looking for a swallow answerB answerC I m pining for the Fjords answerC answerD I want to be a lumberjack answerD correct A correct problem problem type mc question What is your favorite color question answerA Red answerA answerB Green answerB answerC Orange answerC answerD Yellow. No Blue answerD correct D correct Chapter 8 XmL and Content Management Systems 294 PHP 5 MySQL Programming for the Absolute Beginner problem problem type mc question What is your command question answerA I m not to leave the room until you come and get him answerA answerB I m going with you answerB answerC I m not to let him enter the room answerC answerD It seems daft to be guarding a guard answerD correct A correct problem test This code is a little more typical of most XML data because it has multiple levels of encoding. The entire document can be seen as an array of problem nodes and each .
