1--TEST-- 2Use multiple traits. 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 19class MyHelloWorld { 20 use Hello, World; 21 public function sayExclamationMark() { 22 echo '!'; 23 } 24} 25 26$o = new MyHelloWorld(); 27$o->sayHello(); 28$o->sayWorld(); 29$o->sayExclamationMark(); 30?> 31--EXPECT-- 32Hello World! 33