php-8.0.30-src/Zend/tests/traits/interface_001.phpt

--TEST--
Using traits to implement interface
--FILE--
<?php

trait foo {
    public function abc() {
    }
}

interface baz {
    public function abc();
}

class bar implements baz {
    use foo;

}

new bar;
print "OK\n";

?>
--EXPECT--
OK