1--TEST-- 2Ensure that extending of undefined class throws the exception 3--FILE-- 4<?php 5 6try { 7 class A extends B {} 8} catch (Error $e) { 9 var_dump(class_exists('A')); 10 var_dump(class_exists('B')); 11 throw $e; 12} 13 14?> 15--EXPECTF-- 16bool(false) 17bool(false) 18 19Fatal error: Uncaught Error: Class "B" not found in %s:%d 20Stack trace: 21#0 {main} 22 thrown in %s on line %d 23