1--TEST-- 2ZE2 interfaces 3--FILE-- 4<?php 5 6interface ThrowableInterface { 7 public function getMessage(); 8} 9 10class Exception_foo implements ThrowableInterface { 11 public $foo = "foo"; 12 13 public function getMessage() { 14 return $this->foo; 15 } 16} 17 18$foo = new Exception_foo; 19echo $foo->getMessage() . "\n"; 20 21?> 22--EXPECT-- 23foo 24