1--TEST-- 2Typed class constants (incompatible covariant composition; traits) 3--FILE-- 4<?php 5 6trait T { 7 public const ?array CONST1 = []; 8} 9 10class C { 11 use T; 12 13 public const array CONST1 = []; 14} 15 16?> 17--EXPECTF-- 18Fatal error: C and T define the same constant (CONST1) in the composition of C. However, the definition differs and is considered incompatible. Class was composed in %s on line %d 19