1--TEST-- 2Traits are flattened recursively. 3--FILE-- 4<?php 5error_reporting(E_ALL); 6 7trait Hello { 8 public function sayHello() { 9 echo 'Hello '; 10 } 11} 12 13trait World { 14 public function sayWorld() { 15 echo 'World!'; 16 } 17} 18 19trait HelloWorld { 20 use Hello, World; 21} 22 23class MyHelloWorld { 24 use HelloWorld; 25} 26 27$o = new MyHelloWorld(); 28$o->sayHello(); 29$o->sayWorld(); 30?> 31--EXPECT-- 32Hello World! 33