1--TEST-- 2Conflicting constants in a trait and another trait using it with different values should result in a fatal error, since this indicates that the code is incompatible. 3--FILE-- 4<?php 5 6trait Trait1 { 7 public const Constant = 123; 8} 9 10trait Trait2 { 11 use Trait1; 12 public const Constant = 456; 13} 14?> 15--EXPECTF-- 16Fatal error: Trait2 and Trait1 define the same constant (Constant) in the composition of Trait2. However, the definition differs and is considered incompatible. Class was composed in %s on line %d 17