1--TEST-- 2Inherited constant from interface 3--FILE-- 4<?php 5interface foo { 6 const foo = 'foobar'; 7 public function bar($x = foo); 8} 9 10class foobar implements foo { 11 const foo = 'bar'; 12 public function bar($x = foo::foo) { 13 var_dump($x); 14 } 15} 16?> 17--EXPECTF-- 18Fatal error: Cannot inherit previously-inherited or override constant foo from interface foo in %s on line %d 19