php-src/Zend/tests/lsb_019.phpt

--TEST--
ZE2 Late Static Binding properties and methods declared as protected and overridden as public. 
--FILE--
<?php
class TestClass {
	protected static $staticVar;

	protected static function staticFunction() {
		return 'TestClassFunction';
	}
	
	public static function testStaticVar() {
		TestClass::$staticVar = 'TestClassStatic';
		ChildClass1::$staticVar = 'ChildClassStatic';
		return static::$staticVar;
	}

	public static function testStaticFunction() {
		return static::staticFunction();
	}
}

class ChildClass1 extends TestClass {
	public static $staticVar;

	public static function staticFunction() {
		return 'ChildClassFunction';
	}
}

class ChildClass2 extends TestClass {}

echo TestClass::testStaticVar() . "\n";
echo TestClass::testStaticFunction() . "\n";

echo ChildClass1::testStaticVar() . "\n";
echo ChildClass1::testStaticFunction() . "\n";

echo ChildClass2::testStaticVar() . "\n";
echo ChildClass2::testStaticFunction() . "\n";
?>
--EXPECTF--
TestClassStatic
TestClassFunction
ChildClassStatic
ChildClassFunction
TestClassStatic
TestClassFunction