php-src/Zend/tests/traits/trait_constant_001.phpt

--TEST--
__TRAIT__: Basics, a constant denoiting the trait of definition.
--FILE--
<?php

trait TestTrait {
	public static function test() {
		return __TRAIT__;
	}
}

class Direct {
	use TestTrait;
}

class IndirectInheritance extends Direct {
  
}

trait TestTraitIndirect {
  use TestTrait;
}

class Indirect {
  use TestTraitIndirect;
}

echo Direct::test()."\n";
echo IndirectInheritance::test()."\n";
echo Indirect::test()."\n";

?>
--EXPECT--
TestTrait
TestTrait
TestTrait