1--TEST-- 2Conflicting constants in composing classes with different values should result in a fatal error, since this indicates that the code is incompatible. 3--FILE-- 4<?php 5 6trait TestTrait { 7 public const Constant = 123; 8} 9 10echo "PRE-CLASS-GUARD\n"; 11 12class ComposingClass { 13 use TestTrait; 14 public const Constant = 456; 15} 16 17echo "POST-CLASS-GUARD\n"; 18?> 19--EXPECTF-- 20PRE-CLASS-GUARD 21 22Fatal error: ComposingClass and TestTrait define the same constant (Constant) in the composition of ComposingClass. However, the definition differs and is considered incompatible. Class was composed in %s on line %d 23
