1--TEST-- 2ZE2 method inheritance without interfaces 3--FILE-- 4<?php 5 6class A 7{ 8 function f() {} 9} 10 11class B extends A 12{ 13 function f($x) {} 14} 15 16?> 17===DONE=== 18--EXPECTF-- 19Warning: Declaration of B::f($x) should be compatible with A::f() in %sinheritance_004.php on line %d 20===DONE=== 21