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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();
?>
--EXPECTF--
Hello World!
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