1--TEST-- 2The same name constant of a trait used in a class that inherits a constant defined in a parent can be defined only if they are compatible. 3--FILE-- 4<?php 5 6trait TestTrait1 { 7 public final const Constant = 123; 8} 9 10class BaseClass1 { 11 public final const Constant = 123; 12} 13 14class DerivedClass1 extends BaseClass1 { 15 use TestTrait1; 16} 17 18trait TestTrait2 { 19 public final const Constant = 123; 20} 21 22class BaseClass2 { 23 public final const Constant = 456; 24} 25 26class DerivedClass2 extends BaseClass2 { 27 use TestTrait2; 28} 29 30?> 31--EXPECTF-- 32Fatal error: BaseClass2 and TestTrait2 define the same constant (Constant) in the composition of DerivedClass2. However, the definition differs and is considered incompatible. Class was composed in %s on line %d 33
