1--TEST-- 2Conflicting properties with different visibility modifiers should result in a fatal error, since this indicates that the code is incompatible. 3--FILE-- 4<?php 5error_reporting(E_ALL); 6 7trait THello1 { 8 public $hello; 9} 10 11trait THello2 { 12 private $hello; 13} 14 15echo "PRE-CLASS-GUARD\n"; 16 17class TraitsTest { 18 use THello1; 19 use THello2; 20} 21 22echo "POST-CLASS-GUARD\n"; 23 24$t = new TraitsTest; 25$t->hello = "foo"; 26?> 27--EXPECTF-- 28PRE-CLASS-GUARD 29 30Fatal error: THello1 and THello2 define the same property ($hello) in the composition of TraitsTest. However, the definition differs and is considered incompatible. Class was composed in %s on line %d 31