PHP之Trait功能与用途实例剖析

2.修改拜访操纵

<?php
trait Test {
 public function say() {
  echo 'say hello';
 }
}
 
class People {
 use Test { say as protected; }
}
 
$people = new People();
 
$people->say();

运转结果：

Fatal error: Call to protected method People::say() from context '' in D:\phpdemo\trait_Demo.php on line 14

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