1--TEST-- 2Bug #55719 (Argument restriction should come with a more specific error message) 3--FILE-- 4<?php 5class Sub implements ArrayAccess { 6 public function offsetSet(): void { 7 } 8} 9?> 10--EXPECTF-- 11Fatal error: Declaration of Sub::offsetSet(): void must be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void in %sargument_restriction_005.php on line %d 12