Test/EVSE/GPL/php-7.3.28/Zend/tests/lsb_017.phpt

--TEST--
ZE2 Late Static Binding nested calls
--FILE--
<?php
class A {
	public static function test($x=null) {
		if (!is_null($x)) {
			echo "$x\n";
		}
		return get_called_class();
	}
}

class B extends A {
}
class C extends A {
}
class D extends A {
}

echo A::test(B::test(C::test(D::test())))."\n";
?>
==DONE==
--EXPECT--
D
C
B
A
==DONE==