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- --TEST--
- Express requirements of a trait by abstract methods.
- --FILE--
- <?php
- error_reporting(E_ALL);
- trait Hello {
- public function sayHelloWorld() {
- echo 'Hello'.$this->getWorld();
- }
- abstract public function getWorld();
- }
- class MyHelloWorld {
- private $world;
- use Hello;
- public function getWorld() {
- return $this->world;
- }
- public function setWorld($val) {
- $this->world = $val;
- }
- }
- $o = new MyHelloWorld();
- $o->setWorld(' World!');
- $o->sayHelloWorld();
- ?>
- --EXPECT--
- Hello World!
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