PHP Objects, Patterns, and Practice, Third Edition

CHAPTER 5 ■ OBJECT TOOLS

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Before you can invoke the execute() method of each Module, an instance has to be created. That’s

the purpose of method::ReflectionClass::newInstance(). That method accepts any number of

arguments, which it passes on to the relevant class’s constructor method. If all’s well, it returns an

instance of the class (for production code, be sure to code defensively: check that the constructor

method for each Module object doesn’t require arguments before creating an instance).

ReflectionClass::getMethods() returns an array of all ReflectionMethod objects available for the

class. For each element in the array, the code invokes the ModuleRunner::handleMethod() method; passes

it a Module instance, the ReflectionMethod object, ...