PHP5isveryveryflexibleinaccessingmembervariablesandmemberfunctions.Theseaccessmethodsmaybelookunusualandunnecessaryatfirstglance;buttheyareveryusefulsometimes;speciallywhenyouworkwithSimpleXMLclassesandobjects.IhavepostedasimilarcommentinSimpleXMLfunctionreferencesection,butthisoneismorecomprehensive.Iusethefollowingclassasreferenceforallexamples:<?phpclassFoo{public;public;funct...