1--TEST-- 2GH-11488: "Optional parameter before required" warning for union nullable type 3--FILE-- 4<?php 5function a( 6 string|null $a = null, 7 $b, 8) {} 9function b( 10 Foo&Bar $c = null, 11 $d, 12) {} 13function c( 14 (Foo&Bar)|null $e = null, 15 $f, 16) {} 17?> 18--EXPECTF-- 19Deprecated: a(): Optional parameter $a declared before required parameter $b is implicitly treated as a required parameter in %s on line %d 20 21Deprecated: b(): Implicitly marking parameter $c as nullable is deprecated, the explicit nullable type must be used instead in %s on line %d 22 23Deprecated: c(): Optional parameter $e declared before required parameter $f is implicitly treated as a required parameter in %s on line %d 24
