1--TEST-- 2Classes can only be used once they are fully linked 3--FILE-- 4<?php 5 6spl_autoload_register(function($class) { 7 echo new ReflectionClass(A::class), "\n"; 8}); 9 10class A implements I { 11} 12 13?> 14--EXPECTF-- 15Fatal error: Uncaught ReflectionException: Class "A" does not exist in %s:%d 16Stack trace: 17#0 %s(%d): ReflectionClass->__construct('A') 18#1 %s(%d): {closure}('I') 19#2 {main} 20 thrown in %s on line %d 21