<?php
    interface a
    {
        public function foo();
    }

    interface b
    {
        public function bar();
    }

    interface c extends a, b
    {
        public function baz();
    }

    /**
     *
     */
    class d implements c
    {
        public function fool()
        {
        }

        public function bar()
        {
        }

        public function baz()
        {
        }
    }
?>