Trait method overrides base class method and satisfies prototype
--FILE--
<?php
error_reporting(E_ALL);
abstract class Base
{
public abstract function sayHello(array $a);
}
class SubClass extends Base
{
public function sayHello(array $a)
{
echo "World!\n";
}
}
$s = new SubClass();
$s->sayHello(array());
trait SayWorld
{
public function sayHello(Base $d)
{
echo 'World!';
}
}
class MyHelloWorld extends Base
{
use SayWorld;
}
$o = new MyHelloWorld();
$o->sayHello(array());
?>
<?php
abstract class BaseClass
{
public static function __callStatic($name, $arguments)
{
echo "Calling static method '{$name}' " . implode(', ', $arguments) . "\n";
}
}
class SubClass extends BaseClass
{
}
SubClass::foo();
// 親クラスとなるSuperClassを定義する
class SuperClass
{
public $a = '親クラスのプロパティ A';
public $b = '親クラスのプロパティ B';
public function show()
{
return '親クラスのメソッド: ' . $this - a . ' と ' . $this->b;
}
}
// SuperClassを継承し、SubClassを定義する。これはSuperClassの子クラス
class SubClass extends SuperClass
{
public $a = '子クラスのプロパティ A';
public function show()
{
return '子クラスのメソッド: ' . $this->a . ' と ' . $this - b;
}
}
function h($string)
{
return htmlspecialChars($string, ENT_QUOTES, 'UTF-8');
}
$obj = new SubClass();
echo h($obj->show());
?>
</div>
</body>
</html>
<?php
error_reporting(-1);
ini_set('display_errors', 'On');
require_once '../../lib/ClassLoader.php';
AClass::aFunction();
echo '<br />';
SubClass::SubFunction();
<?php
/*
* Signature mismatch during inheritance has been reclassified
* as an E_WARNING error in PHP 7. A similar mismatch with an
* interface or abstract method triggers a fatal error.
*/
class Base
{
public function greet()
{
echo 'Hello, world!';
}
}
class SubClass extends Base
{
public function greet($input)
{
echo "Hello, {$input}!";
}
}
$object = new SubClass();
$object->greet('David');
<?php
class SubClass extends BaseClass
{
}
abstract class BaseClass
{
public function __call($name, $arguments)
{
return $this->{$name}();
}
private function foobar()
{
return 'okey';
}
}
$test = new SubClass();
echo $test->foobar();
/**
* @requires PHP 7.0
* @expectedException \Error
* @expectedExceptionMessageRegExp /Call to private method.+from context/
*/
public function testCallParentPrivateMethodFromSubClass()
{
$this->expectOutputRegex('/Call to private method.+from context/');
$obj = new SubClass();
$obj->callParentPrivateMethod();
}
