1--TEST-- 2Semantic of alias operation is to provide an additional identifier for the method body of the original method. 3--FILE-- 4<?php 5error_reporting(E_ALL); 6 7trait THello { 8 public function a() { 9 echo 'A'; 10 } 11} 12 13class TraitsTest { 14 use THello { a as b; } 15} 16 17$test = new TraitsTest(); 18$test->a(); 19$test->b(); 20 21?> 22--EXPECT-- 23AA 24