<?php// Declare an autoload function and register it using SPLfunction __autoload($classname) {    @require_once "class-{$classname}.php";}// Now create another one.function another_class_autoload($classname) {    @require_once "obj-{$classname}.php";}// Check  __autoload() has been declared before registering our functionif (function_exists('__autoload')) {    spl_autoload_register('__autoload');}// Now register our own function.spl_autoload_register('another_class_autoload');// Instantiate an object of class 'cd'.  //   This will make it try to load the file: class-cd.php or obj-cd.php$mydisk = new cd();?>